7、c++版，在大学学的编程基础知识
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1、各种排序
#include<iostream>using namespace std;//-------直接插入排序void InsertSort(ElemType A[],int n){ ElemType x; int i,j; for(i=1;i<n;i++) { x=A[i]; for(j=i-1;j>=0;j--) if(x.stn<A[j].stn) A[j+1]=A[j]; else break; A[j+1]=x; }}//----------------------//-------希尔排序-----void ShellSort(ElemType A[],int n){ ElemType x; int i,j,d; for(d=n/2;d>=1;d/=2) { for(i=d;i<n;i++) { x=A[i]; for(j=i-d;j>=0;j-=d) { if(x.stn<A[j].stn) A[j+d]=A[j]; else break; } A[j+d]=x; } }}///-----直接选择排序--void SelectSort(ElemType A[],int n){ ElemType x; int i,j,k; for(i=1;i<=n-1;i++) { k=i-1; for(j=i;j<=n-1;j++) { if(A[j].stn<A[k].stn) k=j; } if(k!=i-1) { x=A[i-1];A[i-1]=A[k];A[k]=x; } }}//---------冒泡排序----------void BubbleSort(ElemType A[],int n){ ElemType x; int i,j,flag; for(i=1;i<=n-1;i++) { flag=0; for(j=n-1;j>=i;j--) if(A[j].stn<A[j-1].stn) { x=A[j-1];A[j-1]=A[j];A[j]=x; flag=1; } if(flag==0) return; }}int main(){ return 0; }
2、邻接矩阵，外加克鲁斯卡尔，弗洛伊德，普里姆等算法，进行图的遍历，和最小生成树的处理
#include<iostream.h>#include<stdlib.h>#include<strstrea.h>typedef int VertexType;typedef int WeightType;const int MaxEdgeNum=10;const int MaxVertexNum=10;const WeightType MaxValue=1000;typedef VertexType vexlist[MaxVertexNum];typedef int adjmatrix[MaxVertexNum][MaxVertexNum];struct edgenode{ int adjvex; WeightType weight; edgenode*next;};typedef edgenode*adjlist[MaxVertexNum];struct edge{ int fromvex; int endvex; WeightType weight;};typedef edge edgeset[MaxEdgeNum];//#include"4_01栈的顺序存储.cpp"void PATH(edgenode*path[],int m,int j){ edgenode *p,*q,*s; p=path[j]; while(p!=NULL) { path[j]=p->next; delete p; p=path[j]; } p=path[m]; while(p!=NULL) { q=new edgenode; q->adjvex=p->adjvex; if(path[j]==NULL) path[j]=q; else s->next=q; s=q; p=p->next; } q=new edgenode; q->adjvex=j; q->next=NULL; s->next=q;}void Dijkstra(adjmatrix GA, int dist[],edgenode* path[], int i, int n){ int j,k,w,m; bool* s=new bool[n]; //分别给s,dist和path数组赋初值 for(j=0; j<n; j++) { if(j==i) s[j]=true; else s[j]=false; dist[j]=GA[i][j]; if(dist[j]<MaxValue && j!=i) { edgenode* p1=new edgenode; edgenode* p2=new edgenode; p1->adjvex=i; p2->adjvex=j; p2->next=NULL; p1->next=p2; path[j]=p1; } else path[j]=NULL; } for(k=1; k<=n-2; k++) { //求出第k个终点m w=MaxValue; m=i; for(j=0; j<n; j++) if(s[j]==false && dist[j]<w) { w=dist[j]; m=j; } if(m!=i) s[m]=true; else break; for(j=0; j<n; j++) if(s[j]==false && dist[m]+GA[m][j]<dist[j]) { dist[j]=dist[m]+GA[m][j]; PATH(path, m, j); } }}void Floyed(adjmatrix GA,adjmatrix A,int n){ int i,j,k; for(i=0;i<n;i++) for(j=0;j<n;j++) A[i][j]=GA[i][j]; for(k=0;k<n;k++) for(i=0;i<n;i++) for(j=0;j<n;j++){ if(i==k || j==k || i==j) continue; if( A[i][k]+A[k][j]<A[i][j]) A[i][j]=A[i][k]+A[k][j]; }}void Prim(adjmatrix GA,edgeset CT,int n){ int i,j,k,min,t,m,w; for(i=0;i<n-1;i++) { CT[i].fromvex=0; CT[i].endvex=i+1; CT[i].weight=GA[0][i+1]; } for(k=1;k<n;k++) { min=MaxValue; m=k-1; for(j=k-1;j<n-1;j++) if(CT[j].weight<min) { min=CT[j].weight; m=j; } edge temp=CT[k-1]; CT[k-1]=CT[m]; CT[m]=temp; j=CT[k-1].endvex; for(i=k;i<n-1;i++) { t=CT[i].endvex; w=GA[j][t]; if(w<CT[i].weight) { CT[i].weight=w; CT[i].fromvex=j; } } }}void Kruskal(edgeset GE,edgeset CT,int n){ int i,j; bool**s=new bool*[n]; for(i=0;i<n;i++) s[i]=new bool[n]; for(i=0;i<n;i++) { for(j=0;j<n;j++) if(i==j) s[i][j]=true; else s[i][j]=false; } int k=1; int d=0; int m1,m2; while(k<n) { for(i=0;i<n;i++) { if(s[i][GE[d].fromvex]==true) m1=i; if(s[i][GE[d].endvex]==true) m2=i; } if(m1!=m2) { CT[k-1]=GE[d]; k++; for(j=0;j<n;j++) { s[m1][j]=s[m1][j]||s[m2][j]; s[m2][j]=false; } } d++; } for(i=0;i<n;i++) delete[]s[i]; delete[]s;}//边集数组void InitArray(edgeset GE){ for(int i=0;i<MaxEdgeNum;i++) { GE[i].fromvex=GE[i].endvex=-1; GE[i].weight=MaxValue; }}void CreateArray(edgeset GE,int n,char*s,int k){ istrstream sin(s); char c1,c2,c3; int i,j,c=0; WeightType w; sin>>c1; if(k==0){ do{ sin>>c1>>i>>c2>>j>>c3; GE[c].fromvex=i; GE[c].endvex=j; GE[c].weight=1; c++; sin>>c1; }while(c1==','); } else{ do{ sin>>c1>>i>>c2>>j>>c3>>w; GE[c].fromvex=i; GE[c].endvex=j; GE[c].weight=w; c++; sin>>c1; }while(c1==','); }}void Arry(edgeset GE,int i,int n,bool*visited){ int j=i,k=0; while(k!=n) { for(int t=0;GE[t].fromvex!=-1;t++) { if(GE[t].fromvex==j&&!visited[j]) { cout<<j<<" "; visited[j]=true; j=GE[t].endvex; k++; break; } } if(GE[t].fromvex==-1) { cout<<j<<" "; k++; } }}void Arry2(edgeset GE,int i,int n,bool*visited){ int j=i,k=1; int q[10]; int front=0,rear=0; cout<<j<<" "; while(k!=n) { for(int t=0;GE[t].fromvex!=-1;t++) { if(GE[t].fromvex=j&&!visited[j]) { cout<<GE[t].endvex<<" "; k++; q[rear]=GE[t].endvex; rear=(rear+1)%10; } else { visited[j]=true; j=q[front]; front=(front+1)%10; break; } } }}void InitAdjoin(adjlist GL){ for(int i=0;i<MaxVertexNum;i++) GL[i]=NULL;}void CreateAdjoin(adjlist GL,int n,char*s,int k1,int k2){ istrstream sin(s); char c1,c2,c3; int i,j; WeightType w; edgenode*p; sin>>c1; if(k2==0){ do{ sin>>c1>>i>>c2>>j>>c3; p=new edgenode; p->adjvex=j;p->weight=1; p->next=GL[i]; GL[i]=p; if(k1==0){ p=new edgenode; p->adjvex=i;p->weight=1; p->next=GL[j]; GL[j]=p; } sin>>c1; }while(c1==','); } else{ do{ sin>>c1>>i>>c2>>j>>c3>>w; p=new edgenode; p->adjvex=j;p->weight=w; p->next=GL[i]; GL[i]=p; if(k1==0) { p=new edgenode; p->adjvex=i;p->weight=w; p->next=GL[j]; GL[j]=p; } sin>>c1; }while(c1==','); }}void InitMatrix(adjmatrix GA,int k){ int i,j; for(i=0;i<MaxVertexNum;i++) for(j=0;j<MaxVertexNum;j++) if(i==j) GA[i][j]=0; else if(k) GA[i][j]=MaxValue; else GA[i][j]=0;}void CreateMatrix(adjmatrix GA,int n,char*s,int k1,int k2){ istrstream sin(s); char c1,c2,c3; int i,j; WeightType w; sin>>c1; if(k1==0&&k2==0) do{ sin>>c1>>i>>c2>>j>>c3; GA[i][j]=GA[j][i]=1; sin>>c1; if(c1==')')break; }while(1); else if(k1==0&&k2!=0) do{ sin>>c1>>i>>c2>>j>>c3>>w; GA[i][j]=GA[j][i]=w; sin>>c1; if(c1==')')break; }while(1); else if(k1!=0 && k2==0) do{ sin>>c1>>i>>c2>>j>>c3; GA[i][j]=1; sin>>c1; if(c1==')')break; }while(1); else if(k1!=0 && k2!=0) do{ sin>>c1>>i>>c2>>j>>c3>>w; GA[i][j]=w; sin>>c1; if(c1==')')break; }while(1);}void dfsMatrix(adjmatrix GA,int i,int n,bool*visited){ Stack M; InitStack(M); int j=i; visited[i]=true; cout<<j<<" "; Push(M,j); while(j!=n||M.top!=0) { if(j==n+1) { j=M.stack[M.top]; M.top--; } if(GA[M.stack[M.top]][j]!=0&&!visited[j]) { visited[j]=true; Push(M,j); cout<<j<<" "; j=0; } else j++; }}/*void dfsAdjoin(adjlist GL,int i,int n,bool*visited){ cout<<i<<" "; visited[i]=true; edgenode*p=GL[i]; while(p!=NULL) { int j=p->adjvex; if(!visited[j]) dfsAdjoin(GL,j,n,visited); p=p->next; }}*/void dfsAdjoin(adjlist GL,int i,int n,bool*visited){ Stack M; InitStack(M); cout<<i<<" "; Push(M,i); visited[i]=true; edgenode*p=GL[i]; while(p!=NULL||M.top!=0) { if(p==NULL) { M.top--; p=GL[M.stack[M.top]]; } int j=p->adjvex; if(!visited[j]) { visited[j]=true; cout<<j<<" "; Push(M,j); p=GL[M.stack[M.top]]; } else { p=p->next; } }} int main(){ int i,n,k1,k2; cout<<"输入待处理图的顶点数："; cin>>n; cout<<"输入图的有向和有无权选择（0为无，非0为有）："; cin>>k1>>k2; bool*visited=new bool[n]; adjmatrix ga; InitMatrix(ga,k2); cout<<"输入图的边集;"; char*a=new char[100]; cin>>a; CreateMatrix(ga,n,a,k1,k2); cout<<"按图的邻接矩阵得到的深度优先遍历序列:"<<endl; for(i=0;i<n;i++) visited[i]=false; dfsMatrix(ga,0,n,visited); cout<<endl; cout<<"按图的邻接表得到的深度优先遍历序列:"<<endl; adjlist ka; InitAdjoin(ka); CreateAdjoin(ka,n,a,k1,k2); for(i=0;i<n;i++) visited[i]=false; dfsAdjoin(ka,0,n,visited); cout<<endl; for(i=0;i<n;i++) visited[i]=false; edgeset ke; InitArray(ke); CreateArray(ke,n,a,0); //Arry(ke,0,n,visited); //cout<<endl; //for(i=0;i<n;i++) visited[i]=false; //Arry2(ke,0,n,visited); return 0;}
3、栈的顺序存储
//typedef int ElemType;/*struct Stack{ ElemType *stack; int top; int MaxSize;};*///1. 初始化栈S为空void InitStack(Stack& S){ //初始设置栈空间大小为10 S.MaxSize=100; //动态存储空间分配 S.stack=new ElemType[S.MaxSize]; if(!S.stack){ cout<<"动态存储分配失败！"<<endl; exit(1); } //初始置栈为空 S.top=-1;}//2. 元素item进栈，即插入到栈顶void Push(Stack& S, ElemType item){ //若栈空间用完则自动扩大2倍空间，原有栈内容不变 if(S.top==S.MaxSize-1) { int k=sizeof(ElemType); //计算每个元素存储空间的长度 S.stack=(ElemType*)realloc(S.stack, 2*S.MaxSize*k); S.MaxSize=2*S.MaxSize; //把栈空间大小修改为新的长度 } //栈顶指针后移一个位置 S.top++; //将新元素插入到栈顶 S.stack[S.top]=item;}//3. 删除栈顶元素并返回ElemType Pop(Stack& S){ //若栈空则退出运行 if(S.top==-1) { cout<<"栈空，退出运行!"<<endl; exit(1); } //栈顶指针减1表示退栈 S.top--; //返回原栈顶元素的值 return S.stack[S.top+1];}//4. 读取栈顶元素的值ElemType Peek(Stack& S){ //若栈空则退出运行 if(S.top==-1) { cout<<"Stack is empty!"<<endl; exit(1); } //返回栈顶元素的值 return S.stack[S.top];}//5. 判断栈是否为空bool EmptyStack(Stack& S){ return S.top==-1;}//6. 清除栈中的所有元素并释放动态存储空间void ClearStack(Stack& S){ if(S.stack) { delete []S.stack; S.stack=0; } S.top=-1; S.MaxSize=0;}
4、边集数组深度优先搜索
void Arry(edgeset GE,int i,int n,bool*visited){ int j=i,k=0; while(k!=n) { for(int t=0;GE[t].fromvex!=-1;t++) { if(GE[t].fromvex==j&&!visited[j]) { cout<<j<<" "; visited[j]=true; j=GE[t].endvex; k++; break; } } if(GE[t].fromvex==-1) { cout<<j<<" "; k++; } }}
5、非递归邻接表
void dfsAdjoin(adjlist GL,int i,int n,bool*visited){ Stack M; InitStack(M); cout<<i<<" "; Push(M,i); visited[i]=true; edgenode*p=GL[i]; while(p!=NULL||M.top!=0) { if(p==NULL) { M.top--; p=GL[M.stack[M.top]]; } int j=p->adjvex; if(!visited[j]) { visited[j]=true; cout<<j<<" "; Push(M,j); p=GL[M.stack[M.top]]; } else { p=p->next; } }}
6、非递归链接矩阵
void dfsMatrix(adjmatrix GA,int i,int n,bool*visited){ Stack M; InitStack(M); int j=i; visited[i]=true; cout<<j<<" "; Push(M,j); while(j!=n||M.top!=0) { if(j==n+1) { j=M.stack[M.top]; M.top--; } if(GA[M.stack[M.top]][j]!=0&&!visited[j]) { visited[j]=true; Push(M,j); cout<<j<<" "; j=0; } else j++; }}
7、哈夫曼编码
#include<iostream>using namespace std;#include<stdlib.h>#include<fstream>#include<string>typedef int ElemType;struct save{ char a2[10]; int lenth;};save minma[26];struct BTreeNode{ ElemType data; BTreeNode*left; BTreeNode*right;};int count=0;BTreeNode*CreateHuffman(ElemType a[],int n){ BTreeNode**b,*q; b=new BTreeNode*[n]; int i,j; for(i=0;i<n;i++) { b[i]=new BTreeNode; b[i]->data=a[i];b[i]->left=b[i]->right=NULL; } for(i=1;i<n;i++) { int k1=-1,k2; for(j=0;j<n;j++) { if(b[j]!=NULL&&k1==-1) {k1=j;continue;} if(b[j]!=NULL) {k2=j;break;} } for(j=k2;j<n;j++) { if(b[j]!=NULL) { if(b[j]->data<b[k1]->data) {k2=k1;k1=j;} else if(b[j]->data<b[k2]->data) k2=j; } } q=new BTreeNode; q->data=b[k1]->data+b[k2]->data; q->left=b[k1];q->right=b[k2]; b[k1]=q;b[k2]=NULL; } delete []b; return q;}void HuffManCoding(BTreeNode*FBT,int len){ static char a[10]; if(FBT!=NULL) { if(FBT->left==NULL&&FBT->right==NULL) { for(int i=0;i<len;i++) { minma[count].a2[i]=a[i]; } minma[count].lenth=len; count++; } else{ a[len]=0;HuffManCoding(FBT->left,len+1); a[len]=1;HuffManCoding(FBT->right,len+1); } }}int main(){ BTreeNode *m; char a1[26]; for(int i=0;i<26;i++) { a1[i]=65+i; } int a3[26]; ifstream f1("新建文本文档.txt",ios::out); int j; i=0; while(!f1.eof()) if(f1>>j) a3[i++]=j; m=CreateHuffman(a3,26); HuffManCoding(m,0); int total=0; cout<<"请输入一串字符"<<endl; char s1[100]; cin>>s1; cout<<"它们所对应的密文分别是"<<endl; char *q=s1; while(q[total]!='\0') total++; for(i=0;i<total;i++) { for(j=0;j<26;j++) { if(s1[i]==a1[j]) { for(int k=0;k<minma[j].lenth;k++) cout<<(int)minma[j].a2[k]<<" "; cout<<endl; } } } return 0;}
"新建文本文档.txt"
23 45 12 87 103 54 99 46 97 82 98 65 38 84 56 55 78 77 47 73 91 86 4 5 40 3
8、邻接矩阵与邻接表
#include<iostream.h>#include<stdlib.h>#include<strstrea.h>typedef int VertexType;typedef int WeightType;const int MaxEdgeNum=10;const int MaxVertexNum=10;const WeightType MaxValue=1000;typedef VertexType vexlist[MaxVertexNum];typedef int adjmatrix[MaxVertexNum][MaxVertexNum];#include"4_01栈的顺序存储.cpp"void Prim(adjmatrix GA,edgest CT,int n){ int i,j,k,min,t,m,w; for(i=0;i<n-1;i++) { CT[i].fromvex=0; CT[i].endvex=i+1; CT[i].weight=GA[0][i+1]; } for(k=1;k<n;k++) { min=MaxValue; m=k-1; for(j=k-1;j<n-1;j++) if(CT[j].weight<min) { min=CT[j].weight; m=j; } edge temp=CT[k-1]; CT[k-1]=CT[m]; CT[m]=temp; j=CT[k-1].endvex; for(i=k;i<n-1;i++) { t=CT[i].endvex; w=GA[j][t]; if(w<CT[i].weight) { CT[i].weight=w; CT[i].fromvex=j; } } }}void Kruskal(edgeset GE,edgeset CT,int n){ int i,j; bool**s=new bool*[n]; for(i=0;i<n;i++) s[i]=new bool[n]; for(i=0;i<n;i++) { for(j=0;j<n;j++) if(i==j) s[i][j]=true; else s[i][j]=false; } int k=1; int d=0; int m1,m2; while(k<n) { for(i=0;i<n;i++) { if(s[i][GE[d].fromvex]==true) m1=i; if(s[i][GE[d].endvex]==true) m3=i; } if(m1!=m2) { CT[k-1]=GE[d]; k++; for(j=0;j<n;j++) { s[m1][j]=s[m1][j]||s[m2][j]; s[m2][j]=false; } } d++; } for(i=0;i<n;i++) delete[]s[i]; delete[]s;}//边集数组struct edge{ int fromvex; int endvex; WeightType weight;};typedef edge edgeset[MaxEdgeNum];void InitArray(edgeset GE){ for(int i=0;i<MaxEdgeNum;i++) { GE[i].fromvex=GE[i].endvex=-1; GE[i].weight=MaxValue; }}void CreateArray(edgeset GE,int n,char*s,int k){ istrstream sin(s); char c1,c2,c3; int i,j,c=0; WeightType w; sin>>c1; if(k==0){ do{ sin>>c1>>i>>c2>>j>>c3; GE[c].fromvex=i; GE[c].endvex=j; GE[c].weight=1; c++; sin>>c1; }while(c1==','); } else{ do{ sin>>c1>>i>>c2>>j>>c3>>w; GE[c].fromvex=i; GE[c].endvex=j; GE[c].weight=w; c++; sin>>c1; }while(c1==','); }}void Arry(edgeset GE,int i,int n,bool*visited){ int j=i,k=0; while(k!=n) { for(int t=0;GE[t].fromvex!=-1;t++) { if(GE[t].fromvex==j&&!visited[j]) { cout<<j<<" "; visited[j]=true; j=GE[t].endvex; k++; break; } } if(GE[t].fromvex==-1) { cout<<j<<" "; k++; } }}void Arry2(edgeset GE,int i,int n,bool*visited){ int j=i,k=1; int q[10]; int front=0,rear=0; cout<<j<<" "; while(k!=n) { for(int t=0;GE[t].fromvex!=-1;t++) { if(GE[t].fromvex=j&&!visited[j]) { cout<<GE[t].endvex<<" "; k++; q[rear]=GE[t].endvex; rear=(rear+1)%10; } else { visited[j]=true; j=q[front]; front=(front+1)%10; break; } } }}struct edgenode{ int adjvex; WeightType weight; edgenode*next;};typedef edgenode*adjlist[MaxVertexNum];void InitAdjoin(adjlist GL){ for(int i=0;i<MaxVertexNum;i++) GL[i]=NULL;}void CreateAdjoin(adjlist GL,int n,char*s,int k1,int k2){ istrstream sin(s); char c1,c2,c3; int i,j; WeightType w; edgenode*p; sin>>c1; if(k2==0){ do{ sin>>c1>>i>>c2>>j>>c3; p=new edgenode; p->adjvex=j;p->weight=1; p->next=GL[i]; GL[i]=p; if(k1==0){ p=new edgenode; p->adjvex=i;p->weight=1; p->next=GL[j]; GL[j]=p; } sin>>c1; }while(c1==','); } else{ do{ sin>>c1>>i>>c2>>j>>c3>>w; p=new edgenode; p->adjvex=j;p->weight=w; p->next=GL[i]; GL[i]=p; if(k1==0) { p=new edgenode; p->adjvex=i;p->weight=w; p->next=GL[j]; GL[j]=p; } sin>>c1; }while(c1==','); }}void InitMatrix(adjmatrix GA,int k){ int i,j; for(i=0;i<MaxVertexNum;i++) for(j=0;j<MaxVertexNum;j++) if(i==j) GA[i][j]=0; else if(k) GA[i][j]=MaxValue; else GA[i][j]=0;}void CreateMatrix(adjmatrix GA,int n,char*s,int k1,int k2){ istrstream sin(s); char c1,c2,c3; int i,j; WeightType w; sin>>c1; if(k1==0&&k2==0) do{ sin>>c1>>i>>c2>>j>>c3; GA[i][j]=GA[j][i]=1; sin>>c1; if(c1==')')break; }while(1); else if(k1==0&&k2!=0) do{ sin>>c1>>i>>c2>>j>>c3>>w; GA[i][j]=GA[j][i]=w; sin>>c1; if(c1==')')break; }while(1); else if(k1!=0 && k2==0) do{ sin>>c1>>i>>c2>>j>>c3; GA[i][j]=1; sin>>c1; if(c1==')')break; }while(1); else if(k1!=0 && k2!=0) do{ sin>>c1>>i>>c2>>j>>c3>>w; GA[i][j]=w; sin>>c1; if(c1==')')break; }while(1);}void dfsMatrix(adjmatrix GA,int i,int n,bool*visited){ Stack M; InitStack(M); int j=i; visited[i]=true; cout<<j<<" "; Push(M,j); while(j!=n||M.top!=0) { if(j==n+1) { j=M.stack[M.top]; M.top--; } if(GA[M.stack[M.top]][j]!=0&&!visited[j]) { visited[j]=true; Push(M,j); cout<<j<<" "; j=0; } else j++; }}/*void dfsAdjoin(adjlist GL,int i,int n,bool*visited){ cout<<i<<" "; visited[i]=true; edgenode*p=GL[i]; while(p!=NULL) { int j=p->adjvex; if(!visited[j]) dfsAdjoin(GL,j,n,visited); p=p->next; }}*/void dfsAdjoin(adjlist GL,int i,int n,bool*visited){ Stack M; InitStack(M); cout<<i<<" "; Push(M,i); visited[i]=true; edgenode*p=GL[i]; while(p!=NULL||M.top!=0) { if(p==NULL) { M.top--; p=GL[M.stack[M.top]]; } int j=p->adjvex; if(!visited[j]) { visited[j]=true; cout<<j<<" "; Push(M,j); p=GL[M.stack[M.top]]; } else { p=p->next; } }} int main(){ int i,n,k1,k2; cout<<"输入待处理图的顶点数："; cin>>n; cout<<"输入图的有向和有无权选择（0为无，非0为有）："; cin>>k1>>k2; bool*visited=new bool[n]; adjmatrix ga; InitMatrix(ga,k2); cout<<"输入图的边集;"; char*a=new char[100]; cin>>a; CreateMatrix(ga,n,a,k1,k2); cout<<"按图的邻接矩阵得到的深度优先遍历序列:"<<endl; for(i=0;i<n;i++) visited[i]=false; dfsMatrix(ga,0,n,visited); cout<<endl; cout<<"按图的邻接表得到的深度优先遍历序列:"<<endl; adjlist ka; InitAdjoin(ka); CreateAdjoin(ka,n,a,k1,k2); for(i=0;i<n;i++) visited[i]=false; dfsAdjoin(ka,0,n,visited); cout<<endl; for(i=0;i<n;i++) visited[i]=false; edgeset ke; InitArray(ke); CreateArray(ke,n,a,0); Arry(ke,0,n,visited); cout<<endl; for(i=0;i<n;i++) visited[i]=false; Arry2(ke,0,n,visited); return 0;}
9、迷宫程序
#include<iostream>#include <windows.h>#include<ctime>#include<cstdlib>#include<string>using namespace std;const int m=8,n=8;char maze[m+2][n+2];char mark[m+2][n+2];int move[4][2]={{0,1},{1,0},{0,-1},{-1,0}};struct position{ int a; int b;};typedef position ElemType;struct Stack{ ElemType *stack; int top; int MaxSize;};#include"4_01栈的顺序存储.cpp"void output(ElemType &t){ cout<<"("<<t.a<<" "<<t.b<<")"<<endl;}bool SeekPath(int x,int y){ Stack M; InitStack(M); int i,j,k=0,t; ElemType item1,item2; int g=x,h=y; item1.a=g; item1.b=h; Push(M,item1); mark[g][h]=1; while((g!=m)||(h!=n)) { item1.a=g; item1.b=h; k=0; for(i=0;i<4;i++) { g=g+move[i][0];h=h+move[i][1]; if((maze[g][h]==0)&&(mark[g][h]==0)) { maze[g][h]=2; for(i=0;i<m+2;i++) { for(j=0;j<n+2;j++) { cout<<maze[i][j]<<" "; } cout<<endl; } Sleep(1000); system("cls"); Sleep(50); mark[g][h]=1; item2.a=g; item2.b=h; Push(M,item2);break; } else { k++; g=item1.a; h=item1.b; } } if((g==1)&&(h==1)&&(k==4)) { cout<<"失败"<<endl; t=0; break; } if(k==4) { g=M.stack[M.top-1].a; h=M.stack[M.top-1].b; M.top--; } } if(t!=0) { while(M.top!=-1) { output(M.stack[M.top]); M.top--; } return true; } else return false;} int main(){ int i,j; for(i=0;i<m+2;i++) maze[0][i]=1; for(j=0;j<n+2;j++) maze[j][i-1]=1; for(i=0;i<m+2;i++) maze[j-1][i]=1; for(j=1;j<m+1;j++) maze[j][0]=1; srand(unsigned(time(0))); for(i=1;i<m+1;i++) { for(j=1;j<n+1;j++) { double some=(rand()%10)/10.0; if(some>0.25) maze[i][j]=0; else maze[i][j]=1; } } maze[m][n]=0; for(i=0;i<m+2;i++) { for(j=0;j<n+2;j++) mark[i][j]=0; } mark[1][1]=1; for(i=0;i<m+2;i++) { for(j=0;j<n+2;j++) { cout<<maze[i][j]<<" "; } cout<<endl; } SeekPath(1,1); return 0;}
10、图实现教学楼的寻找
#include<iostream>#include<strstrea.h>#include<fstream>#include<string>using namespace std;typedef int VertexType;typedef int WeightType; const int MaxVertexNum=8;const int MaxEdgeNum=24;const WeightType MaxValue=100;typedef VertexType vexlist[MaxVertexNum];typedef int adjmatrix[MaxVertexNum][MaxVertexNum];void InitMatrix(adjmatrix GA,int k){ int i,j; for(i=0;i<MaxVertexNum;i++) for(j=0;j<MaxVertexNum;j++) if(i==j) GA[i][j]=0; else if(k) GA[i][j]=MaxValue; else GA[i][j]=0;}void CreateMatrix(adjmatrix GA,int n,char*s,int k1,int k2){ istrstream sin(s); char c1,c2,c3; int i,j; WeightType w; sin>>c1; if(k1==0&&k2==0) do{ sin>>c1>>i>>c2>>j>>c3; GA[i][j]=GA[j][i]=1; sin>>c1; if(c1==')') break; }while(1); else if(k1==0&&k2!=0) do{ sin>>c1>>i>>c2>>j>>c3>>w; GA[i][j]=GA[j][i]=w; sin>>c1; if(c1==')') break; }while(1); else if(k1!=0&&k2==0) do{ sin>>c1>>i>>c2>>j>>c3; GA[i][j]=1; sin>>c1; if(c1==')') break; }while(1); else if(k1!=0 &&k2!=0) do{ sin>>c1>>i>>c2>>j>>c3>>w; GA[i][j]=w; sin>>c1; if(c1==')') break; }while(1);}void dfsMatrix(adjmatrix GA,int i,int n,bool*visited,string a[]){ std::cout<<a[i]<<" "; visited[i]=true; for(int j=0;j<n;j++) if(GA[i][j]!=0 && GA[i][j]!=MaxValue && !visited[j]) dfsMatrix(GA,j,n,visited,a);}void Prim(adjmatrix GA,edgeset CT,int n){ int i,j,k,min,t,m,w; for(i=0;i<n-1;i++) { CT[i].fromvex=0; CT[i].endvex=i+1; CT[i].weight=GA[0][i+1]; } for(k=1;k<n;k++} { min=MaxValue; m=k-1; for(j=k-1;j<m-1;j++) { if(CT[j].weight<min) { min=CT[j].weight; m=j; } edge temp=CT[k-1]; CT[k-1]=CT[m]; CT[m]=temp; j=CT[k-1].endvex; for(i=k;i<n-1;i++) { t=CT[i].endvex; w=GA[j][t]; if(w<CT[i].weight) { CT[i].weight=w; CT[i].fromvex=j; } } }}int main(){ string a[8]; int i=0; adjmatrix A; ifstream f1("新建文本文档 (2).txt",ios::out); if(!f1) { std::cout<<"新建文本文档 (2).txt do not found"; exit(1); } string s; while(!f1.eof()) if(f1>>s) a[i++]=s; InitMatrix(A,1); char *s1; s1=new char [100]; ifstream f2("新建文本文档 (3).txt",ios::out); if(!f2) { std::cout<<"新建文本文档 (3).txt do not found"; exit(1); } char m; i=0; while(!f2.eof()) if(f2>>m) s1[i++]=m; /*for(i=0;i<62;i++) std::cout<<s1[i];*/ CreateMatrix(A,8,s1,0,1); bool *visited=new bool [8]; for(i=0;i<8;i++) visited[i]=false; dfsMatrix(A,0,8,visited,a); return 0;}
新建文本文档（2）
主楼 博雅楼 知行楼 三舍 图书馆 致远楼 新华楼 中和楼
新建文本文档（3）
( ( 0 , 6 ) 2 ,( 0 , 2 ) 4 ,( 0 , 5 ) 1 ,( 0 , 3 ) 1 ,( 1 , 5 ) 2 ,( 1 , 7 ) 1 ,( 2 , 4 ) 3 ,( 3 , 6 ) 2 ,( 6 , 7 ) 3 )
11、拓补排序
void Toposort(adjlilst GL,int n){ int i,j,k,top,m=0; edgenode*p; int *d=new int[n]; for(i=0;i<n;i++) d[i]=0; for(i=0;i<n;i++) { p=GL[i]; while(p!=NULL) { j=p->adjvex;d[j]++;p=p->next; } } top=-1; for(i=0;i<n;i++) if(d[i]==0) {d[i]=top;top=i;} while(top!=-1) { j=top; top=d[top]; cout<<j<<" "; m++; p=GL[j]; while(p!=NULL) { k=p->adjvex; d[k]--; if(d[k]==0) { d[k]=top;top=k; } p=p->next; } } cout<<endl; if(m<n) cout<<"The network has a cycle!"<<endl; delete []d;}
12、稀疏矩阵的转置乘法与加法
#include<iostream>using namespace std;typedef int ElemType;struct Triple{ int row,col; ElemType val;};struct SMatrix{ int m,n,t; Triple sm[100];};void InitMatrix(SMatrix & M){ M.m=0; M.n=0; M.t=0;}void InputMatrix(SMatrix &M,int m,int n){ M.m=m; M.n=n; int row,col,val; int k=0; cin>>row>>col>>val; while(row!=0) { k++; M.sm[k].row=row; M.sm[k].col=col; M.sm[k].val=val; cin>>row>>col>>val; } M.t=k;}SMatrix FastTranspose(SMatrix &M){ SMatrix S; InitMatrix(S); S.m=M.n; S.n=M.m; S.t=M.t; if(S.t==0) return S; int* num=new int[M.n+1]; int* pot=new int[M.n+1]; int col,i; for(col=1;col<=M.n;col++) num[col]=0; for(i=1;i<=M.t;i++) { int j=M.sm[i].col; num[j]++; } pot[1]=1; for(col=2;col<=M.n;col++) pot[col]=pot[col-1]+num[col-1]; for(i=1;i<=M.t;i++) { int j=M.sm[i].col; int k=pot[j]; S.sm[k].row=j; S.sm[k].col=M.sm[i].row; S.sm[k].val=M.sm[i].val; pot[j]++; } delete[] num; delete[] pot; return S;}void output(SMatrix &M){ int k=1; for(int i=1;i<=M.m;i++) { for(int j=1;j<=M.n;j++) { if((M.sm[k].row==i)&&(M.sm[k].col==j)) { cout<<M.sm[k].val<<" "; k++; } else cout<<"0"<<" "; } cout<<endl; }}SMatrix Add(SMatrix& M1,SMatrix& M2){ SMatrix M; InitMatrix(M); if((M1.m!=M2.m)||(M1.n!=M2.n)) { cout<<"两矩阵规格不一样"<<endl; exit(1); } M.m=M1.m;M.n=M1.n; if((M1.t==0)&&(M2.t==0)) return M; int k,t=1; for(k=1;k<=M1.t;k++) { if((M1.sm[k].row==M2.sm[k].row)&&(M1.sm[k].col=M2.sm[k].col)) { M.sm[t].row=M1.sm[k].row; M.sm[t].col=M1.sm[k].col; M.sm[t].val=M1.sm[k].val+M2.sm[k].val; t++; } else { if(M1.sm[k].val==0) { M.sm[t].row=M1.sm[k].row; M.sm[t].col=M1.sm[k].col; M.sm[t].val=M2.sm[k].val; } else { if(M2.sm[k].val==0) { M.sm[t].row=M2.sm[k].row; M.sm[t].col=M2.sm[k].col; M.sm[t].val=M1.sm[k].val; } } t++; } M.t=t; } return M;}SMatrix chengfa(SMatrix &M1,SMatrix &M2){ SMatrix M3; InitMatrix(M3); M3.n=M1.m; M3.m=M2.n; if(M1.n!=M2.m) cout<<"两矩阵不能相乘"<<endl; else { int h=0; for(int i=1;i<=M1.m;i++) { for(int j=1;j<=M2.n;j++) { int sum=0; for(int t=1;t<=M1.t;t++) { for(int k=1;k<=M2.t;k++) { if((M1.sm[t].row==i)&&(M2.sm[k].col==j)) if(M2.sm[k].row==M1.sm[t].col) sum+=M1.sm[t].val*M2.sm[k].val; else sum+=0; else sum+=0; } } h++; M3.sm[h].val=sum; M3.sm[h].row=i; M3.sm[h].col=j; } } M3.t=h; } return M3;}int main(){ cout<<"请选择操作序号"<<endl; cout<<"1 转质 2 加法 3 乘法"<<endl; char a; cin>>a; switch(a) { case '1': { SMatrix p; InitMatrix(p); int m,n; cout<<"请输入稀疏矩阵的行数和列数"<<endl; cin>>m>>n; cout<<"请输入非零元素所在行数 列数 元素值 输入完后以 0 0 0结束"<<endl; InputMatrix(p,m,n); output(FastTranspose(p)); };break; case '2': { SMatrix a,b; InitMatrix(a); cout<<"请输入稀疏矩阵1的行数和列数"<<endl; int m1,n1; cin>>m1>>n1; cout<<"请输入稀疏矩阵1非零元素所在的行 列 值 输入完后以 0 0 0结束"<<endl; InputMatrix(a,m1,n1); InitMatrix(b); cout<<"请输入稀疏矩阵2的行数和阶数"<<endl; int m2,n2; cin>>m2>>n2; cout<<"请输入稀疏矩阵2中非零元素的行 列 值 输入完后以 0 0 0结束 "<<endl; InputMatrix(b,m2,n2); output(Add(a,b)); };break; case '3': { SMatrix a,b; InitMatrix(a); cout<<"请输入稀疏矩阵1的行数和列数"<<endl; int m1,n1; cin>>m1>>n1; cout<<"请输入稀疏矩阵1非零元素所在的行 列 值 输入完后以 0 0 0结束"<<endl; InputMatrix(a,m1,n1); InitMatrix(b); cout<<"请输入稀疏矩阵2的行数和阶数"<<endl; int m2,n2; cin>>m2>>n2; cout<<"请输入稀疏矩阵2中非零元素的行 列 值 输入完后以 0 0 0结束"<<endl; InputMatrix(b,m2,n2); output(chengfa(a,b)); };break; } return 0;}
最后说一句，以上都是扯淡，都是扯淡，能挣着钱才是王道呀！！！！！！
孩子我还是太幼稚
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