第十四周项目6-阅读程序

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#include <iostream>using namespace std;int main(){ int a [6]={2,-3,4,-6,-8,10}, i; for (i=0;i<6;i++)  {    if(a[i]<0) continue;    cout<<a[i]<<"  ";  }  cout<<endl;  return 0;}

#include <iostream>using namespace std;int  main( ){   int  y=53,i=0,j,a[8];    do    {          a[i++]=y%2;         y=y/2;    }while(y!=0) ;    for(j=i-1;j>=0;j--)        cout<<a[j];    cout<<endl;    return 0;}

#include <iostream>using namespace std;int  main( ){    char  ch[]={"12yue25ri"};   int   i,s=0;   for(i=0;ch[i]>='0' && ch[i]<='9';i++)       s=10*s+ch[i]-'0';   cout<<s<<endl;   return 0;}

#include <iostream>using namespace std;int  main( ){  int n=0;  char str[80]="Beijing-China 2008"; cout<<str<<endl; while(str[n]!='\0')   str[n++]=str[n]>='a'&&str[n]<='z'?str[n]-'a'+'A':str[n]; cout<<str<<endl; return 0;}

#include <iostream>using namespace std;int  main( ){     int x[2][3]={5,4,6,7,8,9};    int m[2],i,j;    for (i=0;i<2;i++)    {       m[i]=x[i][0];       for(j=1;j<3;j++)            if(x[i][j]<m[i]) m[i]=x[i][j];    }    for (i=0;i<2;i++)        cout<<m[i]<<endl;    return 0;}

#include <iostream>using namespace std;int  main( ){  int a[4][4]={1,2,4,7,2,3,5,8,4,5,6,9,7,8,9,10}; int i,j,found=0; for(i=0;j<4;i++) for(j=0;j<=i;j++)    if(a[i][j]!=a[j][i])    {       found=1;       break;    } if(found)  cout<<"No!"<<endl; else  cout<<"Yes!"<<endl; return 0;}

#include <iostream>#include <iomanip>using namespace std;int main(){    int a[5][5]={0},i,j,k;    k=1;    for (i=0;i<5;i++)       for (j=i;j>=0;j--)          a[j][i-j]=k++;    for (i=0;i<5;i++)    {        for (j=0;j<5-i;j++)           cout<<setw(4)<<a[i][j];        cout<<endl;    }    return 0;}

#include <iostream>using namespace std;void reverse(int a[],int n);int  main( ){    int  b[10]={1,2,3,4,5,6,7,8,9,10};    int i,s=0;   reverse(b,8);   for(i=5;i<10;i++) s+=b[i];   cout<<s<<endl;   return 0;}void reverse(int a[],int n){   int  i,t;   for(i=0;i<n/2;i++)   {     t=a[i];  a[i]=a[n-1-i];  a[n-1-i]=t;   }}

#include <iostream>using namespace std;void f(int a[],int i,int j);int  main( ){    int  b[10]={1,2,3,4,5,6,7,8,9,10};    int i,s=0;   f(b,0,9);   for(i=5;i<10;i++) s+=b[i];       cout<<s<<endl;   return 0;}void f(int a[],int i,int j){      int  t;    if(i<j)    {          t=a[i]; a[i]=a[j];a[j]=t;        f(a,i+1,j-1);    }}

#include <iostream>using namespace std;int f(int n);int main(){   cout<<f(5)<<”   “;   cout<<f(8)<<endl;   return 0;      }int f(int n){   static int a=2;   int b=0;   a+=n;   b+=a;   return b;}

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