c++作业6

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项目一——数组操作

#include <iostream>using namespace std;int main(){    int i,j,t,a[10]= {5,6,9,7,4,8,3,1,2,0};    int x,y;    int z,locate,value;    for(i=0; i<9; i++)        for(j=0; j<9-i; j++)        {            if(a[j]>a[j+1])            {                t=a[j];                a[j]=a[j+1];                a[j+1]=t;            }        }    for(i=0; i<10; i++)        cout<<a[i]<<"  ";    cout<<endl;    cout<<"请输入要删除的数：";    cin>>y;    for(x=y; x<9; x++)        a[x]=a[x+1];    for(x=0; x<9; x++)        cout<<a[x]<<" ";    cout<<endl;    cout<<"插入数的位置为：";    cin>>locate;    cout<<"插入的数为：";    cin>>value;    for(z=9; z>locate; z--)        a[z]=a[z-1];    a[z]=value;    for(z=0; z<10; z++)        cout<<a[z]<<" ";    return 0;}

项目三——矩阵求和

#include <iostream>using namespace std;int main(){    int i,sum1,sum2,a[3][3]= {8,9,3,6,4,6,7,3,9};    for(i=0; i<3; i++)        sum1=sum1+a[i][i];    for(i=0; i<3; i++)        sum2=sum2+a[i][2-i];    cout<<"一条对角线的和为："<<sum1<<"\n";    cout<<"另一条对角线的和为："<<sum2<<endl;    return 0;}

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