C++作业6

#include<iostream>
using namespace std;
int main()
{
cout<<"数组a为a[5]={1,3,8,9,10}，数组b为b[5]={2,3,4,5,6}"<<endl;
int a[5]={1,3,8,9,10},b[5]={2,3,4,5,6},c[10],i,d;
for(i=0; i<5; i++)
{
c[i] = a[i];
}
for(i=5; i<10; i++)
{
c[i] = b[i-5];
}
for(i=0; i<9; i++)
for(int j=0; j<9-i;j++)
{
if(c[j] > c[j+1])
{
d = c[j];
c[j] = c[j+1];
c[j+1] = d;
}
}
cout<<"数组a和b合并成c数组排序为：";
for(i=0; i<10; i++)
{
cout<<c[i]<<" ";
}
cout<<endl;
return 0;
}

#include<iostream>
using namespace std;
int main()
{
int a[3][3],i,j,sum1=0,sum2=0;
cout<<"请按照从左至右从上至下顺序输入矩阵元素："<<endl;
for(i=0; i<3; i++)
for(j=0; j<3; j++)
{
cin>>a[i][j];
}
cout<<"您输入的矩阵为："<<endl;
for(i=0; i<3; i++)
{
for(j=0; j<3; j++)
{
cout<<a[i][j]<<"  ";
}
cout<<endl;
}
sum1 = a[0][0]+a[1][1]+a[2][2];
sum2 = a[0][2]+a[1][1]+a[2][0];
cout<<"您输入的矩阵主对角线和为："<<sum1<<endl;
cout<<"您输入的矩阵副对角线和为："<<sum2<<endl;
return 0;
}