C++作业6

#include<iostream.h>void main(){char a[100],b[100],i;cout<<"请输入两串字符";cin>>a>>b;for(i=0;i<100;i++){if(a[i]!=b[i]){cout<<"两串字符串不相同"<<endl;break;}i++;}if(i==100)cout<<"两串字符串相同"<<endl;cout<<a<<b<<endl;}

#include<iostream.h>void main(){int a[3][3],i=0,j=0,sum=0,sum2=0,sum3=0;for(i=0;i<3;i++){for(j=0;j<3;j++)cin>>a[i][j];}for(i=0;i<3;i++){for(j=0;j<3;j++){if(i==j)sum+=a[i][j];}}for(i=0;i<3;i++){for(j=0;j<3;j++){if(j+i==2)sum2+=a[i][j];}}sum3=sum+sum2;cout<<"对角线1的和为："<<sum<<endl<<"对角线2的和为："<<sum2<<endl<<"两条对角线和为："<<sum3<<endl;}