代码
#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;
}
总结:说实话,都没怎么看懂,得读很多次——还是不算太懂——那就再读很多次!!