Run id: 112612

Main.cc: In function 'int main()':
Main.cc:20:35: error: expected ';' before ')' token
     for(int j=n-i-2>=i&&t<=n*n;j--){
                                   ^
Main.cc:24:20: warning: operation on 'j' may be undefined [-Wsequence-point]
         a[j][i]=j++;
                    ^