运行 ID: 26186

Main.cc: In function ‘int main()’:
Main.cc:9:13: error: ‘j’ was not declared in this scope
   cin>>a[i][j];
             ^
Main.cc:12:13: error: ‘j’ was not declared in this scope
   cin>>b[i][j];
             ^
Main.cc:15:14: error: ‘j’ was not declared in this scope
   cout<