运行 ID: 3758

Main.cc:14:16: warning: multi-character character constant [-Wmultichar]
    if(a[i][j]=='/0'){
                ^~~~
Main.cc:22:16: warning: multi-character character constant [-Wmultichar]
    if(a[i][j]=='/0'){
                ^~~~
Main.cc: In function ‘int main()’:
Main.cc:5:7: error: ‘n’ was not declared in this scope
  cin>>n;
       ^