运行 ID: 3372

Main.cc: In function ‘int main()’:
Main.cc:4:8: error: ‘i’ was not declared in this scope
  int a[i][j];
        ^
Main.cc:4:11: error: ‘j’ was not declared in this scope
  int a[i][j];
           ^
Main.cc:7:8: error: ‘a’ was not declared in this scope
  cout<