运行 ID: 26116

Main.cc: In function ‘int main()’:
Main.cc:17:2: error: expected ‘;’ before ‘}’ token
  }
  ^
Main.cc:19:1: error: expected ‘}’ at end of input
 }
 ^
Main.cc:5:7: warning: unused variable ‘j’ [-Wunused-variable]
 int n,j,m,sum=0;
       ^
Main.cc:19:1: error: expected ‘}’ at end of input
 }
 ^