运行 ID: 72514

Main.cc: In function ‘int main()’:
Main.cc:16:25: error: ‘N’ was not declared in this scope
      for (int i = 0; i =0;j--){
                    ^
Main.cc:18:10: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation]
          while(j>=0;j--){
          ^~~~~
Main.cc:18:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘while’
          while(j>=0;j--){
                     ^
Main.cc:18:24: error: expected ‘;’ before ‘)’ token
          while(j>=0;j--){
                        ^
Main.cc:28:2: error: expected ‘}’ at end of input
  }
  ^