运行 ID: 109365

Main.cc: In function ‘bool check(int)’:
Main.cc:9:22: error: ‘n’ was not declared in this scope
  for(int i = 1; i <= n + 1; i++)
                      ^
Main.cc:16:16: error: ‘m’ was not declared in this scope
  return sum <= m;
                ^
Main.cc: In function ‘int main()’:
Main.cc:24:13: error: ‘l’ was not declared in this scope
  a[n + 1] = l;
             ^
Main.cc:25:2: error: ‘r’ was not declared in this scope
  r = l + 1;
  ^