답안 #713174

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
713174	2023-03-21T09:21:12 Z	Aaryan1378	Colors (BOI20_colors)	C++14	컴파일 오류	0 ms	0 KB

Colors

#include <bits/stdc++.h>

using namespace std;

int solve(long long int left, long long int right) {
  if(left >= right) {
    cout << "=" << " " << left << endl;
    return;
  }
  long long int mid = (left + right + 1) / 2;
  cout << "?" << " " << mid << endl;
  long long int ans;
  cin >> ans;
  if(ans == 1) {
    solve(left, mid);
  } else {
    solve(mid + 1, right)
  }
}

int main() {
  //your code goes here
  long long int n;
  cin >> n;
  solve(1, n);
  return 0;
}

Compilation message

Colors.cpp: In function 'int solve(long long int, long long int)':
Colors.cpp:8:5: error: return-statement with no value, in function returning 'int' [-fpermissive]
    8 |     return;
      |     ^~~~~~
Colors.cpp:17:26: error: expected ';' before '}' token
   17 |     solve(mid + 1, right)
      |                          ^
      |                          ;
   18 |   }
      |   ~                       
Colors.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type]
   19 | }
      | ^