제출 #469007

#제출 시각아이디문제언어결과실행 시간메모리
469007Cross_Ratio커다란 상품 (IOI17_prize)C++14
컴파일 에러
0 ms0 KiB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;



int find_best(int N) {
    int s = 0;
    int e = N;
    srand(0);
    while(s + 1 != e) {
        mid = rand() % (e - s) + s;
        vector<int> V = ask(mid);
        if(V[0] == 0) s = mid;
        else if(V[1] == 0) e = mid;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:12:9: error: 'mid' was not declared in this scope
   12 |         mid = rand() % (e - s) + s;
      |         ^~~
prize.cpp:17:1: warning: no return statement in function returning non-void [-Wreturn-type]
   17 | }
      | ^