제출 #412402

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
412402		aris12345678	Easter Eggs (info1cup17_eastereggs)	C++14	0 / 100	1 ms	456 KiB

eastereggs

#include <bits/stdc++.h>
using namespace std;

const int mxN = 515;

int query(vector<int>);

int findEgg(int n, vector<pair<int, int> > bridges) {
    int st = 1, en = n, md, ans;
    while(st <= en) {
        md = (st+en)/2;
        vector<int> left, right;
        for(int i = st; i <= md; i++)
            left.push_back(i);
        for(int i = md+1; i <= en; i++)
            right.push_back(i);
        if(query(left)) {
            if(left.size() == 1)
                ans = left[0];
            en = md-1;
        } else {
            if(right.size() == 1)
                ans = right[0];
            st = md+1;
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:27:12: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   27 |     return ans;
      |            ^~~

• Subtask 1: 0 / 40
• Subtask 2: 0 / 40
• Subtask 3: 0 / 20