제출 #61654

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
61654	2018-07-26 09:05:16	EntityIT	Easter Eggs (info1cup17_eastereggs)	C++14	100 / 100	78 ms	3096 KiB

eastereggs

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#include<bits/stdc++.h>
#include "grader.h"
using namespace std;
#define pb push_back
#define fi first
#define se second
typedef pair<int, int> ii;
const int N = 1e5 + 5;
int a[N], cur;
vector<int> gr[N];
void dfs(int u, int p) {
    a[++cur] = u;
    for (int v : gr[u]) if(v != p) dfs(v, u);
}
int findEgg(int n, vector<ii> edge) {
    for (int i = 0; i < N; ++i) gr[i].clear();
    for (ii i : edge) {
        gr[i.fi].pb(i.se); gr[i.se].pb(i.fi);
    }
    dfs(1, 1);
    vector<int> ask;
    int l = 1, r = n;
    while(l < r) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:31:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         int mid = l + r >> 1;
                   ~~^~~

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