제출 #641500

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
641500	2022-09-16 19:37:03	sumit_kk10	Harbingers (CEOI09_harbingers)	C++17	80 / 100	134 ms	21936 KiB

harbingers

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#include<bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL)
#define pb push_back
#define F first
#define S second
#define int long long
using namespace std;
const int N = 1e5 + 5, MOD = 1e9 + 7;
vector<pair<int, int> > g[N];
int n, par[N], dis[N], dp[N], s[N], d[N];
struct Line{
    int m, c;
 
    int val(int x){
        return m*x + c;
    }
};
vector<Line> hulls(N);
int cur_hullsize = 1;
bool check(Line a, Line b, Line cc){
    int x = (b.c - a.c);
    x = x * (a.m - cc.m);
    int y = (cc.c - a.c);
    y = y * (a.m - b.m);
    if(x > y)
        return true;
    return false;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

harbingers.cpp: In function 'long long int pos(long long int, long long int)':
harbingers.cpp:39:43: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   39 |     int low = 1, high = cur_hullsize - 1, ans;
      |                                           ^~~

• Subtask 1: 80 / 100