제출 #1260429

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1260429		cpdreamer	축제 (IOI25_festival)	C++20	0 / 100	1095 ms	10020 KiB

festival

#include "festival.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define V vector
#define pb push_back
#define all(v) v.begin(),v.end()
const long long MOD=1e9+7;
#define F first
#define S second
void file() {
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
}
struct coup {
    ll p;
    ll t;
    int id;
};
bool cus(coup a,coup b) {
    return -(a.p*a.t*b.t)-(b.p*b.t)>=-(b.p*b.t*a.t)-(a.p*a.t);
}
std::vector<int> max_coupons(int A, std::vector<int> P, std::vector<int> T) {
    V<coup>vp;
    int n=(int)P.size();
    for (int i=0;i<n;i++) {
        vp.pb({P[i],T[i],i});
    }
    sort(all(vp),cus);
    V<int>ans;
    for (auto u:vp) {
        ans.pb(u.id);
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

festival.cpp: In function 'void file()':
festival.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     freopen("input.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
festival.cpp:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     freopen("output.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
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• Subtask 5: 0 / 27
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• Subtask 7: 0 / 18