제출 #548690

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
548690	2022-04-14 09:15:23	cpp219	Self Study (JOI22_ho_t2)	C++17	62 / 100	400 ms	8520 KiB

Main

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#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define fs first
#define sc second
#define debug(y) cout<<y,exit(0)
using namespace std;
typedef pair<ll,ll> LL;
const ll N = 3e5 + 9;
const ll inf = 1e16 + 7;
int n,m,a[N],b[N];
bool chk(ll tar){
    ll spare = 0;
    for (ll i = 1;i <= n;i++){
        ll mx = max(a[i],b[i]);
        if (m*mx > tar) spare += m - ceil((ld)tar/mx);
        else spare -= ceil((ld)(tar - mx*m)/b[i]);
    }
    return (spare >= 0);
}
int main(){
    ios_base::sync_with_stdio(NULL); cin.tie(0); cout.tie(0);
    #define task "tst"
    if (fopen(task".inp","r")){
        freopen(task".inp","r",stdin);
        //freopen(task".out","w",stdout);
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:28:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
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• Subtask 5: 0 / 9