제출 #341165

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
341165		YJU	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	1094 ms	364 KiB

molecules

#include<bits/stdc++.h>
#include"molecules.h"
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef int ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=5e3+7;
const ll K=350;
const ld pi=acos(-1);
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()

vector<ll> find_subset(ll l,ll r,vector<ll> w){
	vector<ll> lis;
	REP(i,SZ(w))lis.pb(i);
	sort(lis.begin(),lis.end(),[&](ll a,ll b){
		return (w[a]<w[b]);
	});
	ll sum=0;
	vector<ll> ans;
	REP(i,SZ(lis)){
		sum+=w[lis[i]];
		ans.pb(lis[i]);
		if(sum>=l&&sum<=r){
			return ans;
		}else if(sum>r){
			sum-=w[ans[0]];
			ans.erase(ans.begin(),next(ans.begin()));
			return ans;
		}
	}
	while(1);
	return vector<ll>(0);
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp:13:18: warning: overflow in conversion from 'long long int' to 'll' {aka 'int'} changes value from '1152921504606846976' to '0' [-Woverflow]
   13 | const ll INF=(1LL<<60);
      |              ~~~~^~~~~

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