제출 #297778

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
297778		emnik	Detecting Molecules (IOI16_molecules)	C++14	0 / 100	1 ms	256 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;

typedef long long ll;
#define pb push_back
#define all(x) begin(x), end(x)
#define IOS ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);

std::vector<int> find_subset(int l, int r, vector<int> W){
    vector<int> b;
    vector<pair<int, int>> a,Pair;


    for(int i=0; i < (int)W.size(); i++){
        Pair.pb({W[i], i});
    }
    sort(Pair.begin(), Pair.end());
    ll sum=0, x=0, flag=0;
    for(int i=0; i < (int)Pair.size(); i++){
       if(sum < l){
      	  sum += (ll)Pair[i].first;
      	  a.pb({Pair[i].first, Pair[i].second});
       }
       if(sum > r){
	       	sum -= (ll)Pair[x].first;
	       	x++;
       }

       if(sum >= l && sum <= r){
	       flag=1;
	       break;
       }
    }


    for(int i=x; i < (int)a.size(); i++){
    	b.pb(a[i].second);
    }
    return b;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:19:20: warning: variable 'flag' set but not used [-Wunused-but-set-variable]
   19 |     ll sum=0, x=0, flag=0;
      |                    ^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31