제출 #262439

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
262439		themax23	Detecting Molecules (IOI16_molecules)	C++17	19 / 100	1 ms	416 KiB

molecules

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

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	int n = (int) w.size();
	vector<pair<int,int>> v;
	for(int i = 0; i < n; ++i){
		pair<int,int> p = {w[i],i};
		v.push_back(p);
	}
	sort(v.begin(), v.end());
	long long i = 0, j = 0, sum = 0, ans = 0;
	while(i < n){
		while(sum < u && j < n)
			{sum += v[j].first; ++j;}
		if(sum >= l && sum <= u){ans = sum; break;}
		sum -= v[i].first; ++i;
	}
	//cerr << ans;
	vector<int> sub;
	while(i < j)
		{sub.push_back(v[i].second); ++i;}
	return sub;

}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:13:35: warning: variable 'ans' set but not used [-Wunused-but-set-variable]
   13 |  long long i = 0, j = 0, sum = 0, ans = 0;
      |                                   ^~~

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