제출 #785075

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
785075		Lyrically	Detecting Molecules (IOI16_molecules)	C++17	69 / 100	1080 ms	3880 KiB

molecules

#include<bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define pb push_back
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
int read(){int x;scanf("%d",&x);return x;}
void print(int x){printf("%d\n",x);}
void file(string s)
{
	freopen((s+".in").c_str(),"r",stdin);
	freopen((s+".out").c_str(),"w",stdout);
}
const int mod=998244353;
vector<int> find_subset(int l,int r,vector<int> w)
{
	vector<pii> v;
	rep(i,(int)w.size())
	{
		v.pb({w[i],i});
	}
	sort(v.begin(),v.end());
	long long tot=0;
	int n=(int)w.size();
	vector<int> res;
	rep(i,n)
	{
		tot=0;
		for(int j=i;j<n;j++)
		{
			tot+=v[j].first;
			if(tot>=l&&tot<=r)
			{
				for(int k=i;k<=j;k++)
				{
					res.pb(v[k].second);
				}
				sort(res.begin(),res.end());
				return res;
			}
		}
	}
	return res;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'int read()':
molecules.cpp:7:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 | int read(){int x;scanf("%d",&x);return x;}
      |                  ~~~~~^~~~~~~~~
molecules.cpp: In function 'void file(std::string)':
molecules.cpp:11:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  freopen((s+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
molecules.cpp:12:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  freopen((s+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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