Submission #1264285

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264285		liangjeremy	Detecting Molecules (IOI16_molecules)	C++20	46 / 100	1093 ms	6212 KiB

molecules

#include<bits/stdc++.h>
#define fi first
#define se second
//#define int long long
using namespace std;
using db=double;
using ll=int64_t;
using sll=__int128;
using lb=long double;

vector<int>find_subset(int l, int r, vector<int>w){
	vector<int>dp(r+1,-1); vector<int>pre(r+1,-1); vector<int>v(r+1); dp[0]=1; pre[0]=0; 
	for(int i=0; i<w.size(); i++){
		for(int j=r; j>=w[i]; j--){
			if(dp[j]==1)continue;
			if(dp[j]==-1 && dp[j-w[i]]==1){
				dp[j]=1; v[j]=i; pre[j]=j-w[i]; 
			}
		}
	}
	vector<int>ans; int idx=-1;
	for(int i=l; i<=r; i++){
		if(dp[i]==1){
			idx=i; break; 
		}
	}
	if(idx==-1)return ans;
	while(pre[idx]!=idx){
		ans.push_back(v[idx]); idx=pre[idx];
	}
	return ans; 
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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