Submission #426238

#	Time	Username	Problem	Language	Result	Execution time	Memory
426238		Play_Erwan	Detecting Molecules (IOI16_molecules)	C++11	0 / 100	1 ms	332 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define pb push_back
#define F first
#define S second

int dp[10001],x,f;
vector<int> v;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    for(int i=0;i<=10000;i++)dp[i]=-1;
    dp[0]=0;
    for(int k=0;k<w.size();k++){
        x=w[k];
        for(int i=10000;i>=0;i--)if(dp[i]!=-1 && i+x<=10000){
            dp[i+x]=k;
        }
    }

    for(int i=l;i<=u;i++)if(dp[i]!=-1){f=i; break;}

    while(f>0){
        v.pb(dp[f]);
        f-=w[dp[f]];
    }

    return v;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for(int k=0;k<w.size();k++){
      |                 ~^~~~~~~~~

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