Submission #426290

#	Time	Username	Problem	Language	Result	Execution time	Memory
426290		Play_Erwan	Detecting Molecules (IOI16_molecules)	C++11	46 / 100	1086 ms	1144 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 x,f,con;
vector<int> v;
map<int,int> dp;

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    dp[0]=-1;
    for(int k=1;k<=w.size();k++){
        x=w[k-1];
        if(x>u)continue;
        for(auto y:dp)if(y.S!=k && y.F+x<=u){
            if(dp[y.F+x]==0){dp[y.F+x]=k; if(y.F+x>=l){con=1; break;}}
        }
        if(con)break;
    }

    for(int i=l;i<=u;i++)if(dp[i]!=0){f=i; break;}

    while(f>0){
        v.pb(dp[f]-1);
        f-=w[dp[f]-1];
    }

    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=1;k<=w.size();k++){
      |                 ~^~~~~~~~~~

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