Submission #653695

#	Time	Username	Problem	Language	Result	Execution time	Memory
653695		ammar2000	Detecting Molecules (IOI16_molecules)	C++17	31 / 100	2 ms	596 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_qith_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
ll n,L,r,q[111];
bool dp[111][1111],vis[111][1111];
vector <int > v;
bool solve(int in,int we)
{
    if (L<=we&&we<=r)
        return 1;
    if (in==n||we>r)
        return 0;
    if (vis[in][we])
    return (dp[in][we]|dp[in][we+q[in]]);
    /*v.pb(in);
    v.pb(q[in]);*/
    vis[in][we]=1;
    dp[in][we]=solve(in+1,we);
    dp[in][we+q[in]]=solve(in+1,we+q[in]);
    return (dp[in][we]|dp[in][we+q[in]]);
}
void res(int in,int we)
{
    if (in==n||we>r)
        return ;
    if (dp[in][we])
    {
           res(in+1,we);
           return ;
    }
    if (dp[in][we+q[in]])
    {
      v.pb(in);
      res(in+1,we+q[in]);
      return ;
    }
    return ;
}
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    n=w.size();
    L=l,r=u;
    int idx=0;
    for (auto i:w)
        q[idx++]=i;
   bool ans=solve(0,0);
   res(0,0);
   return v;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:55:9: warning: unused variable 'ans' [-Wunused-variable]
   55 |    bool ans=solve(0,0);
      |         ^~~

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