Submission #839084

#	Time	Username	Problem	Language	Result	Execution time	Memory
839084		carot15	Kas (COCI17_kas)	C++14	30 / 100	71 ms	2140 KiB

kas

// carot15
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define all(x) begin(x), end(x)
#define mp make_pair
#define cyd {cout<<"Yes";return;}
#define cyn {cout<<"No";return;}
const ll nmax=5e6+5;
const ll mod=1e9+7;
const int X[]={0,0,1,-1};
const int Y[]={-1,1,0,0};
bitset<nmax> bit;
int n,a[505],t=0;
void solve(){
	cin>>n;	
	bit[0]=1;
	for (int i=1;i<=n;i++){
		cin>>a[i];
		t+=a[i];
		bit|=bit<<a[i];
	}
	ll ans=t;
	for (int i=1;i<=t/2;i++){
		if (bit[i]){
			ll p=t-i*2;
			if (bit[p])
				ans=p;
		}
	}
	cout<<ans+(t-ans)/2;
}
/*
z
t-z
*/
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
//	freopen(".INP", "r", stdin);
//	freopen(".OUT", "w", stdout);
	int T=1;
//	cin>>T;
	while(T--){
		solve();
		cout<<'\n';
	}
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 10 / 10
• Subtask 10: 0 / 10