Submission #345366

#	Time	Username	Problem	Language	Result	Execution time	Memory
345366		shmad	K blocks (IZhO14_blocks)	C++14	18 / 100	1022 ms	504 KiB

blocks

#include <bits/stdc++.h>
 
#define nl '\n'
#define pb push_back
#define E exit(0)
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
#define sz(s) (s).size()

using namespace std;
using ll=long long;
using pii=pair<int,int>;
using pll=pair<ll,ll>;
 
const int N=1e6+5;
const int INF=1e9+7;
const int eps=1e-6;

int mn=INF,a[101],n;

void rec (int pos, int k, int mx=0, int sum=0) {
	if (pos>n && k!=0) return;
	if (pos>n && k==0) { mn=min(mn,sum); return; }
	if (k<0) return;
	rec(pos+1,k-1,a[pos],sum+a[pos]);
	rec(pos+1,k,max(mx,a[pos]),sum-mx+max(mx,a[pos]));
}

void solve() {
	int k;
	cin>>n>>k;
	for (int i=1;i<=n;i++) {
		cin>>a[i];
	}
	rec(1,k);
	cout<<mn;
}

ll test=1;

int main () {
//	freopen(".in","r",stdin);
//	freopen(".out","w",stdout);
    ios_base::sync_with_stdio(0);
	cin.tie();
//	cin>>test;
    while (test--) solve();
    return 0;
}

• Subtask 1: 0 / 14
• Subtask 2: 18 / 18
• Subtask 3: 0 / 21
• Subtask 4: 0 / 47