Submission #768826

#	Time	Username	Problem	Language	Result	Execution time	Memory
768826		dimashhh	Stove (JOI18_stove)	C++17	50 / 100	72 ms	47696 KiB

stove

#include <bits/stdc++.h>
 
using namespace std;

typedef long long ll;

const int N = 1e6 + 123,MOD = 1e9 + 7;

int n,k;
ll a[N],dp[5100][5100],mn[5100];
void test(){
    cin >> n >> k;
    for(int i = 1;i <= n;i++){
        cin >> a[i];
    }
    mn[0] = -a[1];
    for(int i = 1;i <= k;i++){
        mn[i] = 2e9;
    }
    for(int i = 1;i <= n;i++){
        for(int j = 1;j <= min(i,k);j++){
            dp[i][j] = mn[j - 1] + 1 + a[i];
            //cout << dp[i][j] << ' ';
        }
        for(int j = 1;j <= min(i,k);j++) mn[j] = min(mn[j],dp[i][j] - a[i + 1]);
        
        //cout << '\n';

    }
    cout << dp[n][k];
}
int main(){
    cin.tie(0);ios_base::sync_with_stdio(0);
    int T = 1;
    // cin >> T;
    while(T--){
        test();
    }
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 0 / 50