Submission #1268770

#	Time	Username	Problem	Language	Result	Execution time	Memory
1268770		picrad	Stove (JOI18_stove)	C++20	20 / 100	1 ms	328 KiB

stove

#include<bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
using namespace std;
typedef long long ll;
typedef double dbl;
typedef pair<ll,ll> pii;

const int maxn = 1e5+5;
ll N,K,T[maxn],ans;

int main(){
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    cin >> N >> K;
    priority_queue<ll> pq;
    for(int i =1; i <= N; i++){
        cin >> T[i];
        pq.push(T[i]-T[i-1]-1);
    }
    ans = T[N] - T[1] + 1;
    //cout << ans << '\n';
    K--;
    while(K-- && !pq.empty()){
        auto cur = pq.top();
        pq.pop();
        ans -= cur;
    }
    cout << ans << '\n';
}

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