Submission #154699

#	Time	Username	Problem	Language	Result	Execution time	Memory
154699		jovan_b	Stove (JOI18_stove)	C++17	100 / 100	26 ms	2168 KiB

stove

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

typedef long long ll;
typedef long double ld;

int niz[100005];
int g[100005];

int main(){
    ios_base::sync_with_stdio(false);
    cout.precision(10);
    cout<<fixed;

    int n, k;
    cin >> n >> k;
    k--;
    for(int i=1; i<=n; i++){
        cin >> niz[i];
    }
    for(int i=2; i<=n; i++){
        g[i] = niz[i] - niz[i-1] - 1;
    }
    sort(g+1, g+1+n);
    reverse(g+1, g+1+n);
    int res = niz[n]+1-niz[1];
    for(int i=1; i<=k; i++) res -= g[i];
    cout << res;
    return 0;
}

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