Submission #422816

#	Time	Username	Problem	Language	Result	Execution time	Memory
422816		KienTranluvChaeng	Stove (JOI18_stove)	C++17	100 / 100	27 ms	2976 KiB

stove

#include <bits/stdc++.h>
#define int long long

using namespace std;

const int O = 1e6 + 1;

int a[O];

main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int n, k; cin >> n >> k;
    vector <int> b;
    for (int i = 1; i <= n; ++ i){
        cin >> a[i];
        if (i > 1) b.push_back(a[i] - a[i - 1] - 1);
    }

    int ans = n;
    sort(b.begin(), b.end());
    for (int i = 0; i < n - k; ++ i) ans += b[i];
    cout << ans;
}

Compilation message (stderr)

stove.cpp:10:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   10 | main(){
      | ^~~~

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