Submission #765296

#	Time	Username	Problem	Language	Result	Execution time	Memory
765296		teokakabadze	Stove (JOI18_stove)	C++17	100 / 100	21 ms	3216 KiB

stove

#include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define int long long
#define N 500002
#define M 1000000007
#define pii pair<int, int>
#define piii pair<pii, int>
using namespace std;

int n, k, i, ans, a[N];
vector<int> v;

main()
{
    std::ios::sync_with_stdio(0);
    cin.tie();

    cin >> n >> k;
    for(i = 0; i < n; i++)
    cin >> a[i];
    ans = n;
    sort(a, a + n);
    for(i = 1; i < n; i++)
    v.pb(a[i] - a[i - 1] - 1);
    sort(v.begin(), v.end());
    for(i = 0; i < n - k; i++)
    ans += v[i];
    cout << ans << '\n';
}

Compilation message (stderr)

stove.cpp:15:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   15 | main()
      | ^~~~

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