Submission #1104044

#	Time	Username	Problem	Language	Result	Execution time	Memory
1104044		asdfghjk	Stove (JOI18_stove)	C++14	100 / 100	17 ms	2384 KiB

stove

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define all(x) x.begin(), x.end()
#define F first
#define ld long double
#define S second
using namespace std;
const ll N = 4e5 + 5;
const ll NN = 4e5 + 5;
const ll INF = 1e18;
const ll inf = 1e9;
const ll MOD = 1e9 + 7;
int a[N];
void solve(){
    int n,k;cin >> n>> k;
    for(int i = 1;i <= n;i++){
        cin >> a[i];
    }
    sort(a + 1,a + n+ 1);
    int sum = a[n] - a[1] + 1;
    vector <int> v;
    v.clear();
    for(int i = 2;i <= n;i++){
        v.pb((a[i] - a[i - 1]) - 1);
    }
    sort(all(v));
    for(int i = 1;i < k;i++){
        sum -= v[(v.size() - i)];
    }
    cout << sum;

}
main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
//    fflush(stdout);
    ll abd =1;
//    cin >>abd;
    for(ll i = 1;i <= abd;i++){
        solve();
    }
}

Compilation message (stderr)

stove.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main(){
      | ^~~~

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