Submission #1033605

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033605		_shr104	Stove (JOI18_stove)	C++14	0 / 100	1 ms	348 KiB

stove

#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef long double ld;
#define pb push_back
#define pf push_front
#define fi first
#define se second
const ll mod = 1e9+7;
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    // freopen("test.inp","r",stdin); freopen("test.out","w",stdout); freopen("test.err","w",stderr);
    ll n, k; cin >> n >> k; k--;
    vector<ll> v; ll x; cin >> x;
    ll last = 0, fifi = x;
    for (ll i = 2; i <= n; i++) {ll xx; cin >> xx; v.pb(xx-x-1); x = last = xx;}
    sort(v.begin(),v.end()); ll ans = last-fifi+1;
    while (k--) {ans -= max(0LL,v.back()); v.pop_back();}
    cout << ans;
}

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