oj.uz

Submission #945540

# Submission time Handle Problem Language Result Execution time Memory
945540 2024-03-14T04:12:46 Z vjudge1 Stove (JOI18_stove) C++17
100 / 100
 18 ms 3292 KB 
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")

#include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <string>
#include <bitset>
#include <cstdio>
#include <limits>
#include <vector>
#include <climits>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <numeric>
#include <sstream>
#include <cassert>
#include <iomanip>
#include <iostream>
#include <algorithm>
#include <stdio.h>
#include <fstream>
#include <unordered_map>
#define ll long long
#define int long long
#define all(v) v.begin(), v.end()
#define nl '\n'
#define pb push_back
#define sz(s) (int)(s).size()
#define f first
#define s second
using namespace std;
const ll N = 1e6 + 50, MX = 1e18;
void solve(){
    ll n, k;
    cin >> n >> k;
    ll a[n + 1];
    vector <int> v;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    for(int i = 1; i < n; i++){
        v.pb((a[i+1]-a[i]));
    }
    sort(all(v));
    ll ans = n - (n-k);
    for(int i = 0; i <= sz(v)-k; i++){
        ans += v[i];
    }
    cout << ans << nl;
}
signed main(){
    //freopen("lca.in", "r", stdin);
    //freopen("lca.out", "w", stdout);
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    ll ql=1;
    //cin >> ql;
    //tst++;
    while(ql--){
        solve();
    }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 17 ms 3292 KB Output is correct
17 Correct 15 ms 3292 KB Output is correct
18 Correct 18 ms 3288 KB Output is correct
19 Correct 15 ms 3292 KB Output is correct
20 Correct 15 ms 3292 KB Output is correct
21 Correct 15 ms 3292 KB Output is correct
22 Correct 15 ms 3292 KB Output is correct
23 Correct 15 ms 3292 KB Output is correct
24 Correct 15 ms 3292 KB Output is correct