oj.uz

Submission #306379

# Submission time Handle Problem Language Result Execution time Memory
306379 2020-09-25T10:37:07 Z talant117408 Stove (JOI18_stove) C++17
100 / 100
 28 ms 1408 KB 
/*
	Code written by Talant I.D.
*/
 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair <int, int> pii;
 
#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
#define endl "\n"
#define sz(v) (v).size()
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
 
inline bool isvowel(char ch){
	ch = tolower(ch);
	return (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u');
}
 
inline bool isprime(int n){
	if(n < 2 || (n%2 == 0 && n != 2)) return false;
	for(int i = 3; i*i <= n; i++)
		if(n%i == 0) return false;
	return true;
}

int main(){
	do_not_disturb
	
	int n, k, i;
    cin >> n >> k;
    k--;
    vector <int> v(n);
    for(auto &to : v) cin >> to;
    sort(all(v));
    int ans = v.back()+1-v[0];
    
    vector <int> times;
    for(i = 1; i < n; i++){
        times.pb(v[i]-v[i-1]-1);
    }
    sort(rall(times));
    for(i = 0; i < k; i++){
        ans -= times[i];
    }
    cout << ans;
    
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 23 ms 1408 KB Output is correct
17 Correct 28 ms 1408 KB Output is correct
18 Correct 22 ms 1400 KB Output is correct
19 Correct 23 ms 1408 KB Output is correct
20 Correct 22 ms 1408 KB Output is correct
21 Correct 23 ms 1408 KB Output is correct
22 Correct 22 ms 1408 KB Output is correct
23 Correct 24 ms 1408 KB Output is correct
24 Correct 22 ms 1408 KB Output is correct