oj.uz

Submission #665845

# Submission time Handle Problem Language Result Execution time Memory
665845 2022-11-27T13:43:49 Z Bogdan1110 Stove (JOI18_stove) C++14
100 / 100
 22 ms 2648 KB 
#include <bits/stdc++.h>
#define FAST {ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);}
#define FILES {freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);}
#define ll long long
#define ull unsigned long long
#define pqueue priority_queue
#define pb push_back
#define fi first
#define se second
#define ld long double
#define pii pair<int,int>
#define pll pair<long long,long long>
#define all(a) (a).begin(), (a).end()
#define mp make_pair 
#define vii vector<int>
#define vll vector<long long>
using namespace std;
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

#define ordered_set tree<pll, null_type,less<pll>, rb_tree_tag,tree_order_statistics_node_update>
*/
// order_of_key -> # less than k
// find_by_order -> k-th element
// pq max element                                          

const double eps = 0.00000001;
const int NMAX = 200010;
const ll inf = 1000000000000010;
const ll modi = 15485863 ;



void solve() {
	int n,k;
	cin >>n >>k;
	vector<ll>v(n);
	for (int i = 0 ; i < n ; i++ ) {
		cin >> v[i];
	}		
	ll tot = n;
	pqueue<int>pq;
	for (int i = 1 ; i < n ; i++ ) {
		pq.push(-v[i]+v[i-1]+1);
	}
	
	for (int i = 0 ; i < n-k; i++ ) {
		tot -= pq.top();
		pq.pop();
	}
	cout << tot <<endl;
}

int main () {
    FAST
    int t=1;

    /*
    cin >> t;
    //*/

    int i = 1;
    while(t--) {
        //cout << "Case " << i++ << ": " ;
        solve();
    }
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:64:9: warning: unused variable 'i' [-Wunused-variable]
   64 |     int i = 1;
      |         ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 320 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 376 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 22 ms 2648 KB Output is correct
17 Correct 22 ms 2620 KB Output is correct
18 Correct 22 ms 2648 KB Output is correct
19 Correct 21 ms 2644 KB Output is correct
20 Correct 18 ms 2640 KB Output is correct
21 Correct 13 ms 2636 KB Output is correct
22 Correct 15 ms 2640 KB Output is correct
23 Correct 12 ms 2640 KB Output is correct
24 Correct 13 ms 2632 KB Output is correct