Submission #915244

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
915244	2024-01-23T14:49:36 Z	SmuggingSpun	Stove (JOI18_stove)	C++14	100 / 100	21 ms	2528 KB

stove

#include<bits/stdc++.h>
#define taskname "stove"
using namespace std;
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	if(fopen(taskname".inp", "r")){
		freopen(taskname".inp", "r", stdin);
	}
	int n, k;
	cin >> n >> k;
	vector<int>t(n);
	for(int& x : t){
		cin >> x;
	}
	priority_queue<int>pq;
	for(int i = 1; i < n; i++){
		pq.push(t[i] - t[i - 1] - 1);
	}
	int ans = t[n - 1] - t[0] + 1;
	for(int i = 1; i < k; i++){
		ans -= pq.top();
		pq.pop();
	}
	cout << ans;
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:7:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |   freopen(taskname".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	460 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	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	460 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	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	460 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	344 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	10 ms	2272 KB	Output is correct
17	Correct	10 ms	2272 KB	Output is correct
18	Correct	10 ms	2528 KB	Output is correct
19	Correct	11 ms	2380 KB	Output is correct
20	Correct	15 ms	2268 KB	Output is correct
21	Correct	19 ms	2272 KB	Output is correct
22	Correct	19 ms	2524 KB	Output is correct
23	Correct	21 ms	2272 KB	Output is correct
24	Correct	19 ms	2272 KB	Output is correct