Submission #718467

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
718467	2023-04-04T07:22:39 Z	shoryu386	Stove (JOI18_stove)	C++17	100 / 100	56 ms	2800 KB

stove

#include <bits/stdc++.h>
using namespace std;

#define int long long

main(){
	int n, k; cin >> n >> k; int arr[n];
	for (int x= 0; x < n; x++) cin >> arr[x];
	
	sort(arr, arr+n);
	int ans = arr[n-1] - arr[0] + 1;
	vector<int> diffs;
	for (int x = 1; x < n; x++){
		diffs.push_back(arr[x] - arr[x-1] - 1);
	}
	
	sort(diffs.begin(), diffs.end());
	int cnt = 1;
	for (int x = diffs.size()-1; x > -1; x--){
		if (cnt == k) break;
		cnt++;
		ans -= diffs[x];
		if (cnt == k) break;
	}
	
	cout << ans;
}

Compilation message

stove.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){
      | ^~~~

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	1 ms	296 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 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	1 ms	296 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	2 ms	324 KB	Output is correct
12	Correct	2 ms	312 KB	Output is correct
13	Correct	2 ms	348 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	2 ms	308 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	1 ms	296 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	304 KB	Output is correct
7	Correct	1 ms	296 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	2 ms	324 KB	Output is correct
12	Correct	2 ms	312 KB	Output is correct
13	Correct	2 ms	348 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	2 ms	308 KB	Output is correct
16	Correct	50 ms	2732 KB	Output is correct
17	Correct	56 ms	2772 KB	Output is correct
18	Correct	50 ms	2688 KB	Output is correct
19	Correct	49 ms	2756 KB	Output is correct
20	Correct	49 ms	2784 KB	Output is correct
21	Correct	47 ms	2688 KB	Output is correct
22	Correct	50 ms	2800 KB	Output is correct
23	Correct	55 ms	2684 KB	Output is correct
24	Correct	49 ms	2736 KB	Output is correct