답안 #542048

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
542048	2022-03-25T09:09:00 Z	lunchbox	Stove (JOI18_stove)	C++17	100 / 100	20 ms	1696 KB

stove

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

int main() {
	int n, k, ans;
	scanf("%d%d", &n, &k), k--;
	vector<int> a(n);
	for (int &x : a)
		scanf("%d", &x);
	ans = a[n - 1] - a[0] + 1;
	for (int i = 0; i + 1 < n; i++)
		a[i] = a[i + 1] - a[i] - 1;
	a.pop_back();
	sort(a.rbegin(), a.rend());
	for (int i = 0; i < k; i++)
		ans -= a[i];
	printf("%d\n", ans);
	return 0;
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  scanf("%d%d", &n, &k), k--;
      |  ~~~~~^~~~~~~~~~~~~~~~
stove.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |   scanf("%d", &x);
      |   ~~~~~^~~~~~~~~~

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	300 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	304 KB	Output is correct
9	Correct	0 ms	300 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	300 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	304 KB	Output is correct
9	Correct	0 ms	300 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	436 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	300 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	304 KB	Output is correct
9	Correct	0 ms	300 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	436 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	20 ms	1584 KB	Output is correct
17	Correct	19 ms	1580 KB	Output is correct
18	Correct	20 ms	1696 KB	Output is correct
19	Correct	19 ms	1592 KB	Output is correct
20	Correct	19 ms	1580 KB	Output is correct
21	Correct	18 ms	1592 KB	Output is correct
22	Correct	18 ms	1572 KB	Output is correct
23	Correct	18 ms	1572 KB	Output is correct
24	Correct	19 ms	1620 KB	Output is correct