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Submission #156961

# Submission time Handle Problem Language Result Execution time Memory
156961 2019-10-08T15:58:24 Z a_player Stove (JOI18_stove) C++14
100 / 100
 88 ms 2936 KB 
#include <bits/stdc++.h>

#define f first
#define s second
#define mp make_pair
#define pb push_back

using namespace std;

typedef long long ll;
ll diff[100001];
ll v[100001];
int N,K;
ll s=0;
int main(){
	cin>>N>>K;
	for(int i=0;i<N;i++)cin>>v[i];
	for(int i=0;i<N-1;i++){
	diff[i]=v[i+1]-v[i];
	s+=diff[i];
	}
	sort(diff,diff+(N-1),greater<ll>());
	for(int i=0;i<K-1;i++)s-=diff[i]-1;
	cout<<s+1;
		
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 4 ms 380 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 4 ms 380 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 84 ms 2888 KB Output is correct
17 Correct 88 ms 2908 KB Output is correct
18 Correct 86 ms 2808 KB Output is correct
19 Correct 86 ms 2776 KB Output is correct
20 Correct 84 ms 2808 KB Output is correct
21 Correct 85 ms 2808 KB Output is correct
22 Correct 83 ms 2812 KB Output is correct
23 Correct 84 ms 2936 KB Output is correct
24 Correct 84 ms 2836 KB Output is correct