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Submission #474706

# Submission time Handle Problem Language Result Execution time Memory
474706 2021-09-19T13:44:37 Z irmuun Stove (JOI18_stove) C++17
100 / 100
 66 ms 3052 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
ll p[100001],a,b,ans,c,i;
vector<ll>v;
int main(){
	cin>>a>>b;
	for(i=1;i<=a;i++){
		cin>>p[i];
		if(i>1){
			v.pb(p[i]-p[i-1]-1);
		}
	}
	ans=p[a]-p[1]+1;
	if(a<=b){
		cout<<a<<endl;
		v.clear();
	}
	else{
		b--;
		sort(v.begin(),v.end());
		c=a-2;
		for(i=1;i<=b;i++){
			ans-=v[c];
			c--;
		}
		cout<<ans<<endl;
	}
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 324 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 324 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 58 ms 2980 KB Output is correct
17 Correct 54 ms 2924 KB Output is correct
18 Correct 61 ms 3052 KB Output is correct
19 Correct 52 ms 2872 KB Output is correct
20 Correct 57 ms 2856 KB Output is correct
21 Correct 66 ms 2856 KB Output is correct
22 Correct 53 ms 2872 KB Output is correct
23 Correct 55 ms 2844 KB Output is correct
24 Correct 53 ms 2896 KB Output is correct