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Submission #393440

# Submission time Handle Problem Language Result Execution time Memory
393440 2021-04-23T12:39:32 Z chirathnirodha Stove (JOI18_stove) C++17
100 / 100
 25 ms 2992 KB 
//Coded by Chirath Nirodha
#include<bits/stdc++.h>
#define F first
#define S second
#define PB push_back
#define MP make_pair
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
using namespace std;
const ll mod=1e9+7;
inline void io(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
}
void solve(){
    ll n,k;cin>>n>>k;
	ll t[n];
	vector<ll> v;
	for(int i=0;i<n;i++){cin>>t[i];if(i>0)v.PB(t[i]-t[i-1]-1);}
	sort(v.rbegin(),v.rend());
	ll ans=t[n-1]+1-t[0];
	for(int i=0;i<k-1;i++)ans-=v[i];
	cout<<ans<<endl;
}
int main(){
    io();
	solve();
	//int t;cin>>t;for(int i=0;i<t;i++)solve();
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 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 324 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 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 324 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 396 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 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 324 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 396 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 21 ms 2992 KB Output is correct
17 Correct 25 ms 2880 KB Output is correct
18 Correct 25 ms 2900 KB Output is correct
19 Correct 21 ms 2888 KB Output is correct
20 Correct 21 ms 2904 KB Output is correct
21 Correct 23 ms 2916 KB Output is correct
22 Correct 21 ms 2892 KB Output is correct
23 Correct 21 ms 2992 KB Output is correct
24 Correct 21 ms 2888 KB Output is correct