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답안 #926153

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
926153 2024-02-12T15:45:39 Z Yernaz Stove (JOI18_stove) C++14
100 / 100
 17 ms 2368 KB 
#include<bits/stdc++.h>
#define ll            long long	
#define ull 		  unsigned long long
#define pb 			  push_back
#define mk 			  make_pair
#define F 			  first
#define S 			  second
using namespace std;
const int L=1e7+11;
const ll N=2e4+10;
const ll mod=1e9+7;
const ll inf=3e18;
const double pi=3.14159265359;
ll lcm(ll a, ll b){ return (a/__gcd(a,b))*b; }
void solve(){
	int n,k;
	cin>>n>>k;
	int a[n+1];
	for(int i=1; i<=n; i++){
		cin>>a[i];
	}
	if(k>=n){
		cout<<n<<endl;
		return;
	}vector<int>b;
	int ans=k,d=n-k,i=0;
	for(int i=2; i<=n; i++){
		b.pb(a[i]-a[i-1]);
	}sort(b.begin(), b.end());
	while(i<d){
		ans+=b[i];
		i++;
	}
	cout<<ans<<endl;

}
int main(){	
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
//freopen("input.txt", "r", stdin);
//freopen("output.txt", " w", stdout);
int tt=1;
// cin>>tt; 
while(tt--){
	solve();
}
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 14 ms 2268 KB Output is correct
17 Correct 15 ms 2272 KB Output is correct
18 Correct 15 ms 2364 KB Output is correct
19 Correct 14 ms 2272 KB Output is correct
20 Correct 14 ms 2272 KB Output is correct
21 Correct 15 ms 2344 KB Output is correct
22 Correct 14 ms 2368 KB Output is correct
23 Correct 17 ms 2240 KB Output is correct
24 Correct 16 ms 2272 KB Output is correct