Submission #770577

# Submission time Handle Problem Language Result Execution time Memory
770577 2023-07-01T13:32:44 Z ByeWorld Stove (JOI18_stove) C++14
100 / 100
18 ms 3244 KB
#include <bits/stdc++.h>
//#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define ll long long
#define lf (id<<1)
#define rg (id<<1)|1
//#define mid ((l+r)>>1)
#define int long long
using namespace std;
typedef pair<int,int> pii;
typedef pair<pii, int> ipii;
const int MAXN = 2e5+10;
const int MAXA = 1e6+10;
const int SQRT = 700;
const int MOD = 998244353;
const int LOG = 31;
const int PRIME = 62;

int n, k;
int a[MAXN];
vector <int> dif;

signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin >> n >> k;
	for(int i=1; i<=n; i++) cin >> a[i];
	if(n==1){ cout << "1\n"; exit(0); }

	for(int i=2; i<=n; i++) if(a[i]-a[i-1]-1 != 0) dif.pb(a[i]-a[i-1]-1);
	sort(dif.rbegin(), dif.rend());
	int ans = a[n]-a[1]+1;
	for(int i=0; i<min(k-1, (int)dif.size()); i++) ans -= dif[i];
	cout << ans << '\n';
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 340 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 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 328 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 340 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 340 KB Output is correct
16 Correct 15 ms 3244 KB Output is correct
17 Correct 15 ms 3188 KB Output is correct
18 Correct 15 ms 3156 KB Output is correct
19 Correct 15 ms 3148 KB Output is correct
20 Correct 15 ms 3220 KB Output is correct
21 Correct 15 ms 3156 KB Output is correct
22 Correct 18 ms 3220 KB Output is correct
23 Correct 15 ms 3220 KB Output is correct
24 Correct 15 ms 3164 KB Output is correct