Submission #260337

# Submission time Handle Problem Language Result Execution time Memory
260337 2020-08-10T05:58:54 Z terencehill Stove (JOI18_stove) C++14
100 / 100
30 ms 2844 KB
#include <bits/stdc++.h>
#define all(X) (X).begin(),(X).end()
#define rall(X) (X).rbegin(),(X).rend()
#define pub push_back
#define puf push_front
#define pob pop_back
#define pof pop_front
#define ff first
#define ss second
#define P 1000000007
#define in(x, a, b) (a <= x && x < b)

using namespace std;
using ll = long long;
typedef pair<int, int> ii;
typedef vector<ii> vii; 
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<vii> vvii;
const ll inf = 1000000001, INF = (ll)1e18 + 1;

void solve() {
	int n, k;
	cin >> n >> k;
	
	vi t(n);
	for(int i = 0; i < n; i++) cin >> t[i];

	vii dif;
	for(int i = 1; i < n; i++) dif.emplace_back(t[i] - t[i - 1], i - 1);
	
	sort(all(dif));
	reverse(all(dif));
	
	int ans = 0;
	for(int i = 0; i < k - 1; i++) {
		ans += t[dif[i].ss + 1] - t[dif[i].ss] - 1; 	
	}
	
	cout << t.back() - t[0] - ans + 1 << endl;
}

int main(){
	ios_base::sync_with_stdio(false);
	solve();
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 388 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 388 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 388 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 28 ms 2844 KB Output is correct
17 Correct 29 ms 2812 KB Output is correct
18 Correct 29 ms 2808 KB Output is correct
19 Correct 28 ms 2812 KB Output is correct
20 Correct 29 ms 2812 KB Output is correct
21 Correct 30 ms 2812 KB Output is correct
22 Correct 29 ms 2804 KB Output is correct
23 Correct 29 ms 2812 KB Output is correct
24 Correct 30 ms 2812 KB Output is correct