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Submission #94474

# Submission time Handle Problem Language Result Execution time Memory
94474 2019-01-19T05:16:08 Z fedoseevtimofey Stove (JOI18_stove) C++14
100 / 100
 22 ms 1912 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0); cout.setf(ios::fixed); cout.precision(20);
    #ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif
    int n, k;
    cin >> n >> k;
    int lst = -1;
    vector <int> dif;
    for (int i = 0; i < n; ++i) {
        int t;
        cin >> t;
        if (lst != -1) {
            dif.push_back(t - lst);
        }
        lst = t + 1;
    }
    int cnt = n;
    int ans = n;
    sort(dif.begin(), dif.end());
    for (auto x : dif) {
        if (cnt > k) {
            --cnt;
            ans += x;
        }
    }
    cout << ans << '\n';
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 20 ms 1912 KB Output is correct
17 Correct 21 ms 1828 KB Output is correct
18 Correct 22 ms 1912 KB Output is correct
19 Correct 21 ms 1912 KB Output is correct
20 Correct 20 ms 1912 KB Output is correct
21 Correct 21 ms 1832 KB Output is correct
22 Correct 20 ms 1912 KB Output is correct
23 Correct 20 ms 1888 KB Output is correct
24 Correct 21 ms 1912 KB Output is correct