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Submission #223562

# Submission time Handle Problem Language Result Execution time Memory
223562 2020-04-15T12:39:56 Z Dilshod_Imomov Stove (JOI18_stove) C++17
100 / 100
 37 ms 4600 KB 
# include <bits/stdc++.h>
# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
# define int long long
  
using namespace std;
  
const int N = 2e3 + 7;

int32_t main() {
    speed;
    int n, k;
    cin >> n >> k;

    vector < int > t(n), use(n);
    vector < pair < int, int > > vc;

    for ( int i = 0; i < n; i++ ) {
    	cin >> t[i];
    }
    for ( int i = 1; i < n; i++ ) {
    	vc.push_back( { t[i] - t[i - 1], i } );
    }
    sort( vc.rbegin(), vc.rend() );

    for ( int i = 0; i < k - 1; i++ ) {

    	use[ vc[i].second ] = 1;
    }
    int p = t[0], ans = 0;

    for ( int i = 0; i < n; i++ ) {

    	if ( use[i] ) {
    		ans += (t[i - 1] + 1) - p;
    		p = t[i];
    	}
    }
    ans += (t[n - 1] + 1) - p;

    cout << ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 6 ms 512 KB Output is correct
16 Correct 37 ms 4600 KB Output is correct
17 Correct 32 ms 4600 KB Output is correct
18 Correct 33 ms 4600 KB Output is correct
19 Correct 33 ms 4600 KB Output is correct
20 Correct 33 ms 4600 KB Output is correct
21 Correct 34 ms 4600 KB Output is correct
22 Correct 33 ms 4600 KB Output is correct
23 Correct 33 ms 4600 KB Output is correct
24 Correct 33 ms 4600 KB Output is correct