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Submission #644366

# Submission time Handle Problem Language Result Execution time Memory
644366 2022-09-24T12:43:02 Z vladislav11 Stove (JOI18_stove) C++14
100 / 100
 20 ms 2072 KB 
#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n, k;
    cin >> n >> k;
    k--;
    
    if ( n == 1 )
    {
        cout << 1;
        return 0;
    }
    
    vector<int> t(n);
    
    for ( auto& el : t )
        cin >> el;
    
    vector<int> a(n-1);
    
    for ( int i=0; i<a.size(); i++ )
        a[i] = t[i+1] - t[i] - 1;
    
    sort( a.begin(), a.end(), greater<int>() );
    
    int ans = t.back() - t[0] + 1;
    
    for ( int i=0; i<a.size() && i<k; i++ )
        ans -= a[i];
    
    cout << ans;
    
    return 0;
}

Compilation message

stove.cpp: In function 'int main()':
stove.cpp:27:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for ( int i=0; i<a.size(); i++ )
      |                    ~^~~~~~~~~
stove.cpp:34:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for ( int i=0; i<a.size() && i<k; i++ )
      |                    ~^~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 332 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 364 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 332 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 364 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 17 ms 1976 KB Output is correct
17 Correct 16 ms 2052 KB Output is correct
18 Correct 20 ms 2072 KB Output is correct
19 Correct 17 ms 2004 KB Output is correct
20 Correct 18 ms 2000 KB Output is correct
21 Correct 17 ms 2060 KB Output is correct
22 Correct 18 ms 2060 KB Output is correct
23 Correct 17 ms 1984 KB Output is correct
24 Correct 16 ms 1992 KB Output is correct