oj.uz

Submission #473623

# Submission time Handle Problem Language Result Execution time Memory
473623 2021-09-15T18:02:47 Z pluto_ish Stove (JOI18_stove) C++14
100 / 100
 22 ms 2236 KB 
#include <bits/stdc++.h>
 
#define pb push_back
#define ff first
#define ss second
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
const ll INF = (ll)1<<62;
const ll MOD = 1e9+7;
const int iINF = 1<<30;
const double PI = 3.14159265359;

void solve(){
  int n, k;
  cin >> n >> k;
  vector<int> a(n), gap;
  for(int i=0;i<n;i++){
    cin >> a[i];
    if(i)
      gap.pb(a[i]-(a[i-1]+1));
  }  
  int ans = a[n-1]+1 - a[0];
  sort(gap.rbegin(), gap.rend());
  int parts = 1;
  for(int i=0;parts < k;i++){
    //cout << gap[i] << " ";
    ans -= gap[i];
    parts++;
  }

  cout << ans << "\n";
}

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);

  int t = 1;
  //cin >> t;
  while(t--){
    solve();
  }  
  
  return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 324 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 22 ms 2128 KB Output is correct
17 Correct 22 ms 2236 KB Output is correct
18 Correct 21 ms 2132 KB Output is correct
19 Correct 22 ms 2128 KB Output is correct
20 Correct 22 ms 2168 KB Output is correct
21 Correct 22 ms 2128 KB Output is correct
22 Correct 22 ms 2128 KB Output is correct
23 Correct 22 ms 2168 KB Output is correct
24 Correct 22 ms 2216 KB Output is correct