Submission #409972

# Submission time Handle Problem Language Result Execution time Memory
409972 2021-05-21T20:04:16 Z jenkinsser Stove (JOI18_stove) C++17
100 / 100
27 ms 2212 KB
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define st first
#define nd second
#define pii pair<int,int>
#define piii pair<int,pii>
#define sp " "
#define nl "\n"
#define all(x) x.begin(),x.end()
#define fastio() ios_base::sync_with_stdio(0);cin.tie(0);
#define ll long long
 
using namespace std;
 
const int N = 1e5+5;
const int INF = 1e9+5;
const int mod = 1e9+7;

int n,k,a[N],ans;

signed main(){
    fastio()
    cin >> n >> k;
    vector<int> v;
    for(int i=1;i<=n;i++){
        cin >> a[i];
        if(i>1){
            ans+=a[i]-a[i-1];
            v.pb(a[i]-a[i-1]);
        }
    }
    sort(v.rbegin(),v.rend());
    for(int i=0;i<k-1;i++){
        ans-=v[i];
    }
    cout << ans+k << nl;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 320 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
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 320 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 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 320 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 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 27 ms 2124 KB Output is correct
17 Correct 22 ms 2136 KB Output is correct
18 Correct 21 ms 2112 KB Output is correct
19 Correct 24 ms 2124 KB Output is correct
20 Correct 22 ms 2084 KB Output is correct
21 Correct 22 ms 2124 KB Output is correct
22 Correct 22 ms 2188 KB Output is correct
23 Correct 21 ms 2212 KB Output is correct
24 Correct 26 ms 2124 KB Output is correct