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Submission #337107

# Submission time Handle Problem Language Result Execution time Memory
337107 2020-12-18T13:35:23 Z beepbeepsheep Stove (JOI18_stove) C++17
100 / 100
 21 ms 1028 KB 
#include <bits/stdc++.h>

using namespace std;
#define ll long long

const ll bignum=1e17;
const int inf= 2e9;
const int mod= 1e9+7;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll n,k,prev,curr;
    cin>>n>>k;
    vector<int> dis;
    cin>>prev;
    if (n==1){
        cout<<1;
        return 0;
    }
    ll ans=-prev;
    for (int i=1;i<n;i++){
        cin>>curr;
        dis.push_back(curr-prev-1);
        prev=curr;
    }
    ans+=curr+1;
    sort(dis.begin(),dis.end());
    for (int i=0;i<k-1;i++){
        ans-=dis[n-i-2];
    }
    cout<<ans;
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 21 ms 1008 KB Output is correct
17 Correct 21 ms 1008 KB Output is correct
18 Correct 20 ms 1008 KB Output is correct
19 Correct 20 ms 1008 KB Output is correct
20 Correct 20 ms 1008 KB Output is correct
21 Correct 20 ms 1008 KB Output is correct
22 Correct 20 ms 1028 KB Output is correct
23 Correct 20 ms 1008 KB Output is correct
24 Correct 21 ms 1008 KB Output is correct