Submission #399409

# Submission time Handle Problem Language Result Execution time Memory
399409 2021-05-05T17:23:56 Z SavicS Stove (JOI18_stove) C++14
100 / 100
22 ms 2272 KB
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>

#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define ff(i,a,b) for(int i=a;i<=b;i++)
#define fb(i,b,a) for(int i=b;i>=a;i--)

using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 100005;
const int inf = 1e9 + 5;

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

int n, K;
int niz[maxn];

int main() 
{
    ios::sync_with_stdio(false);
    cout.tie(nullptr);
    cin.tie(nullptr);
    cin >> n >> K;
    ff(i,1,n)cin >> niz[i];

    vector<int> vec;
    ff(i,2,n)vec.pb(niz[i] - niz[i - 1]);

    ll zbir = 0;
    for(auto c : vec)zbir += c;

    K -= 1;

    sort(rall(vec));
    ff(i,0,min(K, sz(vec)) - 1) {
        zbir -= vec[i];
    }

    cout << zbir + K + 1 << endl;

    return 0;
}
/**



// probati bojenje sahovski ili slicno

**/


# 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 1 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 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
# 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 1 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 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 452 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
# 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 1 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 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 452 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 22 ms 2256 KB Output is correct
17 Correct 21 ms 2256 KB Output is correct
18 Correct 20 ms 2260 KB Output is correct
19 Correct 21 ms 2272 KB Output is correct
20 Correct 21 ms 2256 KB Output is correct
21 Correct 21 ms 2256 KB Output is correct
22 Correct 21 ms 2260 KB Output is correct
23 Correct 21 ms 2256 KB Output is correct
24 Correct 21 ms 2264 KB Output is correct