oj.uz

Submission #426829

# Submission time Handle Problem Language Result Execution time Memory
426829 2021-06-14T10:12:17 Z talant117408 Growing Vegetables is Fun 4 (JOI21_ho_t1) C++17
100 / 100
 39 ms 6596 KB 
/*
    Code written by Talant I.D.
*/

#include <bits/stdc++.h>
//~ #include <ext/pb_ds/assoc_container.hpp>
 
//~ using namespace __gnu_pbds;
using namespace std;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
//~ typedef tree <int, null_type, less_equal <int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
 
#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
//~ #define endl "\n"
#define sz(v) int((v).size())
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define OK cout << "OK" << endl;
 
const ll mod = 1e9+7;
 
ll mode(ll a) {
    while (a < 0) {
        a += mod;
    }
    return a % mod;
}
 
ll subt(ll a, ll b) {
    return mode(mode(a)-mode(b));
}
 
ll add(ll a, ll b) {
    return mode(mode(a)+mode(b));
}
 
ll mult(ll a, ll b) {
    return mode(mode(a)*mode(b));
}
 
ll binpow(ll a, ll b) {
    ll res = 1;
    while (b) {
        if (b&1) res = mult(res, a);
        a = mult(a, a);
        b >>= 1;
    }
    return res;
}

int main() {
    do_not_disturb
    
    int n;
    cin >> n;
    vector <ll> a(n), b(n-1), L(n-1), R(n-1);
    for (auto &to : a) cin >> to;
    for (int i = 0; i < n-1; i++) {
        b[i] = a[i+1]-a[i];
    }
    L[0] = max(1-b[0], 0ll);
    R[n-2] = max(1+b[n-2], 0ll);
    for (int i = 1; i < n-1; i++) {
        L[i] = L[i-1]+max(1-b[i], 0ll);
    }
    for (int i = n-3; i >= 0; i--) {
        R[i] = R[i+1]+max(1+b[i], 0ll);
    }
    
    ll ans = min(L[n-2], R[0]);
    for (int i = 0; i < n-2; i++) {
        ans = min(ans, max(L[i], R[i+1]));
    }
    cout << ans;
    
    return 0;
}

Subtask #1
40.0 / 40.0

# 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 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 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 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct

Subtask #2
60.0 / 60.0

# 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 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 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 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 29 ms 6476 KB Output is correct
27 Correct 31 ms 6476 KB Output is correct
28 Correct 39 ms 6588 KB Output is correct
29 Correct 33 ms 6572 KB Output is correct
30 Correct 30 ms 6476 KB Output is correct
31 Correct 29 ms 6476 KB Output is correct
32 Correct 29 ms 6488 KB Output is correct
33 Correct 33 ms 6588 KB Output is correct
34 Correct 32 ms 6568 KB Output is correct
35 Correct 24 ms 6592 KB Output is correct
36 Correct 25 ms 6592 KB Output is correct
37 Correct 25 ms 6476 KB Output is correct
38 Correct 30 ms 6476 KB Output is correct
39 Correct 32 ms 6572 KB Output is correct
40 Correct 31 ms 6476 KB Output is correct
41 Correct 32 ms 6476 KB Output is correct
42 Correct 30 ms 6476 KB Output is correct
43 Correct 32 ms 6476 KB Output is correct
44 Correct 33 ms 6476 KB Output is correct
45 Correct 31 ms 6476 KB Output is correct
46 Correct 29 ms 6476 KB Output is correct
47 Correct 30 ms 6476 KB Output is correct
48 Correct 33 ms 6596 KB Output is correct