oj.uz

Submission #413334

# Submission time Handle Problem Language Result Execution time Memory
413334 2021-05-28T13:53:11 Z egorlifar Growing Vegetables is Fun 4 (JOI21_ho_t1) C++17
100 / 100
 71 ms 4608 KB 
/*
KAMUI!
▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓ 
▓▓▓▓▓▓▓▓▓▓▓▓▓██████████▓▓▓▓▓▓▓▓▓▓▓▓▓▓ 
▓▓▓▓▓▓▓▓▓▓███▓▓▓▓▓▓▓▓▓▓█████▓▓▓▓▓▓▓▓▓
▓▓▓▓▓▓▓███▓▒▒░▒▒▒▒▒░░░▒▒▒▓▓███▓▓▓▓▓▓▓ 
▓▓▓▓▓▓█▓▒▒▒▓▓████████▓▒▒░▒▒▒▓██▓▓▓▓▓▓
▓▓▓▓██▒▓████████████████▓░▒▒▒▒▓██▓▓▓▓ 
▓▓▓██▓███████▓▒░░░░░░░▒███▒░░▒▒▒██▓▓▓ 
▓▓█████████▓░░░░░░░░░░░░░██▓▓██████▓▓ 
▓▓█▒▓███████████▓▓▒▒▒▓▓██████████▓█▓▓ 
▓██▒▒▒███████████████████████████▓▓█▓ 
▓█▓▒▒░░████████▒░░░░▓███████████▓░▒█▓ 
▓█▒▒▒░██░▒████░░░░░░█████░░████▓░░▒█▓ 
▓█▒▒▒▒██░░░██▓░░░░░░░███▒░░████▒▒▒▒█▓ 
▓█▓▒▒▒██▒░░░▓█▓░░░░░▓█▓░░░▓███▓▒▒░▓█▓ 
▓█▓▒▒▒███░░░░████████▓░░░░░████▒▒▒▓█▓ 
▓▓█▒▒░▓███░░░▒███████▒░░░▒███▓▒▒▒▒█▓▓ 
▓▓██▒▒░████▒░░███████░░░▓███▓░▒▒▒██▓▓ 
▓▓▓██▒▒▒█████▓░░██████▒▓███▓▒░▒▒██▓▓▓ 
▓▓▓▓██▓▒░▓██████████████▓▒░▒▒▒▓██▓▓▓▓ 
▓▓▓▓▓▓██▓░▒▓█████████▒░░▒▒▒▒▓██▓▓▓▓▓▓ 
▓▓▓▓▓▓▓███▓▒▒▓██████▓░▒▒▒▓▓███▓▓▓▓▓▓▓ 
▓▓▓▓▓▓▓▓▓▓▓███▓▓▓▓███▓▓▓████▓▓▓▓▓▓▓▓▓ 
▓▓▓▓▓▓▓▓▓▓▓▓▓███████████▓▓▓▓▓▓▓▓▓▓▓▓▓ 
▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
*/
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>
 
using namespace std;
template<typename T1, typename T2> inline void chkmin(T1 &a, T2 b) {if (a > b) a = b;}
template<typename T1, typename T2> inline void chkmax(T1 &a, T2 b) {if (a < b) a = b;}
#define files(FILENAME) read(FILENAME); write(FILENAME)
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define all(c) (c).begin(), (c).end()
#define sz(c) (int)(c).size()
#define left left228
#define right right228
#define y1 y1228
#define mp make_pair
#define pb push_back
#define y2 y2228
#define rank rank228
using ll = long long;
using ld = long double; 
const string FILENAME = "input";
const int Mod = 1000000007;


int sum(int a, int b) {
    return (a + b >= Mod ? a + b - Mod: a + b);
}


int mul(int a, int b) {
    return ((ll)a * b) % Mod;
}


int powm(int a, int b) {
    int res = 1;
    while (b) {
        if (b & 1) {
            res = mul(res, a);
        }
        a = mul(a, a);
        b >>= 1;
    }
    return res;
}


int inv(int a) {
    return powm(a, Mod - 2);
}



const int MAXN = 200229;


int n;
int a[MAXN];
ll pref[MAXN];


void solve() {
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
    ll cur = 0;
    for (int i = 0; i < n; i++) {
        pref[i] = cur;
        cur += max(0, a[i] - a[i + 1] + 1);
    }   
    ll cur1 = 0;
    ll ans = 1e18;
    for (int i = n - 1; i >= 0; i--) {
        cur1 += max(0, a[i + 1] - a[i] + 1);
        chkmin(ans, max(pref[i], cur1));
    }
    cout << ans << '\n';
}
//21:50


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
   // read(FILENAME);
    int t;
    t = 1;
  //  cin >> t;
    while (t--) {
        solve();
    }
    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 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 340 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 340 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 336 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 2 ms 356 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 1 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 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 340 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 340 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 336 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 2 ms 356 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 1 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 368 KB Output is correct
26 Correct 34 ms 4524 KB Output is correct
27 Correct 28 ms 4460 KB Output is correct
28 Correct 27 ms 4500 KB Output is correct
29 Correct 34 ms 4560 KB Output is correct
30 Correct 26 ms 3888 KB Output is correct
31 Correct 27 ms 4564 KB Output is correct
32 Correct 27 ms 4552 KB Output is correct
33 Correct 27 ms 4604 KB Output is correct
34 Correct 29 ms 4512 KB Output is correct
35 Correct 22 ms 3720 KB Output is correct
36 Correct 22 ms 3904 KB Output is correct
37 Correct 27 ms 3908 KB Output is correct
38 Correct 27 ms 4564 KB Output is correct
39 Correct 31 ms 4548 KB Output is correct
40 Correct 33 ms 4548 KB Output is correct
41 Correct 27 ms 4472 KB Output is correct
42 Correct 35 ms 4292 KB Output is correct
43 Correct 28 ms 4544 KB Output is correct
44 Correct 32 ms 4436 KB Output is correct
45 Correct 32 ms 4492 KB Output is correct
46 Correct 71 ms 4500 KB Output is correct
47 Correct 27 ms 4608 KB Output is correct
48 Correct 27 ms 4524 KB Output is correct