oj.uz

답안 #984396

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
984396 2024-05-16T15:20:49 Z Mr_Husanboy Growing Vegetables is Fun 4 (JOI21_ho_t1) C++17
100 / 100
 28 ms 6492 KB 
//#pragma GCC optimize("Ofast,O3")
//#pragma GCC target("avx,avx2")
#include <bits/stdc++.h>
using namespace std;



#ifdef LOCAL
#include "debugger.cpp"
#else
#define debug(...)
#endif
template<class T>
int len(T &a){
    return a.size();
}

using ll = long long;
using pii = pair<int,int>;
#define all(a) (a).begin(), (a).end()
#define ff first
#define ss second
string fileio = "";

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const int MOD = 1e9 + 7;
const int inf = 1e9;
const ll infl = 1e18;
const int maxn = 1e5 + 1;





void solve(){
    int n; cin >> n;
    vector<int> a(n);
    for(auto &u : a){
        cin >> u;
    }

    vector<ll> lef(n), rig(n);
    for(int i = 1; i < n; i ++){
        lef[i] = lef[i - 1] + max(0, a[i - 1] - a[i] + 1);
    }
    for(int i = n - 2; i>= 0; i --){
        rig[i] = rig[i + 1] + max(0, a[i + 1] - a[i] + 1);
    }
    ll ans = infl;
    for(int i = 0; i < n; i ++){
        ans = min(ans, max(lef[i], rig[i]));
    }
    cout << ans;
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    auto start = chrono::high_resolution_clock::now();
    #ifndef LOCAL
    if(fileio.size()){
        freopen((fileio + ".in").c_str(), "r", stdin);
        freopen((fileio + ".out").c_str(), "w", stdout);
    }
    #endif
    int testcases = 1;
    #ifdef Tests
    cin >> testcases;
    #endif
    while(testcases --){
        solve();
        if(testcases) cout << '\n';
        #ifdef LOCAL
        else cout << '\n';
        cout << "_________________________" << endl;
        #endif
    }
    #ifdef LOCAL
    auto duration = chrono::duration_cast<chrono::microseconds>(chrono::high_resolution_clock::now() - start);
    
    cout << "time: " << (double)duration.count()/1000.0 << " milliseconds" << endl;
    #endif
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:58:10: warning: variable 'start' set but not used [-Wunused-but-set-variable]
   58 |     auto start = chrono::high_resolution_clock::now();
      |          ^~~~~
Main.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen((fileio + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         freopen((fileio + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 1 ms 348 KB Output is correct

Subtask #2
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 860 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 28 ms 6108 KB Output is correct
27 Correct 20 ms 6392 KB Output is correct
28 Correct 17 ms 6360 KB Output is correct
29 Correct 24 ms 6372 KB Output is correct
30 Correct 15 ms 5600 KB Output is correct
31 Correct 18 ms 6100 KB Output is correct
32 Correct 18 ms 6232 KB Output is correct
33 Correct 17 ms 6492 KB Output is correct
34 Correct 18 ms 6352 KB Output is correct
35 Correct 15 ms 5600 KB Output is correct
36 Correct 20 ms 5460 KB Output is correct
37 Correct 15 ms 5464 KB Output is correct
38 Correct 24 ms 6228 KB Output is correct
39 Correct 18 ms 6236 KB Output is correct
40 Correct 19 ms 6236 KB Output is correct
41 Correct 17 ms 6236 KB Output is correct
42 Correct 18 ms 5916 KB Output is correct
43 Correct 17 ms 6236 KB Output is correct
44 Correct 18 ms 6236 KB Output is correct
45 Correct 18 ms 6236 KB Output is correct
46 Correct 24 ms 6228 KB Output is correct
47 Correct 18 ms 6236 KB Output is correct
48 Correct 22 ms 6484 KB Output is correct