Submission #378180

# Submission time Handle Problem Language Result Execution time Memory
378180 2021-03-16T06:51:48 Z Atill83 Growing Vegetables is Fun 4 (JOI21_ho_t1) C++14
0 / 100
1 ms 364 KB
#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 3e5+5;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;
ll a[MAXN];
ll pre[MAXN], suf[MAXN];


int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);

    #ifdef Local
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
        freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
    #endif

    cin>>n;

    for(int i = 1; i <= n; i++){
        cin>>a[i];
    }

    for(int i = 1; i <= n; i++){
        pre[i] = pre[i - 1] + max(0LL, a[i - 1] - a[i] + 1); 
    }
    ll ans = INF;
    for(int i = n; i >= 0; i--){
        suf[i] = suf[i + 1] + max(0LL, a[i + 1] - a[i] + 1);
        ans = min(ans, max(suf[i + 1], pre[i - 1]) + max(max(a[i - 1] + pre[i - 1], a[i + 1] + suf[i + 1]) - (a[i] + pre[i - 1] + suf[i + 1]) + 1, 0LL));
    }
    cout<<ans<<endl;

    #ifdef Local
        cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Incorrect 1 ms 364 KB Output isn't correct
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Incorrect 1 ms 364 KB Output isn't correct
7 Halted 0 ms 0 KB -