Submission #906674

#	Time	Username	Problem	Language	Result	Execution time	Memory
906674		imarn	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	27 ms	5208 KiB

Main

#include<bits/stdc++.h>
#define ll long long
#define pii pair<ll,ll>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n;cin>>n;
    ll a[n+1];
    for(int i=1;i<=n;i++)cin>>a[i];
    ll dpl[n+1];dpl[1]=0;
    for(int i=2;i<=n;i++)dpl[i]=dpl[i-1]+(a[i-1]-a[i]>=0?a[i-1]-a[i]+1:0);
    ll dpr[n+2]={0};dpr[n]=0;
    for(int i=n-1;i>=1;i--)dpr[i]=dpr[i+1]+(a[i+1]-a[i]>=0?a[i+1]-a[i]+1:0);
    ll ans=2e18;
    for(int i=1;i<=n;i++)ans=min(ans,max(dpl[i],dpr[i]));cout<<ans;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:19:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   19 |     for(int i=1;i<=n;i++)ans=min(ans,max(dpl[i],dpr[i]));cout<<ans;
      |     ^~~
Main.cpp:19:58: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   19 |     for(int i=1;i<=n;i++)ans=min(ans,max(dpl[i],dpr[i]));cout<<ans;
      |                                                          ^~~~

• Subtask 1: 40 / 40
• Subtask 2: 60 / 60