Submission #548193

#	Time	Username	Problem	Language	Result	Execution time	Memory
548193		Pherokung	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	44 ms	6948 KiB

Main

#include<bits/stdc++.h>
using namespace std;
long long n,a[200005],v0[200005],v1[200005],ans=1e18;
int main(){
	scanf("%lld",&n);
	for(int i=1;i<=n;i++) scanf("%lld",&a[i]);
	for(int i=1;i<=n+1;i++) v0[i] = v0[i-1] + max((long long)0,a[i-1]-a[i]+1);
	for(int i=n;i>=0;i--) v1[i] = v1[i+1] + max((long long)0,a[i+1]-a[i]+1);
	for(int i=1;i<=n;i++) ans = min(ans,max(v0[i],v1[i]));
	printf("%lld",ans);
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:5:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 |  scanf("%lld",&n);
      |  ~~~~~^~~~~~~~~~~
Main.cpp:6:29: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |  for(int i=1;i<=n;i++) scanf("%lld",&a[i]);
      |                        ~~~~~^~~~~~~~~~~~~~

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