Submission #1316980

#	Time	Username	Problem	Language	Result	Execution time	Memory
1316980		blackscreen1	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++20	100 / 100	18 ms	5052 KiB

Main

#include <bits//stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<long long, null_type, less<long long>, rb_tree_tag,
             tree_order_statistics_node_update>
    ordered_set;
typedef tree<long long, null_type, less_equal<long long>, rb_tree_tag,
             tree_order_statistics_node_update>
    ordered_multiset;
#define ll long long
#define iloop(m, h) for (auto i = m; i != h; i += (m < h ? 1 : -1))
#define jloop(m, h) for (auto j = m; j != h; j += (m < h ? 1 : -1))
#define kloop(m, h) for (auto k = m; k != h; k += (m < h ? 1 : -1))
#define pll pair<ll, ll>
#define INF 1000000000000000
#define MOD1 1000000007
#define MOD2 998244353
#define MOD3 1000000009
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	ll n;
	cin >> n;
	ll a[n-1];
	ll pv = -1, t;
	iloop(0, n) {
		cin >> t;
		if (i) a[i-1] = t - pv;
		pv = t;
	}
	ll pre[n-1], suf[n-1];
	iloop(0, n-1) pre[i] = max(1 - a[i], 0LL) + (i ? pre[i-1] : 0);
	iloop(n-2, -1) suf[i] = max(a[i] + 1, 0LL) + (i != n-2 ? suf[i+1] : 0);
	ll cans = INF;
	iloop(0, n-2) cans = min(cans, max(pre[i], suf[i+1]));
	cout << min({cans, suf[0], pre[n-2]});
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:33:12: warning: argument to variable-length array is too large [-Wvla-larger-than=]
   33 |         ll pre[n-1], suf[n-1];
      |            ^~~
Main.cpp:33:12: note: limit is 9223372036854775807 bytes, but argument is 18446744073709551608
Main.cpp:33:22: warning: argument to variable-length array is too large [-Wvla-larger-than=]
   33 |         ll pre[n-1], suf[n-1];
      |                      ^~~
Main.cpp:33:22: note: limit is 9223372036854775807 bytes, but argument is 18446744073709551608

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