Submission #556343

#	Time	Username	Problem	Language	Result	Execution time	Memory
556343		ngpin04	Bigger segments (IZhO19_segments)	C++14	0 / 100	1 ms	332 KiB

segments

#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define TASK ""
#define ALL(x) (x).begin(), (x).end() 
using namespace std;
template <typename T1, typename T2> bool mini(T1 &a, T2 b) {
	if (a > b) {a = b; return true;} return false;
}
template <typename T1, typename T2> bool maxi(T1 &a, T2 b) {
	if (a < b) {a = b; return true;} return false;
}
const int N = 5e5 + 5; 
const int oo = 1e9;
const long long ooo = 1e18;
const int mod = 1e9 + 7; // 998244353;
const long double pi = acos(-1);

int a[N];
int n;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	#ifdef ONLINE_JUDGE
	// freopen(TASK".inp","r",stdin);
	// freopen(TASK".out","w",stdout);
	#endif
	cin >> n;
	for (int i = 1; i <= n; i++)
		cin >> a[i];

	long long cur = 0;
	long long tot = 0;
	int ans = 0;
	for (int i = 1, j = 0; i <= n; i++) {
		tot += a[i];
		if (tot >= cur) {
			ans++;
			
			while (j > 0 && (cur + a[j + 1]) <= (tot - a[j + 1])) {
				cur += a[j + 1];
				tot -= a[j + 1];
				j++;
			}
			cur = tot;
			tot = 0;
			j = i;
		}
	}
	cout << ans;
	return 0;
}

• Subtask 1: 0 / 13
• Subtask 2: 0 / 14
• Subtask 3: 0 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27