Submission #708516

#	Time	Username	Problem	Language	Result	Execution time	Memory
708516		WH8	Bigger segments (IZhO19_segments)	C++14	0 / 100	1 ms	316 KiB

segments

#include <bits/stdc++.h>
using namespace std;
#define iloop(x, n) for (long long i = x; i < n; ++i)
#define jloop(x, n) for (long long j = x; j < n; ++j)
#define kloop(x, n) for (long long k = x; k < n; ++k)
#define dloop(x, n) for (long long d = x; d >= n; --d)
#define ll long long
#define pll pair<long long, long long>
#define pii pair<int, int>
#define vi vector<long long>
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define int long long
#define endl '\n'
#define debug(x) cout << #x << ": " << x << endl
#define FASTIO               \
    ios::sync_with_stdio(false); \
	cin.tie(0);              \
    cout.tie(0);


int32_t main(){
	FASTIO
	int n; cin >> n;
	vi v(n); iloop(0, n) cin >> v[i];
	int prev = 1, csm = 0, cnt = 0;
	iloop(0, n){
		csm += v[i];
		if (csm >= prev){
			cnt++;
			prev = csm;
			csm = 0;
		}
		else if (i == n-1){
			cnt = 1;
		}
	}
	prev = INT_MAX, csm = 0; int ans= 0;
	for (int i = n-1; i >= 0; i--){
		csm += v[i];
		debug(csm);
		if (csm <= prev){
			ans++;
			prev = csm;
			csm = 0;
		}
		else if (i == 0){
			ans = 1;
		}
	}
	cout << max(ans, cnt);
	
}

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