Submission #1307172

#	Time	Username	Problem	Language	Result	Execution time	Memory
1307172		jahongir	Bigger segments (IZhO19_segments)	C++20	0 / 100	1 ms	576 KiB

segments

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define all(a) a.begin(),a.end()

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef unsigned long long ull;
typedef vector<int> vi;


const int mxn = 2e5+1;
ll pref[mxn];


void solve(){
    int n; cin >> n;

    for(int i = 1; i <= n; i++){
        cin >> pref[i]; pref[i] += pref[i-1];
    }

    int ans = 0;
    for(int i = 1; i <= n; i++){
        int cnt = 1, last = i, last2 = 0;
        for(int j = i+1; j <= n; j++){
            if(pref[j]-pref[last] >= pref[last]-pref[last2]){
                cnt++;
                last2 = last;
                last = j;
            }
        }
        if(last==n) ans = max(ans,cnt);
    }

    cout << ans << '\n';
}   


signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    // cin >> t;
    while(t--){solve();}
}

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