Submission #1007355

#	Time	Username	Problem	Language	Result	Execution time	Memory
1007355		Alihan_8	Bigger segments (IZhO19_segments)	C++17	0 / 100	0 ms	348 KiB

segments

#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define ar array
#define pb push_back
#define ln '\n'
#define int long long

using i64 = long long;

template <class F, class _S>
bool chmin(F &u, const _S &v){
    bool flag = false;
    if ( u > v ){
        u = v; flag |= true;
    }
    return flag;
}

template <class F, class _S>
bool chmax(F &u, const _S &v){
    bool flag = false;
    if ( u < v ){
        u = v; flag |= true;
    }
    return flag;
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n; cin >> n;

    vector <int> a(n);

    for ( auto &u: a ){
        cin >> u;
    }

    int cnt = 1, lst = a[0], i = 1;

    while ( i < n ){
        int j = i, s = 0;

        while ( j < n && s < lst ){
            s += a[j++];
        }

        if ( s < lst ) break;

        while ( i < j && lst + a[i] <= s - a[i] ){
            s -= a[i];

            lst += a[i++];
        }

        swap(lst, s);

        i = j;

        cnt++;
    }

    cout << cnt;

    cout << '\n';
}

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