Submission #424777

#	Time	Username	Problem	Language	Result	Execution time	Memory
424777		doowey	Bigger segments (IZhO19_segments)	C++14	0 / 100	1 ms	324 KiB

segments

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = (int)5e5 + 10;
ll A[N];

int main(){
    fastIO;
    int n;
    cin >> n;
    for(int i = 1; i <= n; i ++ ){
        cin >> A[i];
    }
    int en = 1;
    ll las = A[1];
    ll cur = 0;
    int res = 1;
    for(int j = 2; j <= n; j ++ ){
        cur += A[j];
        if(cur >= las){
            while(en + 1 < j && las + A[en + 1] <= cur - A[en + 1]){
                las += A[en + 1];
                cur -= A[en + 1];
                en ++ ;
            }
            res ++ ;
            las = cur;
            en = j;
            cur = 0;
        }
    }
    cout << res << "\n";
    return 0;
}

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