Submission #74891118

Source Code Expand

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

long long int solve(long double pos, vector<long long int>& a, int i, int n, char c){
    if(i == n) return 0;
    
    long long int plus = 0, minus = 0;
    if(c == 'p'){
        plus = solve(pos + a[i], a, i+1, n, 'p');

        if(pos - a[i] > 0){
            minus = solve(pos - a[i], a, i+1, n, 'p');
        }
        else{
            minus = 1 + solve(pos - a[i], a, i+1, n, 'n');
        }
    }

    if(c == 'n'){
        minus = solve(pos - a[i], a, i+1, n, 'n');

        if(pos + a[i] > 0){
            plus = 1 + solve(pos + a[i], a, i+1, n, 'p');
        }
        else{
            plus = solve(pos + a[i], a, i+1, n, 'n');
        }
    }

    return max(plus, minus);
}

int main(){
    int n;
    cin>>n;

    vector<long long int> a(n);
    for(int i = 0; i < n; i++){
        cin>>a[i];
    }

    long long int ans = solve(0.5, a, 0, n, 'p');
    cout<<ans<<endl;
}

Submission Info

Submission Time
Task C - Sneaking Glances
User willjem
Language C++23 (GCC 15.2.0)
Score 300
Code Size 980 Byte
Status AC
Exec Time 12 ms
Memory 3632 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 34
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 3608 KiB
sample_02.txt AC 1 ms 3632 KiB
sample_03.txt AC 12 ms 3424 KiB
test_01.txt AC 1 ms 3424 KiB
test_02.txt AC 1 ms 3576 KiB
test_03.txt AC 1 ms 3380 KiB
test_04.txt AC 1 ms 3424 KiB
test_05.txt AC 12 ms 3580 KiB
test_06.txt AC 7 ms 3568 KiB
test_07.txt AC 12 ms 3424 KiB
test_08.txt AC 1 ms 3424 KiB
test_09.txt AC 12 ms 3424 KiB
test_10.txt AC 1 ms 3424 KiB
test_11.txt AC 12 ms 3608 KiB
test_12.txt AC 12 ms 3580 KiB
test_13.txt AC 1 ms 3516 KiB
test_14.txt AC 1 ms 3580 KiB
test_15.txt AC 12 ms 3632 KiB
test_16.txt AC 7 ms 3536 KiB
test_17.txt AC 12 ms 3524 KiB
test_18.txt AC 12 ms 3416 KiB
test_19.txt AC 1 ms 3516 KiB
test_20.txt AC 1 ms 3516 KiB
test_21.txt AC 1 ms 3472 KiB
test_22.txt AC 1 ms 3372 KiB
test_23.txt AC 1 ms 3488 KiB
test_24.txt AC 1 ms 3416 KiB
test_25.txt AC 1 ms 3424 KiB
test_26.txt AC 1 ms 3424 KiB
test_27.txt AC 12 ms 3508 KiB
test_28.txt AC 12 ms 3508 KiB
test_29.txt AC 11 ms 3488 KiB
test_30.txt AC 12 ms 3424 KiB
test_31.txt AC 11 ms 3508 KiB