Submission #74863431

Source Code Expand

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
const long long INF = (1LL << 62) - (1LL << 31) - 1;

int main() {
    int N;
    cin >> N;
    vector<int> L(N);
    for (auto& x : L) {
        cin >> x;
    }
    int ans = 0;
    for (int bit = 0; bit < (1<<N); ++bit) {
        int cnt = 0;
        ll sum = 0;
        bool f;
        for (int i = 0; i < N; i++) {
            if (sum >= 0) {
                f = true;
            } else {
                f = false;
            }
            if (bit & (1 << i)) {
                sum += L[i];
                if (f) {
                    if (sum < 0) {
                        cnt++;
                    }
                } else {
                    if (sum >= 0) {
                        cnt++;
                    }
                }
            } else {
                sum -= L[i];
                if (f) {
                    if (sum < 0) {
                        cnt++;
                    }
                } else {
                    if (sum >= 0) {
                        cnt++;
                    }
                }
            }
        }
        ans = max(ans, cnt);
    }
    cout << ans << "\n";
    return 0;
}

Submission Info

Submission Time
Task C - Sneaking Glances
User takakan448
Language C++23 (GCC 15.2.0)
Score 300
Code Size 1280 Byte
Status AC
Exec Time 66 ms
Memory 3624 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 3420 KiB
sample_02.txt AC 1 ms 3588 KiB
sample_03.txt AC 61 ms 3436 KiB
test_01.txt AC 1 ms 3388 KiB
test_02.txt AC 1 ms 3580 KiB
test_03.txt AC 1 ms 3424 KiB
test_04.txt AC 1 ms 3624 KiB
test_05.txt AC 65 ms 3588 KiB
test_06.txt AC 33 ms 3436 KiB
test_07.txt AC 65 ms 3556 KiB
test_08.txt AC 1 ms 3624 KiB
test_09.txt AC 65 ms 3580 KiB
test_10.txt AC 1 ms 3424 KiB
test_11.txt AC 65 ms 3468 KiB
test_12.txt AC 65 ms 3476 KiB
test_13.txt AC 1 ms 3608 KiB
test_14.txt AC 1 ms 3556 KiB
test_15.txt AC 66 ms 3556 KiB
test_16.txt AC 32 ms 3488 KiB
test_17.txt AC 66 ms 3476 KiB
test_18.txt AC 64 ms 3624 KiB
test_19.txt AC 1 ms 3624 KiB
test_20.txt AC 1 ms 3612 KiB
test_21.txt AC 1 ms 3612 KiB
test_22.txt AC 1 ms 3436 KiB
test_23.txt AC 1 ms 3428 KiB
test_24.txt AC 1 ms 3424 KiB
test_25.txt AC 1 ms 3556 KiB
test_26.txt AC 1 ms 3488 KiB
test_27.txt AC 60 ms 3420 KiB
test_28.txt AC 61 ms 3496 KiB
test_29.txt AC 64 ms 3556 KiB
test_30.txt AC 64 ms 3556 KiB
test_31.txt AC 64 ms 3436 KiB