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Record Detail

Wrong Answer


  
# Status Time Cost Memory Cost
#1 Accepted 2ms 1.27 MiB
#2 Accepted 2ms 1.32 MiB
#3 Wrong Answer 2ms 1.27 MiB
#4 Wrong Answer 2ms 1.27 MiB

Code

#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define endl '\n'
#define Endl '\n'

using namespace std;

const int N = 2e5 + 5;
int tc, n, k, x, a[N], pref[N];

void pre() {
    memset(pref, 0, sizeof pref);
    for (int i = 1; i <= n; i++) {
        if (a[i] % x != 0) {
            pref[i] = x - (a[i] % x);
        }
        pref[i] += pref[i - 1];
    }
}

bool isPossible(int st, int en, int move) {
    int sum = pref[en] - pref[st - 1];
    return sum <= move;
}

int maxPossible(int idx, int move) {
    int st = idx, en = n, Ans = -1;
    while (st <= en) {
        int mid = (st + en) / 2;
        if (isPossible(idx, mid, move)) {
            Ans = mid - idx + 1;
            st = mid + 1;
        } else {
            en = mid - 1;
        }
    }
    return Ans;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); // cout.tie(0);
    cin >> n >> k >> x;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    ++x;
    pre();

    int Ans = 0;
    for (int i = 1; i <= n; i++) {
        Ans = max(Ans, maxPossible(i, k));
    }

    cout << Ans << endl;

    return 0;
}

Information

Submit By
Type
Submission
Problem
P1043 Longest subarray
Contest
TLE_Headquarters - round #1
Language
C++17 (G++ 13.2.0)
Submit At
2024-03-27 17:57:00
Judged At
2024-11-11 03:37:22
Judged By
Score
1
Total Time
2ms
Peak Memory
1.32 MiB