Submission #1221458

#	Time	Username	Problem	Language	Result	Execution time	Memory
1221458		gry3125	Infinite Race (EGOI24_infiniterace2)	C++20	0 / 100	30 ms	2628 KiB

Main

#include <bits/stdc++.h>
#define f0r(i,n) for(int i=0;i<n;i++)
typedef long long int ll; 
using namespace std;

int main() {
    int n, q, ans = 0; cin >> n >> q;
    vector<int> a(q), cnt(n), cur(n);
    f0r(i,q) cin >> a[i];
    for (int i = 0; i < q; i++) {
        if (cur[a[i]] == 0) {
            if (a[i] > 0) cur[a[i]] = 1;
            else cur[a[i]] = -1;
            continue;
        }
        if (a[i] > 0 && cur[a[i]] == 1) cnt[a[i]]++;
        if (a[i] > 0) cur[a[i]] = 1;
        else cur[a[i]] = -1;
    }
    for (int i = 0; i < n; i++) {
        ans = max(ans, cnt[i]);
    }
    cout << ans;
    return 0;
}

• Subtask 1: 0 / 29
• Subtask 2: 0 / 34
• Subtask 3: 0 / 22
• Subtask 4: 0 / 15