제출 #1240391

#제출 시각아이디문제언어결과실행 시간메모리
1240391ayathkInfinite Race (EGOI24_infiniterace2)C++20
0 / 100
30 ms1860 KiB
#include <bits/stdc++.h>
using namespace std;
#define fi first 
#define se second 
#define all(a) a.begin(),a.end()
#define pb push_back

signed main(){
    int n,q;
    cin>>n>>q;

    vector <int> a(q);
    vector <int> vis(n + 1, 0);

    int cnt = 0,mx = 0;
    for(int i = 0;i < q;i++){
        cin>>a[i];
        if(i > 0 && a[i] == a[i - 1])cnt++;
        vis[a[i]]++;
        mx = max(mx,vis[a[i]]);
    }
    
    cnt = max(cnt, mx - 1);
    cout<<cnt<<'\n';
}
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