Submission #853424

#	Time	Username	Problem	Language	Result	Execution time	Memory
853424		aymanrs	Money (IZhO17_money)	C++14	100 / 100	887 ms	58456 KiB

money

#include<bits/stdc++.h>
using namespace std;
void solve(){
    int n;
    cin >> n;
    int a[n];
    int ans = 0;
    set<int> s;
    for(int i = 0;i < n;i++) cin >> a[i];
    for(int i = 0;i < n;){
        ans++;
        int j = i;
        for(;j < n && (j == i || a[j] >= a[j-1]) && (a[i] == a[j] || s.lower_bound(a[i]+1) == s.lower_bound(a[j]));j++);
        for(;i < j;i++) s.insert(a[i]);
    }
    cout << ans << '\n';

}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    solve();
}

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 20 / 20
• Subtask 4: 55 / 55