Submission #166918

#	Time	Username	Problem	Language	Result	Execution time	Memory
166918		apostoldaniel854	Money (IZhO17_money)	C++14	0 / 100	28 ms	23800 KiB

money

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
#define pb push_back
#define dbg(x) cerr << #x << " " << x << "\n"

const int N = 1e6;

int a[1 + N];
vector <int> pos[1 + N];
int in_use[1 + N];

int main() {
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        pos[a[i]].pb (i);
    }
    int ans = 0;
    priority_queue <int> pq;
    for (int i = 1; i <= N; i++) {
        for (auto x : pos[i]) {
            if (in_use[x] == 0) {
                in_use[x] = 1;
                ans++;
            }
            if (x + 1 <= n && !in_use[x + 1])
                in_use[x + 1] = 1;
        }
    }
    cout << ans << "\n";
    return 0;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55