Submission #853041

#	Time	Username	Problem	Language	Result	Execution time	Memory
853041		vjudge1	Baloni (COCI15_baloni)	C++17	100 / 100	44 ms	7760 KiB

baloni

#include<bits/stdc++.h>
using namespace std;

using ll = long long;

const int MX = 1e6+5;

void solve() {
    int N;
    cin >> N;
    vector<int> cnt(MX);
    int ans = 0;
    for(int i = 0; i < N; i++) {
        int x;
        cin >> x;
        if(cnt[x] == 0) {
            ans++;
            cnt[x]++;
        }
        cnt[x]--;
        cnt[x-1]++;
    }
    cout << ans << "\n";
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
    // cin >> t;
    while(t--) solve();

    return 0;
}

• Subtask 1: 100 / 100