Submission #1086769

#	Time	Username	Problem	Language	Result	Execution time	Memory
1086769		LOLOLO	Baloni (COCI15_baloni)	C++17	100 / 100	41 ms	4040 KiB

baloni

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

#define           s     second
#define           f     first
#define           pb    push_back
#define           ep    emplace
#define           eb    emplace_back
#define           lb    lower_bound
#define           ub    upper_bound
#define       all(x)    x.begin(), x.end()
#define      rall(x)    x.rbegin(), x.rend()
#define   uniquev(v)    sort(all(v)), (v).resize(unique(all(v)) - (v).begin())
#define     mem(f,x)    memset(f , x , sizeof(f))
#define        sz(x)    (int)(x).size()
#define  __lcm(a, b)    (1ll * ((a) / __gcd((a), (b))) * (b))
#define          mxx    *max_element
#define          mnn    *min_element
#define    cntbit(x)    __builtin_popcountll(x)
#define       len(x)    (int)(x.length())
 
const int N = 1e6 + 10;
int cnt[N];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;

    int ans = 0;
    for (int i = 0; i < n; i++) {
        int x;
        cin >> x;
        if (cnt[x + 1]) {
            cnt[x + 1]--;
        } else {
            ans++;
        }

        cnt[x]++;
    }

    cout << ans << '\n';
    return 0;
}

• Subtask 1: 100 / 100