Submission #999591

#	Time	Username	Problem	Language	Result	Execution time	Memory
999591		May27_th	Baloni (COCI15_baloni)	C++17	100 / 100	41 ms	7888 KiB

baloni

#include<bits/stdc++.h>
using namespace std;
#define int64_t long long
#define mp make_pair
#define pb push_back
#define all(x) (x).begin(), (x).end()
void Solve(void) {
    int N; cin >> N;
    vector<int> h(1000005);
    int ans = 0;
    for (int i = 1; i <= N; i ++) {
        int x; cin >> x;
        if (h[x] == 0) {
            ans ++;
            h[x - 1] ++;
        } else {
            h[x] --;
            h[x - 1] ++;
        }
    }
    cout << ans << "\n";
}
signed main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    int Tests = 1; // cin >> Tests;
    while (Tests --) {
        Solve();    
    }
}

• Subtask 1: 100 / 100