oj.uz

답안 #968662

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
968662 2024-04-23T19:54:13 Z RandomUser Baloni (COCI15_baloni) C++17
100 / 100
 42 ms 4004 KB 
#include <bits/stdc++.h>
 
#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define uniq(x) x.erase(unique(all(x)), x.end())
#define rall(x) x.rbegin(), x.rend()
 
using namespace std;
 
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
 
const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e6 + 5;
 
void setIO() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
}
 
int occ[maxn];
int32_t main() {
    setIO();
 
    int n, x;
    cin >> n;
    int ans = 0;
 
    for(int i=0; i<n; i++) {
        cin >> x;
        occ[x]++;
        if(occ[x+1] > 0) occ[x+1]--;
        else ans++;
    }
 
    cout << ans << '\n';
    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 42 ms 3924 KB Output is correct
6 Correct 42 ms 4004 KB Output is correct
7 Correct 35 ms 3408 KB Output is correct
8 Correct 35 ms 3156 KB Output is correct
9 Correct 38 ms 3648 KB Output is correct
10 Correct 39 ms 3420 KB Output is correct