# include <stdio.h>
# include <bits/stdc++.h>
#define _USE_MATH_DEFINES_
#define ll long long
#define ld long double
#define Accepted 0
#define pb push_back
#define mp make_pair
#define sz(x) (int)(x.size())
#define every(x) x.begin(),x.end()
#define F first
#define S second
#define For(i,x,y) for (ll i = x; i <= y; i ++)
#define FOr(i,x,y) for (ll i = x; i >= y; i --)
#define SpeedForce ios_base::sync_with_stdio(0), cin.tie(0)
// ROAD to... Red
using namespace std;
inline bool isvowel (char c) {
c = tolower(c);
if (c == 'a' || c == 'e' || c == 'i' || c == 'y' || c == 'o' || c == 'u') return 1;
return 0;
}
const double eps = 0.000001;
const ld pi = acos(-1);
const int maxn = 1e7 + 9;
const int mod = 1e9 + 7;
const ll MOD = 1e18 + 9;
const ll INF = 1e18 + 123;
const int inf = 2e9 + 11;
const int mxn = 1e6 + 9;
const int N = 1e6 + 123;
const int M = 22;
const int pri = 997;
const int Magic = 2101;
const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
int n, m, k;
int cnt[N];
string s;
int a[N];
vector < int > g[N];
int u[N];
int ans, res;
int cur;
int main () {
cin >> n;
For (i, 1, n) {
cin >> a[i];
cnt[a[i]] ++;
}
sort(a + 1, a + n + 1);
cur = n;
FOr(i, 1e6 + 1, 0) {
cur -= cnt[i];
if (i <= n - cur) {
cout << i;
exit(0);
}
}
return Accepted;
}
// Coded By OB
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
23800 KB |
Output is correct |
2 |
Correct |
27 ms |
23976 KB |
Output is correct |
3 |
Correct |
26 ms |
24000 KB |
Output is correct |
4 |
Correct |
25 ms |
24000 KB |
Output is correct |
5 |
Correct |
26 ms |
24000 KB |
Output is correct |
6 |
Correct |
30 ms |
24000 KB |
Output is correct |
7 |
Correct |
37 ms |
24092 KB |
Output is correct |
8 |
Correct |
86 ms |
24816 KB |
Output is correct |
9 |
Correct |
331 ms |
28192 KB |
Output is correct |
10 |
Correct |
164 ms |
28192 KB |
Output is correct |