贪心
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
const int N = 1005;
int n, arr[N];
int main() {
while (scanf("%d", &n) != EOF) {
for (int i = 0; i < n; i++)
scanf("%d", &arr[i]);
int cnt = 0, max, m = n;
while (m) {
max = 30000;
for (int i = 0; i < n; i++) {
if (arr[i] > 0 && arr[i] < max) {
max = arr[i];
arr[i] = -1;
m--;
}
}
cnt++;
}
printf("%d\n", cnt);
}
return 0;
}