#include <iostream>
#include <map>
#include <set>
#include <vector>
#include <algorithm>
using namespace std;
int main()
{
int n;
cin >> n;
map<int, int> map;
for (int i = 0; i < n; i++) {
int a;
cin >> a;
map[a]++;
}
vector<int> vec(0);
for (pair<int, int> p : map)
{
vec.push_back(p.second);
}
sort(vec.begin(), vec.end(), greater<int>());
int res = 0;
int i = 0; int j = vec.size() - 1;
while (i < j) {
int high = vec[i];
int sum = 0;
while (i < j) {
sum += vec[j];
j--;
if (high <= sum) {
j++;
break;
}
}
i++;
if (i == j) {
i++;
break;
}
}
cout << i;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | #include <iostream> #include <map> #include <set> #include <vector> #include <algorithm> using namespace std; int main() { int n; cin >> n; map<int, int> map; for (int i = 0; i < n; i++) { int a; cin >> a; map[a]++; } vector<int> vec(0); for (pair<int, int> p : map) { vec.push_back(p.second); } sort(vec.begin(), vec.end(), greater<int>()); int res = 0; int i = 0; int j = vec.size() - 1; while (i < j) { int high = vec[i]; int sum = 0; while (i < j) { sum += vec[j]; j--; if (high <= sum) { j++; break; } } i++; if (i == j) { i++; break; } } cout << i; } |
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