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1654.cpp
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59 lines (45 loc) · 717 Bytes
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#include <iostream>
#include <vector>
#include <algorithm>
#include <utility>
using namespace std;
int n, k;
vector<int>v;
int big;
void sol(long long front, long long end) {
int c = 0;
int idx = 0;
if (front+1>=end) {
for (int i = k - 1; i >= 0; i--) {
c += (v[i] / end);
}
if (c >= n) {
cout << end;
}
else {
cout << front;
}
return;
}
long long mid = (front + end) / 2;
for (int i = k - 1; i >= 0; i--) {
c += (v[i] / mid);
}
if (c >= n) {
sol(mid, end);
}
else {
sol(front, mid);
}
}
int main() {
cin >> k >> n;
int num;
for (int i = 0; i < k; i++) {
cin >> num;
v.push_back(num);
}
sort(v.begin(), v.end());
sol(1, v[k-1]);
return 0;
}