Submission #810984

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
810984	2023-08-06 18:54:47	tkwiatkowski	Self Study (JOI22_ho_t2)	C++17	0 / 100	427 ms	8416 KiB

Main

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#include <iostream>
#include <vector>
using namespace std;
bool check(long long min_lvl, int m, vector<int> &A, vector<int> &B) {
    long long cnt = 0;
    int n = A.size();
    for (int i = 0; i < n; ++i) {
        int a = max(A[i], B[i]);
        int b = B[i];
        long long curr_cnt = min((long long)m, (min_lvl + a - 1) / a);
        cnt += curr_cnt + max((long long)0, (min_lvl - curr_cnt * a + b - 1) / b);
    }
    return cnt <= (long long)n * m;
}
long long BS(int m, vector<int> &A, vector<int> &B) {
    long long lo = 0, hi = 1e18;
    while (lo < hi) {
        long long mid = (lo + hi + 1) / 2;
        if (check(mid, m, A, B))
            lo = mid;
        else
            hi = mid - 1;
    }
    return lo;
}
int main() {
    ios_base::sync_with_stdio(0);
 
 
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