#include <iostream>
#include <vector>
#define loop(i,a,b) for(int i=a;i<b;i++)
using namespace std;
long long A[300050], B[300050];
void db(){
cout << "\n";
}
template<class T, class ...U>
void db(T XXX, U ...YYY){
cout << XXX << " "; db(YYY...);
}
int main(){
// ios::sync_with_stdio(false); cin.tie(0);
long long N, M;
cin >> N >> M;
loop(i,0,N) cin >> A[i];
loop(i,0,N) cin >> B[i];
long long ok = 0, ng = 1LL << 60;
auto check = [&](long long x) -> bool {
long long day = 0, cost, day_test = 0;
loop(i,0,N){
if(x <= max(A[i], B[i]) * M) day += (x - 1) / max(A[i], B[i]) + 1;
else day += M + (x - max(A[i], B[i]) * M - 1) / B[i] + 1;
cost = x;
cost -= min<long long>(((cost-1) / A[i] + 1), M) * A[i];
day_test += min<long long>(((cost-1) / A[i] + 1), M);
if(cost > 0)
day_test += ((cost-1) / B[i] + 1);
if(day != day_test) exit(0);
if(day > N * M) return 0;
}
return 1;
};
while(ng - ok > 1){
//db();
long long mid = (ng + ok) / 2;
if(check(mid)) ok = mid;
else ng = mid;
}
cout << ok << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |