#include <bits/stdc++.h>
using namespace std;
#ifdef MIKU
const string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define dout(...) 39
#endif
#define int long long
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
typedef pair<int, int> pii;
const int MXN = 300005, INF = 3.9e18;
int n, m, a[MXN], b[MXN];
__int128_t DC(__int128_t a, __int128_t b) {
if (a == 0) return 0;
return (a - 1) / b + 1;
}
bool check(__int128_t x) {
auto f = [&](__int128 x, int a, int b) -> __int128_t {
if (DC(x, a) <= m) return m - DC(x, a);
x -= a * m;
return -DC(x, b);
};
__int128_t now = 0;
FOR(i, 0, n) {
if (a[i] > b[i]) now += f(x, a[i], b[i]);
else {
now += m;
now -= DC(x, b[i]);
}
}
return (now >= 0);
}
int miku() {
cin >> n >> m;
FOR(i, 0, n) cin >> a[i];
FOR(i, 0, n) cin >> b[i];
__int128_t l = 0, r = INF;
r *= INF;
while (l + 1 < r) {
__int128_t mid = (l + r) / 2;
(check(mid) ? l : r) = mid;
}
return l;
}
int check() {
int ans = LLONG_MAX;
FOR(i, 0, n) ans = min(ans, max(a[i], b[i]));
return ans;
}
void PRINT() {
debug();
cout << n << ' ' << m << '\n';
FOR(i, 0, n) cout << a[i] << ' ';
cout << '\n';
FOR(i, 0, n) cout << b[i] << ' ';
cout << '\n';
}
int32_t main() {
cin.tie(0) -> sync_with_stdio(false);
cin.exceptions(cin.failbit);
// cout << miku() << '\n';
int t;
cin >> t;
while (t--) {
int x = miku();
int y = check();
if (x != y) {
PRINT();
return 0;
}
}
return 0;
}
Compilation message
Main.cpp: In function 'void PRINT()':
Main.cpp:66:5: error: 'debug' was not declared in this scope
66 | debug();
| ^~~~~
