結果
| 問題 | No.456 Millions of Submits! |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2016-12-08 07:37:04 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,494 bytes |
| 記録 | |
| コンパイル時間 | 2,589 ms |
| コンパイル使用メモリ | 183,712 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-06-23 08:07:46 |
| 合計ジャッジ時間 | 4,917 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | WA * 13 |
ソースコード
#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#include <bits/stdc++.h>
using namespace std;
#define getchar getchar_unlocked
#define putchar putchar_unlocked
bool dot;
int in() {
int n, c;
while ((c = getchar()) < '0') {
assert(c != EOF);
}
n = c - '0';
while ((c = getchar()) >= '0') {
n = n * 10 + c - '0';
}
if (c == '.') {
dot = true;
}
return n;
}
void out(int n) {
int res[11], i = 0;
do { res[i++] = n % 10, n /= 10; } while (n);
while (i) putchar(res[--i] + '0');
}
void out2(int n) {
int res[11], i = 0;
for (int j = 0; j < 9; j++) {
res[i++] = n % 10;
n /= 10;
}
while (i) {
putchar(res[--i] + '0');
}
}
void outDouble(double x) {
int t = x;
out(t);
putchar('.');
out2(int((x - t) * 1e9));
putchar('\n');
}
const int H = 17;
const int N = 1 << H;
const double L = 0;
const double R = log(10);
const double LL = -1e100;
const double RR = log(R);
const double dx = R / (1 << H);
const double logDX = log(R) - H * log(2);
const double log00001 = -4 * log(10);
double lg[N + 1];
bool prime[N + 1];
void sieve() {
lg[0] = log(0);
for (int i = 2; i <= N; i++) {
if (!prime[i]) {
double g = log(i);
for (long long j = i; j < N; j *= i) {
for (long long k = j; k < N; k += j) {
prime[k] = true;
lg[k] += g;
}
}
}
}
for (int i = 0; i <= N; i++) {
lg[i] += logDX;
}
}
double elapsed() {
static clock_t curr;
clock_t prev = curr;
curr = clock();
return (double)(curr - prev) / CLOCKS_PER_SEC * 1000;
}
int main() {
elapsed();
int m = in();
sieve();
while (m--) {
int a = in();
int b = in();
int c = in();
int d = dot ? in() : 0;
double t = c + 1e-4 * d;
double logT = lg[c * 10000 + d] - logDX + log00001;
if (b == 0) {
out(exp(logT / a));
continue;
}
if (a == 0) {
out(exp(exp(logT / b)));
continue;
}
int l = 0;
int r = N;
while (r - l > 1) {
int mid = (l + r) / 2;
(a * mid * dx + b * lg[mid] >= logT ? r : l) = mid;
}
double s = (lg[r] - lg[l]) / dx;
double ans = (logT + s * b * l * dx - lg[l] * b) / (s * b + a);
outDouble(exp(ans));
}
}