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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#756550 | #9622. 有限小数 | proking# | WA | 0ms | 3500kb | C++14 | 1.6kb | 2024-11-16 20:55:02 | 2024-11-16 20:55:03 |
Judging History
answer
#include <bits/stdc++.h>
#define F(i, a, b) for (int i = a; i <= b; i ++)
#define G(i, a, b) for (int i = a; i >= b; i --)
#define max(a, b) ((a) > (b) ? (a) : (b))
#define min(a, b) ((a) < (b) ? (a) : (b))
#define mx(a, b) ((a) = max(a, b))
#define mn(a, b) ((a) = min(a, b))
#define get getchar()
#define putc putchar
#define outarr(a, L, R) { printf(#a"[%d..%d]", L, R); F(i, L, R) W(a[i]), putc(' ') ; putc('\n'); }
#define out1(x) { printf(#x" = "), W(x), putc('\n'); }
#define out2(x, y) { printf(#x" = "), W(x), printf(" "#y" = "), W(y), putc('\n'); }
#define out3(x, y, z) { printf(#x" = "), W(x), printf(" "#y" = "), W(y), printf(" "#z" = "), W(z), putc('\n'); }
using namespace std;
template <typename Int>
void R(Int &x) {
char c = get; x = 0; Int t = 1;
for (; !isdigit(c); c = get) t = (c == '-' ? -1 : t);
for (; isdigit(c); x = (x << 3) + (x << 1) + c - '0', c = get); x *= t;
}
template <typename Int>
void W(Int x) {
if (x < 0) { putc('-'); x = - x; }
if (x > 9) W(x / 10); putc(x % 10 + '0');
}
#define pb push_back
#define ll long long
const int N = 5e5 + 10;
ll T, a, b, c, d;
int main() {
// freopen("data.in","r",stdin);
for (R(T); T --; ) {
R(a), R(b); int b_ = b;
while (b % 2 == 0) b /= 2;
while (b % 5 == 0) b /= 5;
if (b == 1) {
puts("0");
continue;
}
ll s = 1, c = 1e9;
F(x, 0, 30) {
ll t = s;
F(y, 0, 13) {
if (t > 1e9) break;
ll k = (a * t - 1) / b + 1;
if (k * b - a * t < c)
c = k * b - a * t, d = b * t;
t = t * 5;
}
s = s * 2;
}
W(c), putc(' '), W(d), putc('\n');
}
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3500kb
input:
4 1 2 2 3 3 7 19 79
output:
0 1 3 1 4375 3 316
result:
wrong answer The result is not terminating.(Testcase 2)