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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#788263 | #9622. 有限小数 | Evan | WA | 324ms | 4068kb | C++23 | 1.1kb | 2024-11-27 16:23:02 | 2024-11-27 16:23:10 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define gcd __gcd
const int maxd=1E9;
void solve()
{
int a,b,c=1E18,d=0;
scanf("%lld %lld",&a,&b);
int k=b;
while(k%2==0){k=k/2;}
while(k%5==0){k=k/5;}
if(k==1)
{
printf("0 1\n");return;
}
map<int,int> mp;
priority_queue<int,vector<int>,greater<int>> pq;
mp[b]=1;
pq.push(b);
while(!pq.empty())
{
int x=pq.top();pq.pop();
if(5*x<=maxd&&!mp[5*x])
{
mp[5*x]=1;
pq.push(5*x);
}
if(2*x<=maxd&&!mp[2*x])
{
mp[2*x]=1;
pq.push(2*x);
}
int l=0,r=1E18/k;
int y=a*x/b;
while(l<r)
{
int mid=(l+r)/2;
if(mid*k<y){l=mid+1;}
else{r=mid;}
}
while(l*k<y){l++;}
int o=l*k-y;
int m=gcd(o,x);
o=o/m;x=x/m;
if(o<c){c=o;d=x;}
}
printf("%lld %lld\n",c,d);
}
signed main()
{
int tt;
scanf("%lld",&tt);
while(tt--)
{
solve();
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3788kb
input:
4 1 2 2 3 3 7 19 79
output:
0 1 1 3 1 14 3 316
result:
ok 4 case(s)
Test #2:
score: -100
Wrong Answer
time: 324ms
memory: 4068kb
input:
10000 11 12 28 53 17 60 2 35 17 181 80 123 68 141 79 163 71 99 13 64 33 61 15 32 16 61 11 86 33 74 128 143 40 53 7 23 30 31 5 6 86 181 73 91 13 23 71 81 1 2 7 38 117 160 33 83 129 151 88 153 25 58 16 19 19 141 95 124 43 96 71 139 11 59 106 109 93 152 34 43 17 99 1 57 20 159 16 25 5 73 159 170 172 17...
output:
1 12 1 54272 1 60 1 7 1 231680000 23 3936 1 36096000 5 326 1 63360 0 1 1 31232 0 1 1 4880 1 10750 1 18500 1 11714560 1 331250 1 2944 1 31 1 6 1 289600000 1 455000 1 58880 1 51840 0 1 1 304 0 1 1 415 1 19328000 1 765000000 1 4640 1 608 1 72192 3 775 1 48 3 347500 1 944 1 43600 1 76 1 430000 1 6336 1 ...
result:
wrong answer Jury found better answer than participant's 1 < 2 (Testcase 8812)