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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#737549#9622. 有限小数fishcathuRE 0ms0kbC++203.5kb2024-11-12 16:10:512024-11-12 16:10:52

Judging History

你现在查看的是最新测评结果

  • [2024-11-12 16:10:52]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:0kb
  • [2024-11-12 16:10:51]
  • 提交

answer

#include<bits/stdc++.h>
#define ls i<<1
#define rs i<<1|1
#define fi first
#define se second
#define min amin
#define max amax
#define eb emplace_back
using namespace std;
using ll=long long;
using LL=__int128;
using pii=pair<int,int>;
const int N=2E5+10;
const int inf=1E9;
const int p=998244353;
template<typename T=int>T read(){T x;cin>>x;return x;}
template<typename U,typename V>U min(const U &x,const V &y){return x<y?x:y;}
template<typename U,typename V>U max(const U &x,const V &y){return y<x?x:y;}
template<typename U,typename ...V>U min(const U &x,const V &...y){return min(x,min(y...));}
template<typename U,typename ...V>U max(const U &x,const V &...y){return max(x,max(y...));}
template<typename U,typename V>bool cmin(U &x,const V &y){return y<x?x=y,true:false;}
template<typename U,typename V>bool cmax(U &x,const V &y){return x<y?x=y,true:false;}
template<typename U,typename ...V>bool cmin(U &x,const V &...y){return cmin(x,min(y...));}
template<typename U,typename ...V>bool cmax(U &x,const V &...y){return cmax(x,max(y...));}
template<typename T>T qpow(T x,int n){T y(1);for(;n;n>>=1,x*=x)if(n&1)y*=x;return y;}
ll sqrt_floor(const ll &x){ll l=0,r=INT_MAX;while(l+1^r){ll mid=l+r>>1;(x<mid*mid?r:l)=mid;}return l;}
ll sqrt_ceil(const ll &x){ll l=-1,r=INT_MAX;while(l+1^r){ll mid=l+r>>1;(mid*mid<x?l:r)=mid;}return r;}
istream &operator>>(istream &is,LL &x){string a;is>>a;bool k=a[0]=='-';if(k)a=a.substr(1);x=0;for(char &t:a)x=x*10+t-48;if(k)x=-x;return is;}
ostream &operator<<(ostream &os,LL x){if(x<0)os<<'-',x=-x;string a;do a+=x%10|48;while(x/=10);reverse(a.begin(),a.end());return os<<a;}
mt19937 rng(time(0));
struct mint{
    int x;
    mint():x(){}
    mint(const int &x):x(x<0?x+p:x){}
    mint inv()const{return qpow(*this,p-2);}
    mint operator-()const{return mint(x?p-x:x);}
    mint &operator+=(const mint &t){return (x+=t.x)<p?0:x-=p,*this;}
    mint &operator-=(const mint &t){return (x-=t.x)<0?x+=p:0,*this;}
    mint &operator*=(const mint &t){return x=ll(x)*t.x%p,*this;}
    mint &operator/=(const mint &t){return *this*=t.inv();}
    mint operator+(const mint &t)const{return mint(*this)+=t;}
    mint operator-(const mint &t)const{return mint(*this)-=t;}
    mint operator*(const mint &t)const{return mint(*this)*=t;}
    mint operator/(const mint &t)const{return mint(*this)/=t;}
    friend mint operator+(const int &x,const mint &y){return mint(x)+=y;}
    friend mint operator-(const int &x,const mint &y){return mint(x)-=y;}
    friend mint operator*(const int &x,const mint &y){return mint(x)*=y;}
    friend mint operator/(const int &x,const mint &y){return mint(x)/=y;}
    friend istream &operator>>(istream &is,mint &t){return is>>t.x;}
    friend ostream &operator<<(ostream &os,const mint &t){return os<<t.x;}
};

void solve(){
    ll a,b;
    cin>>a>>b;
    ll c=1;
    for(;b%2==0;b/=2)c*=2;
    for(;b%5==0;b/=5)c*=5;
    ll t=inf/b,mn=inf,res;
    for(ll i=1;i<=t;i*=2){
        for(ll j=i;j<=t;j*=5){
            ll x=a*j;
            if(x%c)continue;
            x/=c;
            ll u=((x-1)/b+1)*b-x,v=b*j,z=__gcd(u,v);
            if(x%z||b*j%z)exit(1);
            u/=z;
            v/=z;
            for(;z%2==0;z/=2);
            for(;z%5==0;z/=5);
            if(z^1)exit(1);
            if(cmin(mn,u)){
                res=v;
            }
        }
    }
    cout<<mn<<' '<<res<<'\n';
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int T;
    cin>>T;
    while(T--){
        solve();
    }
    return 0;
}

Details

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Test #1:

score: 0
Runtime Error

input:

4
1 2
2 3
3 7
19 79

output:


result: