結果
問題 | No.747 循環小数N桁目 Hard |
ユーザー |
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提出日時 | 2018-12-30 19:10:23 |
言語 | C++11 (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 12,932 bytes |
コンパイル時間 | 1,988 ms |
コンパイル使用メモリ | 165,152 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-10-08 07:55:30 |
合計ジャッジ時間 | 5,033 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 120 |
ソースコード
#include <bits/stdc++.h>// #include <boost/multiprecision/cpp_int.hpp>#define int long long#define inf 1000000007#define pa pair<int,int>#define ll long long#define pal pair<double,double>#define ppap pair<pa,int>#define PI 3.14159265358979323846#define paa pair<int,char>#define mp make_pair#define pb push_back#define EPS (1e-10)int dx[8]={0,1,0,-1,1,1,-1,-1};int dy[8]={1,0,-1,0,-1,1,1,-1};using namespace std;class pa3{public:int x;int y,z;pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {}bool operator < (const pa3 &p) const{if(x!=p.x) return x<p.x;if(y!=p.y) return y<p.y;return z<p.z;//return x != p.x ? x<p.x: y<p.y;}bool operator > (const pa3 &p) const{if(x!=p.x) return x>p.x;if(y!=p.y) return y>p.y;return z>p.z;//return x != p.x ? x<p.x: y<p.y;}bool operator == (const pa3 &p) const{return x==p.x && y==p.y && z==p.z;}bool operator != (const pa3 &p) const{return !( x==p.x && y==p.y && z==p.z);}};class pa4{public:int x;int y,z,w;pa4(int x=0,int y=0,int z=0,int w=0):x(x),y(y),z(z),w(w) {}bool operator < (const pa4 &p) const{if(x!=p.x) return x<p.x;if(y!=p.y) return y<p.y;if(z!=p.z)return z<p.z;return w<p.w;//return x != p.x ? x<p.x: y<p.y;}bool operator > (const pa4 &p) const{if(x!=p.x) return x>p.x;if(y!=p.y) return y>p.y;if(z!=p.z)return z>p.z;return w>p.w;//return x != p.x ? x<p.x: y<p.y;}bool operator == (const pa4 &p) const{return x==p.x && y==p.y && z==p.z &&w==p.w;}};class pa2{public:int x,y;pa2(int x=0,int y=0):x(x),y(y) {}pa2 operator + (pa2 p) {return pa2(x+p.x,y+p.y);}pa2 operator - (pa2 p) {return pa2(x-p.x,y-p.y);}bool operator < (const pa2 &p) const{return y != p.y ? y<p.y: x<p.x;}bool operator > (const pa2 &p) const{return x != p.x ? x<p.x: y<p.y;}bool operator == (const pa2 &p) const{return abs(x-p.x)==0 && abs(y-p.y)==0;}bool operator != (const pa2 &p) const{return !(abs(x-p.x)==0 && abs(y-p.y)==0);}};/*class Point{public:double x,y;Point(double x=0,double y=0):x(x),y(y) {}Point operator + (Point p) {return Point(x+p.x,y+p.y);}Point operator - (Point p) {return Point(x-p.x,y-p.y);}Point operator * (double a) {return Point(x*a,y*a);}Point operator / (double a) {return Point(x/a,y/a);}double absv() {return sqrt(norm());}double norm() {return x*x+y*y;}bool operator < (const Point &p) const{return x != p.x ? x<p.x: y<p.y;}bool operator == (const Point &p) const{return fabs(x-p.x)<EPS && fabs(y-p.y)<EPS;}};typedef Point Vector;#define pl pair<int,pas>struct Segment{Point p1,p2;};double dot(Vector a,Vector b){return a.x*b.x+a.y*b.y;}double cross(Vector a,Vector b){return a.x*b.y-a.y*b.x;}bool parareru(Point a,Point b,Point c,Point d){// if(abs(cross(a-b,d-c))<EPS)cout<<"dd "<<cross(a-b,d-c)<<endl;return abs(cross(a-b,d-c))<EPS;}double distance_ls_p(Point a, Point b, Point c) {if ( dot(b-a, c-a) < EPS ) return (c-a).absv();if ( dot(a-b, c-b) < EPS ) return (c-b).absv();return abs(cross(b-a, c-a)) / (b-a).absv();}bool is_intersected_ls(Segment a,Segment b) {if(a.p1==b.p1||a.p2==b.p1||a.p1==b.p2||a.p2==b.p2) return false;if(parareru((a.p2),(a.p1),(a.p1),(b.p2))&¶reru((a.p2),(a.p1),(a.p1),(b.p1))){// cout<<"sss"<<endl;if(dot(a.p1-b.p1,a.p1-b.p2)<EPS) return true;if(dot(a.p2-b.p1,a.p2-b.p2)<EPS) return true;if(dot(a.p1-b.p1,a.p2-b.p1)<EPS) return true;if(dot(a.p1-b.p2,a.p2-b.p2)<EPS) return true;return false;}else return ( cross(a.p2-a.p1, b.p1-a.p1) * cross(a.p2-a.p1, b.p2-a.p1) < EPS ) && ( cross(b.p2-b.p1, a.p1-b.p1) * cross(b.p2-b.p1,a.p2-b.p1) < EPS );}double segment_dis(Segment a,Segment b){if(is_intersected_ls(a,b))return 0;double r=distance_ls_p(a.p1, a.p2, b.p1);r=min(r,distance_ls_p(a.p1, a.p2, b.p2));r=min(r,distance_ls_p(b.p1, b.p2, a.p2));r=min(r,distance_ls_p(b.p1, b.p2, a.p1));return r;}Point intersection_ls(Segment a, Segment b) {Point ba = b.p2-b.p1;double d1 = abs(cross(ba, a.p1-b.p1));double d2 = abs(cross(ba, a.p2-b.p1));double t = d1 / (d1 + d2);return a.p1 + (a.p2-a.p1) * t;}*/string itos( int i ) {ostringstream s ;s << i ;return s.str() ;}int gcd(int v,int b){if(v>b) return gcd(b,v);if(v==b) return b;if(b%v==0) return v;return gcd(v,b%v);}double distans(double x1,double y1,double x2,double y2){double rr=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);return sqrt(rr);}int mod;int extgcd(int a, int b, int &x, int &y) {if (b == 0) {x = 1;y = 0;return a;}int d = extgcd(b, a%b, y, x);y -= a/b * x;return d;}pa operator+(const pa & l,const pa & r) {return {l.first+r.first,l.second+r.second};}int pr[1000010];int inv[1000010];int beki(int wa,int rr,int warukazu){if(rr==0) return 1%warukazu;if(rr==1) return wa%warukazu;wa%=warukazu;if(rr%2==1) return ((ll)beki(wa,rr-1,warukazu)*(ll)wa)%warukazu;ll zx=beki(wa,rr/2,warukazu);return (zx*zx)%warukazu;}double bekid(double w,int r){if(r==0) return 1.0;if(r==1) return w;if(r%2) return bekid(w,r-1)*w;double f=bekid(w,r/2);return f*f;}int comb(int nn,int rr){int r=pr[nn]*inv[rr];r%=mod;r*=inv[nn-rr];r%=mod;return r;}void gya(int ert){pr[0]=1;for(int i=1;i<ert;i++){pr[i]=(pr[i-1]*i)%mod;}for(int i=0;i<ert;i++) inv[i]=beki(pr[i],mod-2,mod);}// cin.tie(0);// ios::sync_with_stdio(false);//priority_queue<pa3,vector<pa3>,greater<pa3>> pq;//sort(ve.begin(),ve.end(),greater<int>());//----------------kokomade tenpure------------int mod2(string s){if((s.back()-'0')%2) return 1;return 0;}int mod3(string s){int a=0;for(auto c:s)a+=c-'0';return a%3;}signed main(){cin.tie(0);ios::sync_with_stdio(false);string n,k;cin>>n>>k;int m2=mod2(n);int m3=mod3(n);int sita;if(m2==0 && m3==0) sita=0;if(m2==1 && m3==1) sita=1;if(m2==0 && m3==2) sita=2;if(m2==1 && m3==0) sita=3;if(m2==0 && m3==1) sita=4;if(m2==1 && m3==2) sita=5;string ans="428571";if(sita==0){cout<<ans[0]<<endl;return 0;}if(sita==1){cout<<ans[1]<<endl;return 0;}if(sita==4){cout<<ans[4]<<endl;return 0;}if(sita==3){cout<<ans[3]<<endl;return 0;}if(sita==2){if(mod2(k))cout<<ans[2]<<endl;else cout<<ans[4]<<endl;return 0;}if(sita==5){if(mod2(k))cout<<ans[5]<<endl;else cout<<ans[1]<<endl;}return 0;}