Red Huang

Red Huang

uva 10518

費式數列推倒,矩陣作法

//============================================================================  
// Name        : How Many Calls.cpp  
// Date : 2013/5/6 下午3:32:11  
// Author : GCA  
//============================================================================  
#include <iostream>  
#include <cstdio>  
#include <cstring>  
#include <algorithm>  
#include <cmath>  
#include <climits>  
#include <vector>  
#include <set>  
#include <map>  
#include <queue>  
#include <cctype>  
#include <utility>  
using namespace std;  
#ifdef ONLINE\_JUDGE  
#define ll "%lld"  
#else  
#define ll "%lld"  
#endif  
typedef unsigned int uint;  
typedef long long int Int;  
#define Set(a,s) memset(a,s,sizeof(a))  
#define Write(w) freopen(w,"w",stdout)  
#define Read(r) freopen(r,"r",stdin)  
#define Pln() printf("\\n")  
#define I\_de(x,n)for(int i=0;i<n;i++)printf("%d ",x\[i\]);Pln()  
#define De(x)printf(#x"%d\\n",x)  
#define For(i,x)for(int i=0;i<x;i++)  
#define CON(x,y) x##y  
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\\  
    printf("%d ",dp\[htx\]\[hty\]);}Pln();}  
#define M 10011  
#define PII pair<int,int\>  
#define PB push\_back  
#define oo INT\_MAX  
#define Set\_oo 0x3f  
#define Is\_debug true  
#define debug(...) if(Is\_debug)printf("DEBUG: "),printf(\_\_VA\_ARGS\_\_)  
#define FOR(it,c) for(\_\_typeof((c).begin()) it=(c).begin();it!=(c).end();it++)  
#define eps 1e-6  
bool xdy(double x,double y){return x>y+eps;}  
bool xddy(double x,double y){return x>y-eps;}  
bool xcy(double x,double y){return x<y-eps;}  
bool xcdy(double x,double y){return x<y+eps;}  
int min3(int x,int y,int z){  
    int tmp=min(x,y);  
    return min(tmp,z);  
}  
int max3(int x,int y,int z){  
    int tmp=max(x,y);  
    return max(tmp,z);  
}  
Int n,b;  
Int x\[100\]\[4\];  
void powmod(Int n,Int e){  
    if(n==1){  
        x\[e\]\[0\]=0;  
        x\[e\]\[1\]=x\[e\]\[2\]=x\[e\]\[3\]=1;  
        return;  
    }  
    powmod(n/2,e+1);  
    x\[e\]\[0\]=(x\[e+1\]\[0\]\*x\[e+1\]\[0\]+x\[e+1\]\[2\]\*x\[e+1\]\[1\])%b;  
    x\[e\]\[1\]=(x\[e+1\]\[1\]\*x\[e+1\]\[0\]+x\[e+1\]\[3\]\*x\[e+1\]\[1\])%b;  
    x\[e\]\[2\]=(x\[e+1\]\[0\]\*x\[e+1\]\[2\]+x\[e+1\]\[1\]\*x\[e+1\]\[3\])%b;  
    x\[e\]\[3\]=(x\[e+1\]\[1\]\*x\[e+1\]\[2\]+x\[e+1\]\[3\]\*x\[e+1\]\[3\])%b;  
    Int tmp\[4\];  
    if(n&1){  
        tmp\[0\]=(x\[e\]\[0\]\*x\[0\]\[0\]+x\[e\]\[2\]\*x\[0\]\[1\])%b;  
        tmp\[1\]=(x\[e\]\[1\]\*x\[0\]\[0\]+x\[e\]\[3\]\*x\[0\]\[1\])%b;  
        tmp\[2\]=(x\[e\]\[0\]\*x\[0\]\[2\]+x\[e\]\[1\]\*x\[0\]\[3\])%b;  
        tmp\[3\]=(x\[e\]\[1\]\*x\[0\]\[2\]+x\[e\]\[3\]\*x\[0\]\[3\])%b;  
        x\[e\]\[0\]=tmp\[0\];  
        x\[e\]\[1\]=tmp\[1\];  
        x\[e\]\[2\]=tmp\[2\];  
        x\[e\]\[3\]=tmp\[3\];  
    }  
    return;  
  
}  
int main() {  
    ios\_base::sync\_with\_stdio(0);  
    int ff=0;  
    x\[0\]\[0\]=0;  
    x\[0\]\[1\]=x\[0\]\[2\]=x\[0\]\[3\]=1;  
    while(~scanf("%lld%lld",&n,&b)&&b+n){  
        if(n!=0){  
            powmod(n,1);  
            printf("Case %d: %lld %lld %lld\\n",++ff,n,b,(2\*x\[1\]\[3\]+b-1)%b);  
        }  
        else printf("Case %d: %lld %lld 1\\n",++ff,n,b);  
  
    }  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
}  

Loading...
Ownership of this post data is guaranteed by blockchain and smart contracts to the creator alone.