Red Huang

Red Huang

uva 10516

這題本質上是 DP

為了加速所以寫了大數的快速冪

dp [i]=dp [i-1]^n+1 感謝網路博客  http://www.cnblogs.com/staginner/archive/2011/12/17/2290920.html

每次都有一個頭然後 n 個連出去的節點

所以每個節點都可以選深度 0~i-1 所有的嚴格 n 元數

可以選的數字就是 dp [i-1] 那麼就是 dp [i-1]^n 可以使用的排列組合

但是別忘記還有一個節點的情況 所以要 + 1

//  
//        GGGGGGGGGGGGG        CCCCCCCCCCCCC               AAA  
//     GGG::::::::::::G     CCC::::::::::::C              A:::A  
//   GG:::::::::::::::G   CC:::::::::::::::C             A:::::A  
//  G:::::GGGGGGGG::::G  C:::::CCCCCCCC::::C            A:::::::A  
// G:::::G       GGGGGG C:::::C       CCCCCC           A:::::::::A  
//G:::::G              C:::::C                        A:::::A:::::A  
//G:::::G              C:::::C                       A:::::A A:::::A  
//G:::::G    GGGGGGGGGGC:::::C                      A:::::A   A:::::A  
//G:::::G    G::::::::GC:::::C                     A:::::A     A:::::A  
//G:::::G    GGGGG::::GC:::::C                    A:::::AAAAAAAAA:::::A  
//G:::::G        G::::GC:::::C                   A:::::::::::::::::::::A  
// G:::::G       G::::G C:::::C       CCCCCC    A:::::AAAAAAAAAAAAA:::::A  
//  G:::::GGGGGGGG::::G  C:::::CCCCCCCC::::C   A:::::A             A:::::A  
//   GG:::::::::::::::G   CC:::::::::::::::C  A:::::A               A:::::A  
//     GGG::::::GGG:::G     CCC::::::::::::C A:::::A                 A:::::A  
//        GGGGGG   GGGG        CCCCCCCCCCCCCAAAAAAA                   AAAAAAA  
#include <iostream>  
#include <cstdio>  
#include <cstring>  
#include <algorithm>  
#include <cmath>  
#include <climits>  
#include <vector>  
#include <set>  
#include <map>  
#include <queue>  
#include <cctype>  
#include <utility>  
#include <ctime>  
using namespace std;  
#ifdef DEBUG  
#define VAR(a,b) decltype(b) a=(b)  
#define debug(...) printf("DEBUG: "),printf(\_\_VA\_ARGS\_\_)  
#define gettime() end\_time=clock();printf("now running time is %.7f\\n",(float)(end\_time - start\_time)/CLOCKS\_PER\_SEC);  
#else  
#define VAR(a,b) \_\_typeof(b) a=(b)  
#define debug(...)  
#define gettime()  
#endif  
typedef unsigned int uint;  
typedef long long int Int;  
typedef unsigned long long int UInt;  
#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 30005  
#define PII pair<int,int\>  
#define PB push\_back  
#define oo INT\_MAX  
#define Set\_oo 0x3f  
#define FOR(a,b) for(VAR(a,(b).begin());a!=(b).end();++a)  
#define eps 1e-6  
#define X first  
#define Y second  
clock\_t start\_time=clock(), end\_time;  
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);  
}  
struct bignum{  
    Int n\[63\];  
    static const int maxn=60;  
    static const int base\=10000;  
    bignum(){  
        Set(n,0);  
    }  
    bignum(Int x){  
        Set(n,0);  
        n\[0\]=x;  
    }  
    bignum operator+(int a)const{  
        bignum ans;  
        Int c=0;  
        for(int i=0;i<maxn;i++){  
            ans.n\[i\]=n\[i\]+a+c;  
            c=ans.n\[i\]/base;  
            ans.n\[i\]%=base;  
            a=0;  
        }  
        return ans;  
    }  
    bignum operator\*(bignum &d)const{  
        bignum ans;  
        for(int i=0;i<maxn;i++){  
            if(n\[i\]){  
                for(int j=0;j+i<maxn;j++){  
                    ans.n\[i+j\]+=n\[i\]\*d.n\[j\];  
                    Int c=ans.n\[i+j\]/base;  
                    ans.n\[i+j\]%=base;  
                    for(int k=i+j+1;k<maxn;k++){  
                        Int tmp=ans.n\[k\]+c;  
                        c=tmp/base;  
                        ans.n\[k\]=tmp%base;  
                    }  
                }  
            }  
  
        }  
        return ans;  
    }  
    bignum operator\-(bignum &d)const{  
        Int c=0;  
        bignum ans;  
        for(int i=0;i<maxn;i++){  
            ans.n\[i\]=n\[i\]-d.n\[i\]-c;  
            if(ans.n\[i\]<0){  
                c=1;  
                ans.n\[i\]+=base;  
            }else c=0;  
        }  
        return ans;  
    }  
    void print(){  
        int i=maxn-1;  
        for(;i>0;i--)if(n\[i\])break;  
        printf("%lld",n\[i--\]);  
        for(;i>=0;i--)printf("%04lld",n\[i\]);  
        Pln();  
    }  
};  
bignum bpow(bignum a,int n){  
    bignum ans(1);  
    while(n){  
        if(n&1){  
            ans=ans\*a;  
        }  
        a=a\*a;  
        n>>=1;  
    }  
    return ans;  
}  
int n,d;  
void solve(){  
//    bignum d(2);  
//    d.print();  
    bignum dp\[20\];  
    dp\[0\]=dp\[0\]+1;  
    for(int i=1;i<=d;i++){  
        dp\[i\]=bpow(dp\[i-1\],n);  
        dp\[i\]=dp\[i\]+1;  
//        dp\[i\].print();  
    }  
    printf("%d %d ",n,d);  
    if(d==0)dp\[0\].print();  
    else (dp\[d\]-dp\[d-1\]).print();  
}  
int main() {  
    ios\_base::sync\_with\_stdio(0);  
    while(~scanf("%d%d",&n,&d)&&n+d){  
        solve();  
    }  
  
  
  
  
  
  
  
}  

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