Red Huang

Red Huang

uva 10023

TLE 好幾次 改進算法過了

//====================================================================||  
//                                                                    ||  
//                                                                    ||  
//                         Author : GCA                               ||  
//                  6AE7EE02212D47DAD26C32C0FE829006                  ||  
//====================================================================||  
#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 "%I64d"  
#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("%2d ",dp\[htx\]\[hty\]);}Pln();}  
#define M 55  
#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);  
}  
struct bignum{  
    Int n\[201\];  
    static const int maxn=201;  
    static const Int base\=10000;  
    bignum(){  
        Set(n,0);  
    }  
    bignum operator\-(bignum &d){  
        bignum ans;  
        Int c=0;  
        for(int i=0;i<maxn;i++){  
            Int tmp=n\[i\]-d.n\[i\]-c;  
            if(tmp<0){  
                c=1;  
                ans.n\[i\]=tmp+base;  
            }else{  
                c=0;  
                ans.n\[i\]=tmp;  
            }  
        }  
        return ans;  
    }  
    bool operator<(bignum &d){  
        for(int i=maxn-1;i>=0;i--){  
            if(n\[i\]<d.n\[i\])return true;  
            else if(n\[i\]>d.n\[i\])return false;  
        }return false;  
    }  
  
    bool operator\>=(bignum &d){  
        for(int i=maxn-1;i>=0;i--){  
            if(n\[i\]>d.n\[i\])return true;  
            else if(n\[i\]<d.n\[i\])return false;  
        }return true;  
    }  
    bool operator\>(bignum &d){  
        for(int i=maxn-1;i>=0;i--){  
            if(n\[i\]>d.n\[i\])return true;  
            else if(n\[i\]<d.n\[i\])return false;  
        }return false;  
    }  
    bignum operator+(bignum &d){  
        bignum ans;  
        Int c=0;  
        for(int i=0;i<maxn;i++){  
            Int tmp=n\[i\]+d.n\[i\];  
            ans.n\[i\]=tmp%base;  
            c=tmp/base;  
        }  
    }  
    bignum mul(Int x){  
        bignum ans;  
        Int c=0;  
        for(int i=0;i<maxn;i++){  
            Int tmp=n\[i\]\*x;  
            ans.n\[i\]=tmp;  
        }  
        for(int j=0;j<maxn;j++){  
            Int tmp=ans.n\[j\]+c;  
            ans.n\[j\]=tmp%base;  
            c=tmp/base;  
        }  
        return ans;  
    }  
    bignum add(Int x){  
        bignum ans;  
        Int tmp=n\[0\]+x,c;  
        ans.n\[0\]=tmp%base;  
        c=tmp/base;  
        for(int i=1;i<maxn;i++){  
            Int tmp=n\[i\]+c;  
            ans.n\[i\]=tmp%base;  
            c=tmp/base;  
        }  
        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();  
    }  
};  
char str\[1005\];  
int len;  
int test;/\*  
int vfind(bignum a,int target){  
 int l=0,r=9;  
 while(r>=l){  
 int mid=(r+l)>>1;  
 bignum tmp=a.mul(10);  
 tmp=tmp.add(mid);  
 tmp=tmp.mul(mid);  
 //tmp.print();  
 if(tmp>target){  
 r=mid-1;  
 }else if(tmp<target){  
 l=mid+1;  
 }  
 else return mid;  
 }//Pln();  
 return r;  
}\*/  
void sqrt(){  
    vector<int\> sp;  
    int t=0;  
    for(int i=len-1,j=0;i>=0;i--){  
        if(j==0){  
            t+=str\[i\]-'0';  
            j++;  
        }else if(j==1){  
            t+=(str\[i\]-'0')\*10;  
            j++;  
        }if(j==2||i==0){  
            //debug("%d\\n",t);  
            sp.PB(t);  
            t=j=0;  
        }  
    }  
    int size=sp.size();  
    for(int i=0;i<size/2;i++){  
        int t=sp\[i\];  
        sp\[i\]=sp\[size-i-1\];  
        sp\[size-i-1\]=t;  
    }  
    bignum odd,ans,re;  
    for(int i=0;i<size;i++){  
        odd=ans.mul(20);  
        odd=odd.add(1);  
        re=re.mul(100);  
        re=re.add(sp\[i\]);  
        int j=0;  
        for(j=0;re>=odd;j++){  
            re=re-odd;  
            odd=odd.add(2);  
        }  
        ans=ans.mul(10);  
        ans=ans.add(j);  
        /\*debug("%d\\n",sp\[i\]);  
 odd.print();  
 re.print();  
 ans.print();  
 Pln();\*/  
    }  
    ans.print();  
  
  
  
    /\*for(int i=0;i<size;i++){  
//        printf("sp>>%d\\n",sp\[i\]);  
 //now=now.mul(100);  
 //now=now.add(sp\[i\]);  
 now\*=100;  
 now+=sp\[i\];  
 //now.print();  
 //printf(">>a");a.print();  
 int index=vfind(a,now);  
 //printf(">>%d\\n",index);  
 ans\[i\]=index+'0';  
 bignum tmp=a.mul(10);  
 tmp=tmp.add(index);  
 tmp=tmp.mul(index);  
 //printf("tmp");tmp.print();  
 now=now-tmp;  
 //printf("now");now.print();  
 b=a.mul(10);  
 b=b.add(index);  
 a=b.add(index);  
 }\*/  
  
}  
int main(){  
    //freopen("input.txt","r",stdin);  
    ios\_base::sync\_with\_stdio(0);  
    scanf("%d",&test);  
    while(test--){  
        bignum inp;  
        scanf("%s",str);  
       // debug("%s\\n",str);  
        len=strlen(str);  
        sqrt();  
        if(test)Pln();  
//        inp=inp.add(111);  
//        inp=inp.mul(100);  
//        (inp.add(0)).print();  
    }  
  
  
      
  
  
  
  
  
  
  
}  
  

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