记录编号 123674 评测结果 AAAAAAAAAA
题目名称 eins 最终得分 100
用户昵称 GravatarHouJikan 是否通过 通过
代码语言 C++ 运行时间 2.320 s
提交时间 2014-09-28 17:14:38 内存使用 0.31 MiB
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#include <iostream>
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <queue>
#include <stack>
#include <map>
#include <set>
#include <list>
#include <vector>
#include <ctime>
#include <iterator>
#include <functional>
#define pritnf printf
#define scafn scanf
#define For(i,j,k) for(int i=(j);i<=(k);(i)++)
using namespace std;
typedef long long LL;
typedef unsigned int Uint; 
const int INF=0x7ffffff;
//==============struct declaration==============
int Mod;
struct Martix{
  LL num[3][3];
  Martix(){memset(num,0,sizeof(num));}
  Martix operator *(const Martix &rhs) const{
    Martix res;
    res.num[0][0]=(num[0][0]*rhs.num[0][0]+num[0][1]*rhs.num[1][0])%Mod;
    res.num[0][1]=(num[0][0]*rhs.num[0][1]+num[0][1]*rhs.num[1][1])%Mod;
    res.num[1][0]=(num[1][0]*rhs.num[0][0]+num[1][1]*rhs.num[1][0])%Mod;
    res.num[1][1]=(num[1][0]*rhs.num[0][1]+num[1][1]*rhs.num[1][1])%Mod;
    return res;
  }
};
//==============var declaration=================
int n;
  Martix One;
//==============function declaration============
Martix quickpow(int Exp);
//==============main code=======================
int main()
{  
  string FileName="eins";//程序名 
  string FloderName="COGS";//文件夹名 
  freopen((FileName+".in").c_str(),"r",stdin);
  freopen((FileName+".out").c_str(),"w",stdout);
#ifdef DEBUG  
  system(("cp C:\\Users\\Administrator\\Desktop\\"+FloderName+"\\standard.cpp C:\\Users\\Administrator\\Desktop\\"+FloderName+"\\submit.txt").c_str());
  clock_t Start_Time=clock();
#endif    
  ios::sync_with_stdio(false);
  int T;
  One.num[0][0]=One.num[1][0]=One.num[0][1]=1;One.num[1][1]=0;
  scanf("%d",&T);
  while (T--){
    scanf("%d%d",&n,&Mod);
    if (n==1){
      if (Mod!=1)
        printf("1\n");
      else
        printf("0\n");
      continue;
    }
    else if (n==0){
     printf("%d\n",0);
     continue;
    }
    n--;
    Martix ans=quickpow(n);
    printf("%lld\n",ans.num[0][0]);
  }
#ifdef DEBUG  
  clock_t End_Time=clock();
  cout<<endl<<endl<<"Time Used: "<<double(End_Time-Start_Time)*1000/(CLOCKS_PER_SEC)<<" Ms"<<endl;
#endif    
  return 0;
}
//================fuction code====================
Martix quickpow(int Exp)
{
  if (Exp==1)
    return One;
  Martix temp=quickpow(Exp/2);
  temp=temp*temp;
  if (Exp&1)
    temp=temp*One;
  return temp;
}