#include<bits/stdc++.h>
#define re register
#define ll long long
#define RS(p) p<<1
#define LS(p) p<<1|1
#define MAX_N 105
#define INF 0x3f3f3f3f
#define MOD 1000007
#define Pii pair<int,int>
using namespace std;
class BigInteger{
private:
static const int BASE = 100000000;
static const int WIDTH = 8;
vector<long long> s;
public:
BigInteger(long long num=0){*this=num;}
BigInteger operator = (long long num){
s.clear();
do{
s.push_back(num % BASE);
num /= BASE;
} while(num > 0);
return *this;
}
BigInteger operator = (const string& str){
s.clear();
int x,len=(str.length()-1)/WIDTH+1;
for(int i=0;i<len;i++){
int end=str.length()-i*WIDTH;
int start=max(0,end-WIDTH);
sscanf(str.substr(start,end-start).c_str(),"%d",&x);
s.push_back(x);
}
return *this;
}
friend ostream& operator << (ostream &out,const BigInteger& x){
out<<x.s.back();
for(int i=x.s.size()-2;i>=0;i--){
char buf[20];
sprintf(buf,"%08d",x.s[i]);
for(int j=0;j<strlen(buf);j++) out<<buf[j];
}
return out;
}
friend istream& operator >> (istream &in,BigInteger& x){
int s;
if(!(in>>s)) return in;
x=s;
return in;
}
BigInteger operator + (const BigInteger& b) const{
BigInteger c;
c.s.clear();
for(int i=0,g=0;;i++){
if(g==0&&i>=s.size()&&i>=b.s.size()) break;
int x=g;
if(i<s.size()) x+=s[i];
if(i<b.s.size()) x+=b.s[i];
c.s.push_back(x%BASE);
g=x/BASE;
}
return c;
}
BigInteger operator += (const BigInteger &b){
*this=*this+b; return *this;
}
BigInteger operator * (const long long& b) const{
BigInteger c;
long long g=0;
c.s.clear();
for(int i=0; ; i++){
if(g==0 && i>=s.size()) break;
long long x=g;
if(i<s.size()) x+=s[i]*b;
c.s.push_back(x%BASE);
g=x/BASE;
}
return c;
}
BigInteger operator / (const long long& b) const{
BigInteger c, c1;
long long g = 0;
c.s.clear();
for(int i=s.size()-1; i>=0; i--){
g = g*BASE+s[i];
c.s.push_back(g/b);
g = g%b;
}
c1.s.clear();
for(int i=c.s.size()-1; i >= 0; i--){
c1.s.push_back(c.s[i]);
}
while(c1.s.back()==0 && c1.s.size()>1) c1.s.pop_back();
return c1;
}
bool operator < (const BigInteger& b) const{
if(s.size() != b.s.size()) return s.size()<b.s.size();
for(int i = s.size()-1; i>= 0;i--)
if(s[i] != b.s[i]) return s[i]<b.s[i];
return false;
}
bool operator > (const BigInteger& b) const{return b<*this;}
bool operator <= (const BigInteger& b) const{return !(b<*this);}
bool operator >= (const BigInteger& b) const{return !(*this<b);}
bool operator != (const BigInteger& b) const{return b<*this||*this<b;}
bool operator == (const BigInteger& b) const{return !(b<*this)&&!(*this<b);}
};
int main() {
BigInteger a;
long long b;
cin >> a >> b;
cout << a/b;
return 0;
}
Processed:
0.011, SQL:
9
