patcode/1034.cpp at master · ninisy/patcode · GitHub

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#include<iostream>
#include<cstdio>
using namespace std;

long long int gcd(long long int t1, long long int t2){
	return t2 == 0 ? t1 : gcd(t2,t1%t2);
}
void func(long long int m,long long int n){
	int flag1=0,flag2=0;
	if(n==0){
		cout<<"Inf";
		return ;
	}
	if(m==0){
		cout<<0;
		return ;
	}

	if(m<0){
		m = 0-m;
		flag1=1;
	}
	if(n<0){
		n=0-n;
		flag2=1;
	}
	int flag=0;
	if(flag1==1&&flag2==1){
		flag=0;
	}else if(flag1==1||flag2==1){
		flag=1;
	}
	if(m==n){
		if(flag==1)
			cout<<"(-1)";
		else
			cout << "1";
		return ;
	}

	long long int x=m%n;
	long long int y=m/n;
	if(x==0){
		if(flag==0)
			cout<<y;
		else
			cout<<"(-"<<y<<")";
		return ;
	}
	else{
		long long int t1=x;
		long long int t2=n;
		long long int t=gcd(t1,t2);
		t1 = t1/t;t2=t2/t;
		if(flag==1){
			cout<<"(-";
			if(y!=0)
				cout<<y<<" "<<t1<<"/"<<t2;
			else
				cout<<t1<<"/"<<t2;
			cout<<")";
		}
		else{
			if(y!=0)
				cout<<y<<" "<<t1<<"/"<<t2;
			else
				cout<<t1<<"/"<<t2;
		}

	}

}
void add(long long int a,long long int b,long long int c,long long int d){
	long long int m,n;
	m=a*d+b*c;
	n=b*d;
	func(a,b);
	cout<<" + ";
	func(c,d);
	cout<<" = ";
	func(m,n);
	cout << endl;
}
void min(long long int a,long long int b,long long int c,long long int d){
	long long int m,n;
	m=a*d-b*c;
	n=b*d;
	func(a,b);
	cout<<" - ";
	func(c,d);
	cout<<" = ";
	func(m,n);
	cout << endl;
}
void multi(long long int a,long long int b,long long int c,long long int d){
	long long int m,n;
	m=a*c;
	n=b*d;
	func(a,b);
	cout<<" * ";
	func(c,d);
	cout<<" = ";
	func(m,n);
	cout << endl;
}
void div(long long int a,long long int b,long long int c,long long int d){
	long long int m,n;
	m=a*d;
	n=b*c;
	func(a,b);
	cout<<" / ";
	func(c,d);
	cout<<" = ";
	func(m,n);
	cout << endl;
}
int main(){
	long long int a,b,c,d;
	scanf("%lld/%lld %lld/%lld",&a,&b,&c,&d);
	add(a,b,c,d);
	min(a,b,c,d);
	multi(a,b,c,d);
	div(a,b,c,d);
	system("pause");
	return 0;
}