zznuoj2230 : A+B C语言
·
#include<stdio.h>
int main()
{
int A1,A2,B1,B2,i,t,z,r1,s,B3,r2,A3,b;
scanf("%d/%d %d/%d",&A1,&B1,&A2,&B2);
if(B1!=B2)
{
s=B1*B2;
if(B1<B2)
{
t=B1;B1=B2;B2=t;
}
while(r1=B1%B2,r1!=0)
{
B1=B2;B2=r1;
}
B3=s/B2;
}
A1=(B3%B1)*A1;
A2=(B3%B2)*A2;A3=A1+A2;
z=B3;
if(A3<B3)
{
t=A3;A3=B3;B3=t;
}
while(r2=A3%B3,r2!=0)
{
A3=B3;B3=r2;
}
b=B3;
printf("%d/%d",A3/b,z/b);
return 0;
}
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