#include <stdio.h>
int i,j;
int MCD(int n, int d)
{
int tM,ti;
printf("\n estou aqui com n=%d, d=%d, %d=%d*%d+%d",n,d,n,d,n/d,n%d);
if(n%d==0)
{
i=0;j=1;
printf("\n voltando com n=%d, d=%d, %d=%d*%d+%d, i=%d, j=%d",n,d,n,d,n/d,n%d,i,j);
printf("; MCD(%d,%d)= %d: (%d)*%d+(%d)*%d=%d",n,d,d,i,n,j,d,d);
return(d);
}
else
{
tM=MCD(d,n%d);ti=i;i=j;j=ti-j*(n/d);
printf("\n voltando com n=%d, d=%d, %d=%d*%d+%d, i=%d, j=%d",n,d,n,d,n/d,n%d,i,j);
printf("; MCD(%d,%d)= %d: (%d)*%d+(%d)*%d=%d",n,d,tM,i,n,j,d,tM);
return(tM);
}
}
int main()
{
int M,n=128,d=50 ;/*d<n*/
M=MCD(n,d);
printf("\nMCD(%d,%d)= %d: (%d)*%d+(%d)*%d=%d",n,d,M,i,n,j,d,M);
return 0;
}
