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@rkhang7
Created November 25, 2018 07:12
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// tim UCLN cua a,b.
#include <stdio.h>
#include <conio.h>
int main()
{
int a,b;
printf("a=");scanf("%d",&a);
printf("b=");scanf("%d",&b);
if(a>b)
{
for(int i=a;i>=1;i--)
{
if(a%i==0 && b%i==0)
{
printf("UCLN cua %d va %d la %d",a,b,i);
break;
}
}
}
if(a<b)
{
for(int j=b;j>=1;j--)
{
if(a%j==0 && b%j==0)
{
printf("UCLN cua %d va %d la %d",a,b,j);
break;
}
}
}
if(a==b) printf("UCLN cua %d va %d la %d",a,b,a);
getch();
return 0;
}
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