GCD for both positive and negative numbers

c gcd 4 years, 8 months ago
#include <stdio.h> int main() { int n1, n2; printf("Enter two integers: "); scanf("%d %d",&n1,&n2); // if user enters negative number, sign of the number is changed to positive n1 = ( n1 > 0) ? n1 : -n1; n2 = ( n2 > 0) ? n2 : -n2; while(n1!=n2) { if(n1 > n2) n1 -= n2; else n2 -= n1; } printf("GCD = %d",n1); return 0; }
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