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   | #include <stdio.h> #include <stdlib.h> int main() { 	int a =0; 	int b =0; 	int temp; 	scanf("%d,%d",&a,&b); 	printf("%d,%d\n", a, b);
 
  	if (a < b) 	{ 		temp = a; 		a = b; 		b = temp; 	} 	while (0 != a%b) 	{ 		temp = a%b; 		a = b; 		b = temp; 		printf("a=%d  b=%d\n", a, b); 	} 	printf("%d\n", b); 	system("pause"); 	return 0; }
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