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Two numbers replace each other

2022-07-05 00:13:00 【sunyin. liu】

#include <stdio.h>
void swap(int a, int b);
int main(){
	int a = 5;
	int b = 6;
	// printf("a=%d,b=%d\n",a,b);
	printf("a=%d,b=%d\n",a,b);
	swap(a,b);
	
	return 0;
}
void swap(int a,int b){
	a = a ^ b;
	b = a ^ b;
	a = a ^ b;
	printf("a=%d,b=%d\n",a,b);
}