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(单选题)
以下程序的结果?
#include<stdio.h>
void foo(int *a, int *b){
*a = *a + *b;
*b = *a - *b;
*a = *a - *b;
}
int main(){
int a = 1, b = 2, c = 3;
foo(&a, &b);
foo(&b, &c);
foo(&c, &a);
printf("%d, %d, %d", a, b, c);
}
1/64
- A 1,2,3
- B 1,3,2
- C 2,1,3
- D 3,2,1
无
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