一道补全代码题(⁄ ⁄•⁄ω⁄•⁄ ⁄)

#include<stdio.h>
int main()
{
    int a, b, c, t;
    scanf("%d%d%d", &a, &b, &c);
    t = a;
    a = c;
    c = b;
    b = t;
    printf("a=%d;b=%d;c=%d;", a, b, c);
    return 0;
}