1.#include<stdio.h>void f(int x) { if(x) { putchar(x%10+'0'); f(x/10); } }main(){ f(12340); }2.main(){ int i = 3, j = 2, k; k=i+k; { int k=8; if(i=4) printf("%d",k); else printf("%d%d",j); } printf("%d%d",i,k)}