1, #include main() { int a,b; a=30800; b=fun(&a); printf("%d,%d\n",a,b); } int fun(int *p) { int b=0,i=0; while(*p) { if(*p%10==0) i++; else if(*p%10>b) b=*p%10; *p/=10; } *p=i; return b; } 2. #include main() { char a[10]={"hello"},b[10]={"beijing"}; char *p; ... |