c语言,给定一个数,求范围1~10000的数中,数字当中出现给定的数的数...答:include <stdio.h>#include <stdlib.h>#include <string.h>int main(){int n,i,j,sum=0,len;char s[10]={'\0'};scanf("%d",&n);for(i=1;i<=10000;i++){memset(s,'\0',10);sprintf(s,"%d",i);len=strlen(s);for(j=0;j<len;j++){if(s[j]==n+48){sum++;}}}...