文档介绍：计算机二级C语言题库之程序填空计算机二级C语言题库之程序填空找Armstrong(水仙花)数:371=3*3*3+7*7*7+1*1*1#include<>#include<>voidmain(){inti,a,b,c;for(i=100;i<=999;i++){a=i/100;_______1_______//b=i%100/10;c=i%10;if(________2________)//a*a*a+b*b*b+c*c*c==iprintf("%disaArmstrongnumber!\n",i);}}输入1个整数后,输出该数的位数。(例:输入3214则输出4,输入-23156则输出5)。#include<>voidmain(){intn,k=0;scanf("%d",&n);while(_____1_____){//n!=0k++;_____2_____;//n=n/10}printf("%d\n",k);}求输入的整数各位数字之和,如输入234则输出9,输入-312则输出6。#include<>#include<>voidmain(){intn,s=0;scanf("%d",&n);______1______//if(n<0)n=-n;while(n!=0){______2______//s+=n%10;n=n/10;}printf("%d\n",s);}调用函数f,将一个整数首尾倒置。例如:若程序输入12345,则输出54321;若程序输入-34567,则输出-76543。#include<>#include<>longf(longn){longm,y=0;m=fabs(n);while(m!=0){y=y*10+m%10;____1____//m=m/10;}if(n>=0)returny;else_____2_____//return-y;}voidmain(){printf("%ld\t",f(12345));printf("%ld\n",f(-34567));}调用函数f,从字符串中删除所有的数字字符。#include<>#include<>#include<>voidf(char*s){inti=0;while(s[i]!='\0'){if(isdigit(s[i]))____1____(s+i,s+i+1);//strcpy___2___i++;}//else}voidmain(){charstr[80];gets(str);f(str);puts(str);}调用find函数在输入的字符串中查找是否出现"the"这个单词。如果查到返回出现的次数,如果未找到返回0。#include<>intfind(char*str){char*fstr="the";inti=0,j,n=0;while(str[i]!='\0'){for(______1______)//j=0;j<3;j++if(str[j+i]!=fstr[j])break;if(______2______)n++;//j>=3i++;}returnn;}voidmain(){chara[80];gets(a);printf("%d",find(a));}输入的一个小写字母,将字母循环后移5个位置后输出。例如:"a"变成"f","w"变成"b"。#include<>voidmain(){charc;c=getchar();if(______1______)//c>='a'&&c<='u'c=c+5;elseif(c>='v'&&c<='z')______2______//c=(c-'a'+5)%26+'a';putchar(c);}将字符串s中所有的字符'c'删除。#include<>voidmain(){