C语言操作题常考编程题库.pdf

TheshortestwaytodomanythingsistoonlyonethingatatimeandAllthingsintheirbeingaregoodforsomethingandSufferingisthemostpowerfulteacheroflifeC语言编程题覆盖到的算法：1、个人所得税计算；2、求一组数的正、负数（或奇、偶数）的个数和平均值；3、二维数组主、次对角线之和；4、求素数（用函数实现）；5、级数有限项求和问题；6、两个一维数组相加（用函数实现）；7、求最大、最小值；8、判断闰年（用函数实现）；9、求水仙花数；10、百钱百鸡；11、求最大公约数、最小公倍数。12、求回文数；13、排序；14、二维数组的转置；15、递归函数求阶乘；16、求斐波那契数列；17、求和：a+aa+aaa+aaaa+....；18、求符合条件的整数（如：是某个二位数的平方，个位、十位、百位数各不相同等）；(包括素数，回文，完数，等等)19、字符串加密；20、统计字符串中字母和数字的个数；TheshortestwaytodomanythingsistoonlyonethingatatimeandAllthingsintheirbeingaregoodforsomethingandSufferingisthemostpowerfulteacheroflife/*1.个人所得税计算，以实验指导P24T5为标准*/#include<stdio.h>voidmain(){inti,n;doublea,b,c;n=i/400;printf("pleaseinputincome:\n");scanf("%d",&i);a=(i-800)*0.05,b=20+(i-1200)*0.08,c=84+(i-2000)*0.2;switch(n){TheshortestwaytodomanythingsistoonlyonethingatatimeandAllthingsintheirbeingaregoodforsomethingandSufferingisthemostpowerfulteacheroflifecase0:case1:printf("不需缴税\n");break;case2:printf("需交纳%lf元\n",a);break;case3:case4:printf("需交纳%lf元\n",b);break;default:printf("需交纳%lf元\n",c);break;}}/*2.求一组数的奇数个数，偶数个数和平均值#include<stdio.h>#defineN10voidmain(){inta[N];inti,m=0,n=0,sum=0;doubleaverage;printf("pleaseinput10numbers:\n");for(i=0;i<N;i++){scanf("%d",&a[i]);if(a[i]%2==0)m++;TheshortestwaytodomanythingsistoonlyonethingatatimeandAllthingsintheirbeingaregoodforsomethingandSufferingisthemostpowerfulteacheroflifeelsen++;sum+=a[i];}average=(double)sum/N;printf("wehave%doddsand%devens\n",n,m);printf("average=%lf\n",average);}*//*2'.求一组数的正数个数和负数个数与平均值*/#include<stdio.h>#defineN10voidmain(){inta[N];inti,m=0,n=0,sum=0;doubleaverage;printf("pleaseinput10numbers:\n");for(i=0;i<N;i++){scanf("%d",&a[i]);if(a[i]>0)m++;elsen++;sum+=a[i];TheshortestwaytodomanythingsistoonlyonethingatatimeandAllthingsintheirbeingaregoodforsomethingandSufferingisthemostpowerfulteacheroflife}average=(double)sum/N;printf("wehave%dpositivenumbersand%dnagetivenumbers\n",m,n);printf("theaverage=%lf",average);}/*3.求二维数组的主次对角线之和*/#include<stdio.h>#defin