习题课三 计算机基础及C语言PPT课件

.,1,C语言程序设计,习题课三,.,2,读程序1,#includeintf(intn)staticints=1;while(n)s*=n-;returns;,voidmain()inti,j;i=f(3);j=f(5);printf(i=%dj=%dn,i,j);,i=6j=720,.,3,读程序2,#includevoidtrans(intm,intn);voidmain()inti;printf(n%d-,-21);trans(21,2);printf(n%d-,123);trans(123,16);printf(n);,voidtrans(intm,intn)inti;if(m=n)i=m%n;trans(m/n,n);elsei=m;if(i-10101123-7B,.,4,读程序3,#includeinta=10;intf(inta)intb=0;staticintc=3;a+;+c;+b;returna+b+c;,voidmain()inti;for(i=0;i2;i+)printf(%5d,f(a);printf(n);,1617,.,5,读程序4,#includeintfunc(inta,intb)staticintm=0,i=2;i+=m+1;m=i+a+b;return(m);,voidmain()intk=4,m=1,p;p=func(k,m);printf(%d,p);p=func(k,m);printf(%dn,p);,8,17,.,6,读程序5,#includeintfun(intn);voidmain()intx;x=fun(10);printf(%dn,x);,intfun(intn)ints;if(n=1)|(n=2)s=2;elses=n+fun(n-1);return(s);,54,.,7,读程序6,#include#defineMAX5voidfun1();voidfun2();voidfun3();voidfun4();intaMAX,k;voidmain()fun1();fun3();printf(n);fun2();fun3();printf(n);,voidfun1()for(k=0;kMAX;k+)ak=k+k;voidfun2()intaMAX,k;for(k=0;k=0.0?t:-t)epsil)s+=t;(1);(2);returns;,voidmain()doublex,epsil;printf(Inputx,epsil:n);scanf(%lf%lf,（1）t=-t*x*x/(2*n)/(2*n-1);（2）n+;,.,12,程序填空题2,以下程序求a数组中的所有素数的和，函数isprime用来判断自变量是否为素数。素数是只能被1和本身整除且大于1的自然数。程序#includeintisprime(intx);,.,13,程序填空题2,voidmain()inta10=0;inti,sum=0;printf(Enter10num:n);for(i=0;i10;i+)scanf(%d,intisprime(intx)inti;for(i=2;i0（2）b=a%b（3）a=b,.,17,程序填空题5,输入一个无符号整数后求出它的各位数之和并输出。例如若输入123，则将各位之和6(即1+2+3)输出。#include(1)f(unsignedintnum);voidmain()unsignedintn;scanf(%d,.,18,程序填空题5,(1)f(uns