浙江农林大学C语言程序设计习的题目集详解

1、实用标准文案第13章C语言概述、算法、数据类型、运算符与表达式一、选择题ACDCB CCDCB D二、填空题1、n=202、a=66,b=E第4章顺序程序设计一、选择题BAAD二、程序阅读1、12 240 122、2,3,2,23、0三、编程1#in elude #in elude void mai n()float a,b,e,s,area;scan f(%f,%f,%f, &a, &b,&e);s=(a+b+c)/2.0;area=sqrt(s*(s_a)*(s_b)*(s_c);prin tf(a=%f,b=%f,c=%f,area=%f,a,b,c,area); 2#in clude

2、#in clude void mai n()float a,b,c,del,x1,x2;scan f(%f,%f,%f, &a, &b,&c);del=b*b-4*a*c;if (del=0)x1= (-b+sqrt(del)/(2*a);x2=(-b-sqrt(del)/(2*a);prin tf(x1=%f,x2=%f,x1,x2);elseprintf(没有实根);3#in elude void mai n()int c,f;c=26;f=9.0/5.0*c+32;printf(%d 的华氏温度是 %d,c,f);第5章选择结构程序设计、选择题DBBCDC、程序阅读1、|a|+|b|=6

3、12、PQ3、-14、609060error!5、0,16、x+y+z=15三、编程1#in elude void mai n()int a,b,c,mi n;scan f(%d,%d,%d,&a,&b,& c);mi n=a;if (min b) min=b;if (minc) min=c;2#in clude void mai n()int a;scan f(%d, &a);if(a%3=0 & a%5=0 & a%7=0)prin tf(yes);elseprin tf( no);3#in elude #in elude void mai n()float x,y;scan f(%f,

4、&x);if (x=0 & x=2 & x4) y=pow(x+2,3);elsey=2*x+5;prin tf(x=%f,y=%f,x,y);4#in clude void mai n()float rate,tax,salary;scan f(%f,salary);if(salary1350 & salary2850 & salary5850)rate=0.15;elserate=0.2;tax=rate*(salary-850);prin tf(salary=%f,rate=%f,tax=%f,salary,rate,tax);5#in clude void mai n()int a,b

5、,sum, n;scan f(%d,%d,a,b);sum=a*a+b*b;if(sum100)n=sum/100;prin tf(a*a+b*b=%d, n=%d,sum, n); elseprin tf(a*a+b*b=%d,sum);第6章循环控制一、填空题：1、222、233、464、117二、选择题：10.D1. C2.D 3.B4.B 5.B 6.C 7.C 8.C9.B三、程序阅读：1、输出：332、输出：243、2#4#7#11#16#4、3#2#0#0#1#5、B,A,D,C6、D,A,B,C7、B,C,A,D8、A,D,D,C9、C,C,A10、B,D,A11、A,D,C四

6、、编程1 . #include #in elude void mai n() int x;prin tf(x sqrt(x)n);for(x=5;x=1000;x+)prin tf(%d %fn, x, sqrt(x);精彩文档2. #include#in cludemain ()int i,flag;double pi,item;i=1;flag=1;pi=0;item=1.0;while(fabs(item)=0.00001)item=flag*1.0/i;pi=pi+item; flag=-flag;i=i+2;pi=pi*4;prin tf(pi=%f,pi);3 .教材126页例6.

7、84. #includemain ()int i,nu ml, nu m2, nu m3;nu m1=1; nu m2=1;prin tf(%d%d ”,nu m1, nu m2);for(i=3;i=10;i=i+1)num3=nu m1+ nu m2;prin tf(%d”,nu m3);nu m仁 nu m2;num2=nu m3;第7章数组一、选择题：12.D1. D 2.D3.A4.C5.C6.C7.D8.B9.D10.B11.D13.D14.A15.B二、程序阅读:1、A,B,B,D2、C,D,A,B3、B,B4、D,C,A5、C,D6、C,A7、1#2#3#1#1#38、298三

8、、编程:1、#inelude void mai n()int mark, a, p, f;a = p = f = 0;prin tf(E nter scores:); scanf (%d, & mark);while (mark 0) if(mark = 85) a+;else if (mark = 60) p+; else f+;scanf (%d, & mark);prin tf(=85:%dn, a);printf(60-84:%dn, p);prin tf(60:%dn, f);2、#include void mai n()int a10,cou nt=0,i;float averag

9、e,sum=O;for(i=0;i10;i+)scan f(%d, &ai);sum=sum+ai;average=sum/10;for(i=0;iaverage) coun t=co un t+1;printf(平均值为%f大于平均值的数有 %d个,average,count);3.#in cludemai n() int a10;int i,j,t ,n;printf(请输入一个正整数n (1n 10 ):” );scanf( “ %d ”，&n);printf(请输入数据：”)；for (i=0; in; i+)scan f(%d,&ai);prin tf(n ”);for (j=0;

10、jn-1; j+)/* 确定基准位置 */for(i=j+1; iai) t=aj;aj=ai;ai=t; prin tf(The sorted nu mbers: n);for (i=0; in; i+)prin tf(%d,ai);4 . #include void mai n()inta66 ,n ,i,j,x,y,max;printf(请输入一个正整数n (1 n 6)： ”)；scanf( “ %d ”，&n);printf(请输入一个n行n列的矩阵：n ”)；for (i=0;i n;i+)for (j=0;j n;j+)scanf( “ %d ” ，&aij);max=a00;

11、x=0;y=0;for (i=0;i n ;i+)for (j=0;jmax) max=ai j;x=i;y=j;printf(绝对值最大的元素为：%d,下标分别为：%d,%dn ” ,max,x,y);实用标准文案第8章函数一、选择题(1) A(2) B(3) C(4) B(5) A(6) C(7)i. Bii. Diii. Aiv. D(8)i. Dii. Ciii. Biv. Ai. D(9)精彩文档实用标准文案ii. Biii. B (10)i. Cii. Ciii. Biv. B、程序阅读题(1)3, 5(2)4(3)s=18(4)5, 25、程序设计1# in clude# in

12、cludeint isprime(i nt m) int k, n, res;if(m = 1) return 0;res = 1;n = (in t)sqrt(m);for(k = 2; k = n; k+)if(m%k = 0)res=0;break;return res;void mai n()int m,n;int sum=0;int i;doprin tf(I nput m,nmn like:3,10n);scan f(%d,%d, &m,&n);while(m0 | nn);for(i=m;i=n ;i+)if(isprime(i)sum+=i;printf(The all pri

13、mes sum is:%dn,sum);2int max_value(i nt arr4)int i,j,max;max=arrOO;for(i=0;i2;i+)for(j=0;j4;j+)if(maxaij)max=ai j;return ma x;精彩文档# in clude# in cludeint isTheF in eNumber(i nt n)int flag=O;int a,b,c;if(i nt)sqrt (n)=sqrt (n)/i ee ? ? eya=n%10;b=( n/10)%10;c=n/100;if(a=b|b=c|c=a)flag=1;retur n flag;

14、 void mai n()int n;int i;scan f(%d, &n);for(i=101;i n;i+)if(isTheF in eNumber(i)prin tf(%dn,i);预处理命令CBBBD DDBC实用标准文案第10章指针一、选择题:1、D2、A3、D4、A5、D6、B7、C8、D9、B10、D11、A、程序阅读题:1、C三、程序设计题:#in cludevoid mai n() void swap(i nt *po in ter1,i nt *po in ter2);int *p1,*p2;int a=1,b=2;p仁&a;p2=&b;swap(p1,p2);prin

15、tf(%dn%d,a,b);void swap( int *p1,i nt *p2)int temp;temp=*p1;*卩仁*p2;*p2=temp;2#in cludevoid mai n() int a10,*p1,i,j,temp;P仁a;for(i=0;i10;i+)scan f(%d,p1+i);for(i=0;i10;i+)p 仁a;for( j=0;j*(p1+1)temp=*p1;*p1=*(p1+1);*(p1+1)=temp;p仁a;for(i=0;i10;i+,p1+)prin tf(%d ,*p1);3#in cludevoid mai n()int upper=0,

16、lower=0,digit=0,space=0,other=0,i=0;char *p,s20;prin tf(i nput stri ng:);while(si=getchar()!=n) i+;p=&s0;while(*p!=n)if(A=*p)&(*p=Z)+upper;else if (a=*p)&(*p=z)+lower;else if (*p=)+space;else if (0=*p) &( *p=9)+digit;else +other;p+;prin tf(upper case is:%dlower case:%d,upper,lower);prin tf(space: %d

17、digit:%d other:%d,space,digit,other);4strmcpy(char s,char t,i nt m) char *p1,*p2,i;p仁s;p2=t+m;while(*p2!=0)*卩仁*p2;p1+;p2+;5#in cludevoid mai n()int s44=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16;int *p,i,j,t;P=&s00；for(i=0;i4;i+)for( j=i；j4;j+)t=*(p+4*i+j);*(p+4*i+j)=*(p+4*j+i);*(p+4*j+i)=t;结构体共用体第11一、选

18、择题：1. D、D、D、D、C2. D3. A4. BC (选项B改为(*p).pk，结果为C)精彩文档5. D二、选择填空题：1. B2. C三、编程题：1#in cludestructint year;int mon th;int day;date;void mai n() int days;prin tf(i nput year,m on th,day:n);scan f(%d%d%d，& date.year, &date.mo nth, &date.day);switch (date.mo nth)case 1:days=date.day;break;case 2:days=date.

19、day+31;break;case 3:days=date.day+59;break;case 4:days=date.day+90;break;case 5:days=date.day+120;break;case 6:days=date.day+151;break;case 7:days=date.day+181;break;case 8:days=date.day+212;break;case 9:days=date.day+243;break;case 10:days=date.day+273;break;case 11:days=date.day+304;break;case 12:

20、days=date.day+334;break;if(date.year%4=0&date.year%100!=0|date.year%400=0)&date.m on th=3)days+=1;prin tf(%d/%d is the %dth day in %dn,date.mo nth,date.day,days,date.year); 2#in cludestructint hour;int min;int sec;time1,time2,time3;void mai n()prin tf(i nput the first time hour,m in, sec:n);scan f(%

21、d%d%d, &time1.hour, &time1.mi n,& time1.sec); prin tf(i nput the sec ond time hour,m in, sec:n);scan f(%d%d%d, &time2.hour, &time2.mi n,& time2.sec);time3.sec=time2.sec-time1.sec;if(time3.sec0)time3.sec+=60;time2.sec-;time3.mi n=time2.mi n-time1.mi n;if(time3.mi n0)time3.mi n+=60;time2.mi n-;time3.h

22、our=time2.hour-time1.hour;printf(timelag is hour:%d min:%d sec:%d ,time3.hour,time3.min,time3.sec);3#in clude#defi ne N5struct stude ntchar nu m6;char n ame6;int score4;stuN;void mai n() void prin t(struct stude nt stu6);int i,j;for(i=0;iN;i+)printf(nin put score of stude nt %d:n,i+1);prin tf(No.:);

23、scan f(%s,stui. num);printf(n ame:);scan f(%s,stui. name);for( j=0;j3;j+)prin tf(score %d: ,j+1);scan f(%d, &stui.scorej);prin tf(n ”);prin t(stu); void prin t(struct stude nt stu6)int i,j;score3n);prin tf(nNo.n amescore1 score2for(i=0;iN;i+)prin tf(%5s%10s,stui. nu m,stui. name);for( j=0;j3;j+)prin tf(%9d,stui.scorej); prin tf(n);第13章文件一、选择题C C B B AC C D D C D D D二、编程1.#i nclude #in clude void mai n()FILE *fp;char str80;if(fp=fope n(test.txt,r)=NULL)prin tf(error n);while(!feof(fp)fscan f(fp,%sn,str);if(strstr(str,for)!=NUL