上机练习题语言考试题目分析

#include<math.h>#include<stdio.h>#include<string.h>#includefuns中找出最长的单词,t中。例如，若调用函数前，s为：Iama totakethe调用函数后，tvoidfun( s[], {inti:=0,flag=1,longer=0,length=0,k;for(;i<=strlen(s);i++;){if(s[i]=='{if{k=i;}}else{length=1;

else{}} {chars1[100],t[200];strcpy(s1,"Iamastudenttotaketheexamination");printf("\ns中的字符串为:%s\n",s1);fun(s1,t);printf("\nts\n",t}void{intcharstr1[79],t[79];FILE*fr,*fw;{exit(1);}if((fw=fopen("EXAM1_2","w"))==NULLprintf不能打开文件EXAM1_2!\nexit(1);}fprintf(fw,"%s\n","Exam1_2Result");for(i=0;i<2;i++){fgets(str1,75,fr{doubles=0.0;intj=0;while(t[j])s+=}}fclose(fw);}{}请按注释提示的要求完成==== #include<math.h>#include<stdio.h>#defineCODE9#defineM fun1(x)=─────-x+ x-doublefun1(doublex){double return}式中：X^nxn次方，│xx（注意，Ｃ语言中abs(x)函数不能用于实型计算,lnx表示变量x的自然对数。┌√ 当x>=1│ln│x│ x<1doublefun2(doublex){double return}{doublex;clrscr(printf("fun1( )=%8.3lf\n",fun1(1.66)printf("fun2( )=%8.3lf\n",fun2(0.76)printf("fun2( )=%8.3lf\n",fun2(2.0)printf("fun2( )=%8.3lf\n",fun2(2.76)}void{ doublea[M];charch;inti;FILE*fp;{exit(1);}for(i=0;i<M;i++{fscanf(fp,"%c",&ch);}fclose(fpif((fp=fopen("EXAM2_5","w"))==NULLprintfEXAM2_5!\n"exit(1);}fprintf(fp,"%s\n","Exam2_5Result"for(s=0.0,i=0;i<M;i++)if(i%2==0)s+=fun1( a[i]);s+=fun1(-a[i]fprintf(fp,"%10.3lf\n",s);for(s=0.0,i=0;i<M;i++)if(i%2==0s+=fun2( a[i]);s+=fun2(-a[i]fprintf(fp,"%10.3lf\n",s);fclose(fp);}{}请按注释提示的要求完成==== #include<math.h>#include<stdio.h>#defineM50编写函数：fun3(n)的功能是：根据整型形参n，计算如下的值 fun3n1- -+前n 例如fun3(8)=0.754fun3(15)doublefun3(intn) doubley0.0*y return(y}fun4intaintnintb[])an把数组a3b中。jb中的元素个数。a则数组b为：10,8,7,5,4,2,1 intfun4(inta[],intn,intb[]){int /*jb return}{intinta[10]={1,2,3,4,5,6,7,8,9,10}intclrscr(printf("fun3(8)=%8.3lf\n",fun3(8printffun3(158.3lf\n",fun3(15printf("以下为第二小题：\n");printfan为:%3d\n",nprintfa数组元素为for(i=0;i<n;i++)printf("%5d",a[i]);nb=fun4(a,n,printf("fun4函数后\n"printf("b数组元素个数为:%4d\n",nb printf("b数组元素为:");for(i=0;i<nb;i++)printf("%5d",b[i]);printf("\n");}void{ inti,nb;FILE*fp;charch;{exit(1);}for(i=0;i<M;i++ fscanf(fp,"%c",&ch);}fclose(fpif((fp=fopen("EXAM3_5","w"))==NULLprintfEXAM3_5!\n"exit(1);}fprintf(fp,"%s\n","Exam3_5Result"for(s=0.0,i=0;i<M-1;i++