福建省計(jì)算機(jī)二級(jí)C語(yǔ)言上機(jī)題解析

第一部分：程序更正題#include<>#include<>#include<>#include<>voidmain(){charstr1[100],t[200];inti,j;/**/i=0;/**/改成clrscr();

j=0;strcpy(str1,"4AZ18cGe9a0z!");for(i=0;i<strlen(str1);i++){/**/if((str1[i]%2==0)&&(i%2!=0))/**/改成i%2==0{t[j]=str1[i];j++;}}t[j]='\0';printf("\nOriginalstring:%s\n",str1);printf("\nResultstring:%s\n",t);}#include<>#include<>#include<>#include<>#defineM50doublefun(intn){doubley=;inti,j;j=0;for(i=1;;i++){/**/if((i<10)&&(i%3==0))/**/改成i>10{/**/y+=1/i;/**/改成y+=i;j++;}if(j==n)break;}returny;}voidmain(){clrscr();printf("fun(8)=%\n",fun(8));}#include<>voidmain(){/**/inti,j;/**/

改成

inti,j,k;for(i=1;i<=6;i++){for(k=1;k<=10+i;k++)printf("");for(j=1;j<=7-i;j++)printf("*")/**/

:/**/

改成

;printf("\n");}getch();}#include<>#include<>/**/intfun();/**/該處不是函數(shù)說(shuō)明，應(yīng)當(dāng)去掉分號(hào){inthen,cock,chicken,n=0;clrscr();for(cock=0;cock<=50;cock+=1)for(hen=0;hen<=100;hen=hen+1){chicken=2*(100-hen-2*cock);/**/if(cock+hen+chicken=100)/**/賦值號(hào)改成＝＝{n++;printf("%d-->hen:%d,cock:%d,chicken:%d\n",n,hen,cock,chicken);if(n==20)getch();}}returnn;}voidmain(){intnum;num=fun();printf("\nThereare%dsolutions.\n",num);getch();}#include<>#include<>voidmain(){intm,n,result,flag=0;/**/charch,/**/基本語(yǔ)法錯(cuò)誤，逗號(hào)改成分號(hào)clrscr();printf("Inputanexpression:");scanf("%d%c%d",&m,&ch,&n);/**/switchch/**/基本格式錯(cuò)誤，改成switch(ch){case'+':result=m+n;break;case'-':result=m-n;break;case'*':result=m*n;break;case'%':result=m%n;break;case'/':result=m/n;break;default:{printf("Error!\n");flag=1;}}if(!flag)printf("%d%c%d=%d\n",m,ch,n,result);getch();}#include<>#include<>voidmain(){chars[20]="tableleft100",t[20];/**/chartab[4,2]={{'a','f'},{'b','e'},{'e','a'},{'f','b'}};/**/數(shù)組定義形式錯(cuò)誤，改成chartab[4][2]inti,j=0;strcpy(t,s);while(t[j]){for(i=0;i<=3;i++){if(t[j]==tab[i][0]){/**/t[j]=tab[i][2];/**/改成t[j]=tab[i][1];break;}}j++;}printf("\nThesourcestring:%s\n",s);printf("\nThetargetstring:%s\n",t);getch();}#include<>#include<>main(){charstr1[128];/**/inti,len;sum=0;/**/基本語(yǔ)法錯(cuò)誤，改成

inti,len,sum=0;printf("\nPleaseinputthestring:");gets(str1);len=strlen(str1);for(i=0;i<len;i++){/**/

if(str1[i]>='0'||str1[i]<='9')

/**/邏輯錯(cuò)誤，

||改成

&&sum++;}printf("%d\n",sum);getch();}#include<>#include<>#defineM8main(){inta[M],i;printf("Pleaseinput8numbers:\n");for(i=0;i<M;i++)scanf("%d",/**/a[i]/**/);輸入列表項(xiàng)一定指定地址，改成&a[i]printf("Inverseorderis:\n");/**/

for(i=M-1;i<=0;i--)/**/

循環(huán)判斷條件表示錯(cuò)誤，改成

i>=0printf("%d",a[i]);printf("\n");getch();}#include<>#include<>main(){/**/charstr1/**/;此處一定定義成字符數(shù)組，改成inti,len,sum=0;printf("Pleaseinputastring:\n");scanf("%s",str1);len=strlen(str1);for(i=0;i<len;i++){

charstr1[50]if(str1[i]>='A'&&str1[i]<='Z')/**/sum--;/**/改成sum++;}printf("%d\n",sum);getch();}#include<>#include<>/**/#includeM5/**/宏定義錯(cuò)誤，改成#defineM5main(){inta[M],i;printf("Pleaseinput5numbers:\n");for(i=0;i<M;i++)scanf("%d",&a[i]);printf("Evennumbers:\n");for(i=0;i<M;i++)/**/if(a[i]/2==0)/**/判斷偶數(shù)應(yīng)當(dāng)改成a[i]%2==0printf("%d",a[i]);printf("\n");getch();}#include<>#include<>main(){charstr1[128],str2[128];inti,len;gets(str1);len=strlen(str1);/**/for(i=0;i>len;i++)

/**/循環(huán)條件表示錯(cuò)誤，改成

for(i=0;i<len;i++){if(str1[i]>='0'&&str1[i]<='8')str2[i]=str1[i]+1;elseif(str1[i]=='9')str2[i]='0';elsestr2[i]=str1[i];}/**/str2[i]='\n';/**/字符串的結(jié)束表記應(yīng)當(dāng)用'\0'表示puts(str2);getch();}#include<>#include<>voidmain(){chars1[30]="People'sRepublicof",s2[]="China";char*ps1,*ps2;/**/ps1=NULL;

/**/指針

ps1

指向字符串

s1，改成

ps1=s1;ps2=s2;/**/while(*ps1==NULL)/**/判斷能否到達(dá)串尾表記，應(yīng)改成*ps1!='\0'ps1++;while(*ps2)*(ps1++)=*(ps2++);printf("\n%s\n",s1);getch();}#include<>#include<>voidmain(){floata[3],s,area;inti;printf("Pleaseinput3numbers:\n");for(i=0;i<3;i++)scanf("%f",/**/a[i]/**/);輸入列表項(xiàng)一定指定地址/**/if(a[0]+a[1]>a[2]||a[1]+a[2]>a[0]||a[0]+a[2]>a[1])

/**/邏輯條件表記錯(cuò)誤，

||改成&&{s=(a[0]+a[1]+a[2])/2;area=sqrt(s*(s-a[0])*(s-a[1])*(s-a[2]));printf("areais%.2f\n",area);}elseprintf("error.\n");getch();}#include<>#include<>/**/voidfun()/**/此處說(shuō)明函數(shù)有返回值，改成intfun(){intlarge,middle,small,n=0;clrscr();for(large=0;large<=33;large++)for(middle=0;middle<=50;middle++){small=2*(100-3*large-2*middle);/**/if(large+middle+small=100)/**/=改成=={n++;printf("%d-->large:%d,middle:%d,small:%d\n",n,large,middle,small);}}returnn;}voidmain(){intnum;num=fun();printf("\nThereare%dsolutions.\n",num);getch();}#include<>voidmain(){inti;/**/for(i=100;i<200;i++);if((i-2)%4==0)if(!((i-3)%7))if(i%9==5)printf("%d\n",/**/&i/**/);getch();

/**/for語(yǔ)句錯(cuò)誤，此處去掉分號(hào)去掉地址符號(hào)&}#include<>/**/voidswap(intp1,intp2)/**/改成voidswap(int*p1,int*p2){inttemp;temp=*p1;/**/p1=p2;/**/改成*p1=*p2;*p2=temp;}voidmain(){inta,b;printf("pleaseinput2numbers:\n");scanf("%d%d",&a,&b);printf("\nOriginal:a=%db=%d\n",a,b);swap(&a,&b);printf("\nResult:a=%db=%d\n",a,b);getch();}#include<>voidmain(){intb,i;/**/inta=c=0;/**/基本語(yǔ)法錯(cuò)誤，改成inta=0,c=0;/**/for(i=0,i<=100,i+=2)/**/for語(yǔ)句語(yǔ)法錯(cuò)誤，改成for(i=0;i<=100;i+=2){a+=i;b=i+1;c+=b;}printf("totalofevennumbers:%d\n",a);printf("totalofoddnumbers:%d\n",c-101);getch();}#include<>voidmain(){intx,y,z,i,result=520;for(x=1;x<10;x++)for(y=1;y<10;y++)/**/for(z=1;z<10;z++)/**/z初值應(yīng)為0，改成for(z=0;z<10;z++){i=100*x+10*y+z+100*y+10*z+z;/**/if(i=result)/**/邏輯關(guān)系等于應(yīng)當(dāng)為i==resultprintf("x=%d,y=%d,z=%d\n",x,y,z);}getch();}#include<>#defineF(x)(x**x+/(x+voidmain(){floata=,b=,c;/**/ints;/**/變量種類錯(cuò)誤，改成floats;printf("\nPleaseinputc:");scanf("%f",/**/c/**/);輸入列表項(xiàng)一定加地址/**/s=F(a,b,c);/**/

&cprintf("\ns=%.2f\n",s);getch();}#include<>voidmain(){intf,s,t,n;printf("\nThelistis:\n");for(n=100;n<1000;n++){f=n%10;s=(n%100)/10;/**/t=n%100;/**//**/if(t*t*t+s*s*s+f*f*f=n

f為個(gè)位數(shù)s為十位數(shù)t為百位數(shù)，應(yīng)改成t=n/100;)/**/＝應(yīng)改成＝＝printf("%d

",n);}printf("\n");getch();}第二部分：程序填空題#include<>voidmain(){/**/long/**/p;inti;p=1;/**/for/**/(i=1;i<=8;i++)p=p*i;printf("\np=%ld",p);getch();}#include<>voidmain(){inta,b,c;floatf;clrscr();printf("Pleaseinputab:");scanf("%d%d",&a,&b);f=/**/*a/b/**/;c=/**/(int)/**/(f*100)%10;printf("\na/b=%fTheseconddecimalplaceis:%d\n",f,c);getch();}#include<>#include<>intmax,min;voidfind_max_min(int*p,intn){int*q;max=min=*p;for(q=p;q</**/p+n/**/;q++)if(/**/max<*q/**/)max=*q;elseif(min>*q)min=*q;}voidmain(){inti,num[10];printf("Input10numbers:");for(i=0;i<10;i++)scanf("%d",&num[i]);find_max_min(/**/num/**/,10);printf("max=%d,num=%d\n",max,min);}#include<>voidmain(){inta,b,k;intplu=/**/403/**/;for(a=1;a<10;a++)for(b=1;b<10;b++){k=(a*10+b)*/**/(b*10+a)/**/;if(k==plu)printf("A=%d,B=%d\n",a,b);}}#include<>voidmain(){intn,a,b;/**/a=0;b=0;/**/scanf("%d",&n);while(/**/n!=0/**/){if(n>0)a++;else/**/b++;/**/scanf("%d",&n);}printf("Positiveinteger:%d,negativeinteger:%d\n",a,b);}#include<>#include<>intprime(intn){intk,flag=1;for(k=2;k<=n/2+1;k++)if(n%k==0){flag=/**/0/**/;break;}returnflag;}voidmain(){intnum,a;clrscr();do{printf("Pleaseinputanevennumber:");scanf("%d",&num);}while(num<=6||num%2==1);for(a=2;a<=num/2+1;a++)if(prime(a)&&prime(/**/num-a/**/))printf("\n%d=%d+%d",num,a,num-a);}#include<>#include<>/**/main()

/**/{floatx,x0,f,f1;x=;do{x0=x;f=((2*x0-4)*x0+3)*x0-6;f1=(6*x0-8)*x0+3;x=x0-f/f1;}/**/while/**/(fabs(x-x0)>=1e-6);printf("therootis:%.2f\n",x);}#include<>main(){/**/charinti;floatx;

/**/str[20];printf("Pleaseinputastring:\n");scanf("%s",/**/str/**/);i=0;while(str[i]){str[i]=/**/str[i]^15;/**/i++;}printf("\nTargetstring:%s\n",str);getch();}#include<>main(){inta[5]={20,30,45,64,23};floatm;/**/floataverage(intpa[],intn);/**/m=average(a,5);printf("Average=%f\n",m);getch();}floataverage(intpa[],intn){intk;floatavg=;for(k=0;k<n;k++)avg=avg+/**/pa[k]/**/;avg=avg/n;returnavg;}#include<>main(){/**/char/**/s[80];inti;printf("Pleaseinputastring:");for(i=0;(s[i]=getchar())!='\n';i++);s[i]='\0';for(i=0;s[i]!='\0';i++){if(s[i]>='a'&&s[i]<='z')s[i]=s[i]-32;/**/elseif/**/(s[i]>='A'&&s[i]<='Z')s[i]=s[i]+32;printf("%c",s[i]);}getch();}#include<>#include<>voidsort(inta[],intm){inti,j,t,swap;for(i=0;i</**/m-1/**/;i++){swap=0;for(j=0;j<m-i-1;j++){if/**/(a[j]<a[j+1]){

/**/swap=1;t=a[j];a[j]=/**/a[j+1]a[j+1]=t;

/**/;}}if(!swap)break;}}voidmain(){inta[]={23,55,8,32,18,2,9};inti,k=sizeof(a)/sizeof(int);sort(a,k);for(i=0;i<k;i++)printf("%d",a[i]);printf("\n");getch();}#include<>#include<>intfun(/**/

floata,floatb,floatc

/**/){floattemp;intbTrue=0;if(a<b){temp=a;a=b;b=temp;}if(a<c){temp=a;a=c;c=temp;}if(fabs(/**/a*abTrue=1;returnbTrue;

/**/-(b*b+c*c))<}main(){floata,b,c;printf("Pleaseinputthreenumbers:\n");scanf("%f%f%f",&a,&b,&c);if(fun(a,b,c)==1)printf("Yes\n");elseprintf("No\n");getch();}#include<>main(){intx;printf("Pleaseinputanumber:\n");scanf("%d",/**/&x/**/);printf("%d*%d=%d\n",x,x,/**/

x*x

/**/);getch();}#include<>#include<>voidsort(inta[],intm){inti,j,k,t;for(i=0;i<m-1;i++){k=i;for(j=i+1;j</**/if(a[j]<a[k])/**/if(k!=i){t=a[k];

m/**/;j++)k=j/**/;a[k]=a[i];a[i]=/**/t/**/;}}}voidmain(){inta[]={72,25,58,32,2,15,7,64};inti,m=sizeof(a)/sizeof(int);sort(a,m);for(i=0;i<m;i++)printf("%d",a[i]);printf("\n");getch();}#include<>main(){floata,b,c,max;/**/floatfmax(floatx,floaty,floatz);/**/printf("Pleaseinput3integer:\n");scanf("%f%f%f",&a,&b,&c);max=fmax(a,b,c);printf("Themaxnumberis:%.2f\n",max);getch();}floatfmax(floatx,floaty,floatz){floatm,n;n=(y>z)y:z;m=/**/(x>n)x:n;/**/return(m);}#include<>#include<>main(){inti,/**/j/**/;inta[4][4],sum;sum=/**/0/**/;printf("Pleaseinput16numbers:\n");for(i=0;i<4;i++)for(j=0;j<4;j++)scanf("%d",&a[i][j]);for(i=0;i<4;i++)/**/sum+=a[i][0];

/**/printf("%d\n",sum);getch();}#include<>intfun(inta[],intn,/**/intq/**/){intleft,right,mid;left=0;right=n-1;while(left<=right){mid=/**/(left+right)/2/**/;if(q<a[mid])right=mid-1;elseif(q>a[mid])left=mid+1;elsereturnmid;}return-1;}main(){inta[]={3,4,6,11,17,22,31,45};intk,n;n=sizeof(a)/sizeof(int);k=fun(a,n,31);printf("%d\n",k);getch();}#include<>#include<>intfun(/**/floatr/**/,floatx,floaty){intbIn;bIn=/**/return

sqrt(x*x+y*y)bIn;

/**/<r;}main(){floatr=-1,x,y;intbIn;while(r<0){printf("Pleaseinputradiusr(r>0):\n");scanf("%f",&r);}printf("Pleaseinputthedot(x,y):\n");scanf("%f%f",&x,&y);bIn=fun(r,x,y);if(bIn==1)printf("inthecircle!\n");elseprintf("outoftheCircle!\n");getch();}#include<>/**/#include<>/**/doublefun(doublex){/**/returnx*x-2*x+6;/**/}voidmain(){doublex,y1,y2;clrscr();printf("Pleaseinputx:");scanf("%lf",&x);y1=fun(x+8);y2=fun(/**/sin(x)/**/);printf("\nf(x+8)=%.3lf",y1);printf("\nf(sinx)=%.3lf",y2);getch();}#include<>doublefun(unsignedm,unsignedn){unsignedi;doublep=;for(i=1;i<=m;i++)/**/p=p*i;/**/for(i=1;i<=n;i++)/**/p=p/i;/**/for(i=1;i<=m-n;i++)p=p/i;returnp;}voidmain(){clrscr();printf("p=%f\n",fun(13,7));getch();}#include<>intfindmax(int*array,intsize);voidmain(){inta[]={33,91,23,45,56,-12,32,12,5,90};clrscr();printf("Themaxis%d\n",/**/findmax(a,10)/**/);getch();}intfindmax(int*array,intsize){inti,/**/max=*array/**/;for(i=1;i<size;i++)if(array[i]>max)max=array[i];returnmax;}#include<>unsignedsum(unsignedn){unsignedi,/**/

sum=0;/**/for(i=1;i<=n;i++)sum+=i;/**/returnsum;

/**/}voidmain(){intm;clrscr();printf("Pleaseinputaunsignedinteger:");scanf("%d",&m);while(m<0){printf("Pleaseinputaunsignedinteger:");scanf("%d",&m);}printf("\nThesumis%d\n",/**/

sum(m)

/**/);getch();}#include<>#include<>voidmain(){inti,j;charstr[]="1234567",/**/for(i=0,/**/j=strlen(str)-1{

k/**/;/**/;i<j;i++,j--)k=str[i];str[i]=str[j];str[j]=k;}clrscr();printf("%s\n",str);getch();}#include<>#include<>typedefstruct{intnum;charname[20],sex[2];intage,score;}STU;STUmystudent[]={{1111,"Zhangqiang","m",20,80},{2104,"Liminghong","w",18,82},{3121,"Wangxingda","m",21,78},{4118,"Liushaotao","m",20,90},{1456,"Wuminghong","w",35,86}};voidsort(STU*ps,intsize){inti,flag,pass;/**/STUtemp;/**/for(pass=1;pass<size;pass++){flag=0;for(i=0;i<size-pass;i++)if(/**/ps[i].num>ps[i+1].num{flag+=1;

/**/)temp=ps[i];ps[i]=ps[i+1];ps[i+1]=temp;}if(/**/flag>size/**/)break;}}voidmain(){inti,size=sizeof(mystudent)/sizeof(STU);clrscr();printf("Students\'informationbeforesort:\n\n");printf("NumberNameageSexscore\n\n");for(i=0;i<size;i++)printf("%-7d%s%10d\t%s%8d\n",(mystudent+i)->num,(mystudent+i)->name,(mystudent+i)->age,(mystudent+i)->sex,(mystudent+i)->score);sort(mystudent,size);printf("\nStudents\'informationaftersort:\n\n");printf("Number

Name

age

Sex

score\n\n");for(i=0;i<size;i++)printf("%-7d%s%5d\t%s%7d\n",(mystudent+i)->num,(mystudent+i)->name,(mystudent+i)->age,(mystudent+i)->sex,(mystudent+i)->score);getch();}#include""#defineROW3#defineCOL3voidmain(){inta[ROW][COL],i,j,max,min;clrscr();printf("Pleaseinputthe9integers:\n");for(i=0;i<ROW;i++)for(j=0;j<COL;j++)scanf("%d",&a[i][j]);/**/max=min=a[0][0];/**/for(i=0;i<ROW;i++)for(j=0;j<COL;j++){if(/**/a[i][j]>max

/**/)max=a[i][j];if(a[i][j]<min)/**/min=a[i][j];

/**/}printf("max=%d\n",max);printf("min=%d\n",min);getch();}#defineN5#include<>voidmain(){intt=0,/**/s=0/**/,i;for(i=1;i<=N;i++){t=/**/t*10+i/**/;s+=t;}clrscr();printf("\ns=%d\n",s);getch();}#include<>longfib(intn);voidmain(){intk;clrscr();printf("Thefirst15dataofFibonacciis:\n\n");for(k=1;k<=15;k++)printf("%d",fib(k));printf("\n");getch();}longfib(intn){if(n==1||n==2)/**/return1;/**/elsereturn/**/fib(n-1)+fib(n-2)

/**/;}#include<>main(){structstu{charname[10];floatscore;};/**/structstu/**/stu[3]={"Mary",76,"John",85,"Tom",81};inti=0;floattotal=0,aver=0;while(i<3){total=total+/**/stu[i].score/**/;i++;}aver=total/3;printf("\ntotal=%.2f,aver=%.2f",total,aver);getch();}#include<>main(){inti,a[10]={9,26,35,8,6,19,69,3,5,95};intmin1,min2;i=0;min1=a[0]<a[1]a[0]:a[1];min2=a[0]>a[1]/**/a[0]:a[1];/**/for(i=2;i<10;i++){if(a[i]<min1){min2=min1;min1=a[i];}elseif(a[i]<min2)/**/min2=a[i];/**/}printf("min1=%d,min2=%d\n",min1,min2);getch();}#include<>main(){doublex,y;/**/doublemysqrt(doublea,doublex0);/**/printf("Pleaseinputx:\n");scanf("%lf",&x);y=mysqrt(x,;printf("Thesqrtof%f=%f\n",x,y);getch();}doublemysqrt(doublea,doublex0){doublex1,y;x1=/**/2*(x0+a/x0);/**/if(fabs(x1-x0)>y=mysqrt(/**/a,x1/**/);elsey=x1;return(y);}第三部分：程序設(shè)計(jì)題#include<>#include<>doublefun1(doublex){/**/return(1+sin(x)+exp(x))/(1+x);/**/}voidmain(){clrscr();printf("fun1=%\n",fun1);printf("fun1=%\n",fun1);printf("fun1=%\n",fun1);}#include<>#include<>#include<>#include<>intfun2(inta[],intn,intb[],intc[]){/**/inti,j,t,k=0;for(i=0;i<n;i++)if(a[i]>-20)b[k++]=a[i];for(i=0;i<k;i++)c[i]=b[i];for(i=0;i<k;i++)for(j=0;j<k-i;j++)if(c[j]>c[j+1]){t=c[j];c[j]=c[j+1];c[j+1]=t;}returnk;/**/}voidmain(){intn=10,i,nb;intaa[10]={12,-10,-31,-18,-15,50,17,15,-20,20};intbb[10],cc[10];clrscr();printf("Thereare%2delementsinaa.\n",n);printf("Theyare:");for(i=0;i<n;i++)printf("%6d",aa[i]);printf("\n");nb=fun2(aa,n,bb,cc);printf("Elementsinbbare:");for(i=0;i<nb;i++)printf("%6d",bb[i]);printf("\n");printf("Elementsinccare:");for(i=0;i<nb;i++)printf("%6d",cc[i]);printf("\n");printf("Thereare%2delementsinbb.\n",nb);}#include<>#include<>doublefun1(doublex){/**/return(exp(x)+fabs(x-6))/(x+;/**/}voidmain(){clrscr();printf("fun1=%\n",fun1);printf("fun1=%\n",fun1);printf("fun1=%\n",fun1);}#include<>#include<>#include<>#include<>voidfun2(chara[],charb[],charc[]){/**/chart[15];if(strcmp(a,b)>0){strcpy(t,a);strcpy(a,b);strcpy(b,t);}if(strcmp(a,c)>0){strcpy(t,a);strcpy(a,c);strcpy(c,t);}if(strcmp(b,c)>0){strcpy(t,b);strcpy(b,c);strcpy(c,t);}/**/}voidmain(){charstr1[15]="Fuzhou",str2[15]="Fujian",str3[15]="China";clrscr();fun2(str1,str2,str3);printf("Theorderedstringsis:%s,%s,%s\n",str1,str2,str3);getch();}#include<>#include<>doublefun1(floatx){/**/if(x<5)returnexp(x)+;elseif(x==5)return;elsereturn(sin(x)/(2*x);/**/}voidmain(){floatx;doubley;clrscr();printf("Pleaseinputanumber:\n");scanf("%f",&x);y=fun1(x);printf("fun1(%.2f)=%.2f\n",x,y);getch();}#include<>#include<>voidmain(){intfun();intnum;num=fun();printf("\nThetotalofprimeis%d",num);getch();}intfun(){/**/intm,i,k,n=0;for(m=101;m<=200;m=m+2){k=sqrt(m);for(i=2;i<=k;i++)if(m%i==0)break;if(i>=k+1)n++;}returnn;/**/}#include<>#include<>doublef(floatx){/**/if(x>0)return(fabs(x)+/(sin(x)+2);elsereturn0;/**/}voidmain(){floatx;doubley;printf("Pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%.3f)=%.3f\n",x,y);getch();}#include<>#include<>voidfun(inta[],intm){/**/inti;a[0]=a[1]=1;for(i=2;i<m;i++)a[i]=a[i-1]+a[i-2];/**/}voidmain(){inta[20],i;fun(a,20);for(i=0;i<20;i++)printf("%d",a[i]);printf("\n");getch();}#include<>#include<>doublef(floatx){/**/if(fabs(x)<700)returnsqrt+fabs(x))/(cos(x)+;elsereturn-1;/**/}voidmain(){floatx;doubley;printf("Pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%=%\n",x,y);getch();}#include<>#include<>intfun(inta[][3],intm){/**/inti,j,flag=1;for(i=0;i<m;i++)for(j=0;j<m;j++)if(a[i][j]!=a[j][i]){flag=0;break;}if(flag)return1;elsereturn0;/**/}voidmain(){inta[3][3],i,j;intb;for(i=0;i<3;i++)for(j=0;j<3;j++)scanf("%d",&a[i][j]);b=fun(a,3);if(b==1)printf("Yes\n");elseprintf("No\n");getch();}#include<>#include<>doublef(floatx){/**/doubley;if(x<2)y=x;elseif(x<5)y=3-tan;elsey=3*log10(x)-11;returny;/**/}voidmain(){floatx;doubley;clrscr();printf("Pleaseinputx:\n");scanf("%f",&x);y=f(x);printf("f(%.2f)=%.2f\n",x,y);getch();}#include<>#include<>charfun(floatf){/**/floatc;c=9*(f-32);if(c<0)return'W';elseif(c<25)return'B';elseif(c<35)return'O';elsereturn'R';/**/}voidmain(){floatf;charcode;printf("\nPleaseinputtheFahrenheittemperature:");scanf("%f",&f);code=fun(f);printf("\n%c\n",code);getch();}#include<>#include<>doublef(floatx){/**/floaty;if(x<=1600)y=0;elseif(x<=2100)y=(x-1600)*;elseif(x<=3100)y=(x-1600)*;elsey=(x-1600)*;returny;/**/}voidmain(){floatx;doubley;clrscr();printf("Pleaseinputanumber:\n");scanf("%f",&x);y=f(x);printf("f(%.2f)=%.2f\n",x,y);getch();}#include<>#defineROW4#defineCOL4intfun(inta[][COL],introw,intb[]){/**/inti,j,k=0;intsum=0;for(i=0;i<row;i++)for(j=0;j<COL;j++){if(a[i][j]>0)b[k++]=a[i][j];if(a[i][j]==0)break;}for(i=0;i<k;i++)sum=sum+b[i];returnsum;/**/}v