C语言实验报告册答案.docx

1、C语言实验报告册答案C语言实验报告册答案实验一1#include void main() int a,b,c; scanf(%d,%d,%d,&a,&b,&c); printf(sum=%dn,a+b+c);2#include void main() int a,b,he,cha,ji,shang; scanf(%d,%d,&a,&b); he=a+b; cha=a-b; ji=a*b; shang=a/b; printf(he=%dn,he); printf(cha=%dn,cha); printf(ji=%dn,ji); printf(shang=%dn,shang);3#include

2、void main() int a,b,c,d,e,sum; scanf(%d,%d,%d,%d,%d,&a,&b,&c,&d,&e); sum=a*a+b*b+c*c+d*d+e*e; printf(sum=%dn,sum);5#include #define PI 3.14159void main()float r,l,s;printf(请输入圆半径(r):);scanf(%f,&r);l=2*PI*r;s=r*r*PI;printf(n圆周长 l=%6.2fn,l);printf(圆面积 s=%6.2fn,s);6#include void main() printf(what a be

3、autiful campus!n); printf(I wish you every success!n);实验二1#include void main() int a,b,c;float x; scanf(a=%d,b=%d,c=%d,x=%f,&a,&b,&c,&x); printf(%f,a*x*x*x+b*x*x+c);2#include void main() int a,b; scanf(a=%d,b=%d,&a,&b); printf(ji=%d,shang=%d,yushu=%d,a*b,a/b,a%b);3#include stdio.hvoid main() float C

4、,F; scanf(%f,&F); C=5.0/9*(F-32); printf(%f,C);4#include #define PI 3.14159void main()float r,l,s;printf(请输入圆半径(r):);scanf(%f,&r);l=2*PI*r;s=r*r*PI;printf(n圆周长 l=%6.2fn,l);printf(圆面积 s=%6.2fn,s);5#include void main() float c=3.123456789; printf(%f,c);实验三1#include void main()int a=3,b=4,c=5;float x=1

5、.414,y=1.732,z=2.712;printf(a=%-7d b=%-7d c=%-7dnx=%-7.3f y=%-7.3f z=%-7.3f,a,b,c,x,y,z);2#include void main()int a,b,c;float x,y,z;scanf(%d,&a);scanf(%d,&b);scanf(%d,&c);scanf(%f,&x);scanf(%f,&y);scanf(%f,&z);printf(a=%d,b=%d,c=%dnx=%.3f,y=%.3f,z=%.3f,n,a,b,c,x,y,z);3#include void main()int a,b,c;f

6、loat x,y,z;scanf(%d,&a);scanf(%d,&b);scanf(%d,&c);scanf(%f,&x);scanf(%f,&y);scanf(%f,&z);printf(a=%d,b=%d,c=%dnx=%.3f,y=%.3f,z=%.3f,n,a,b,c,x,y,z);4#include void main()char c1,c2,c3,c4;scanf(%c%c%c%c,&c1,&c2,&c3,&c4);printf(%d,%d,%d,%d,c1,c2,c3,c4);5#includevoid main() int d1=60,d2=61,d3=62,d4=63; p

7、rintf(%c %c %c %c,d1+5,d2+5,d3+5,d4+5);6#include void main()int m=12345678,n=3456789;printf(m=%d n=%d,m,n);7#include void main()int a=20,b=64,c=127;printf(a=%d,%o,%xn,a,a,a);printf(b=%d,%o,%xn,b,b,b);printf(c=%d,%o,%xn,c,c,c);8#include void main()float x,y,z;x=1.414;y=1.732;z=2.712;printf(%6.2f,%6.2

8、f,%6.2f,x,y,z);9#includestdio.hvoid main() float a; a=1.0/3; printf(%0.6f%n,a);10#include void main() int a,b,a=getchar(b=getchar()c=getchar();a=a+32;b=b+32;c=c+32;putchar(a);putchar(b);putchar(c);实验四1#include void main () int a,b,c,max; scanf(%d,%d,%d,&a,&b,&c); max=a; if(ab) max=b; if(bc) max=c; p

9、rintf(%d,max); 2#include void main() int x,y; scanf(%d,&x); if(x1) y=x; else if(x10) y=2*x-1; else y=3*x-11; printf(%dn,y);3#includevoid main() int grade; printf(Please enter the grade); scanf(%d,&grade); if(grade=90) printf(A); else if(grade=80) printf(B); else if(grade=70) printf(C); else if(grade

10、=60) printf(D); else if(grade60) printf(E);4#includevoid main() int a,b,c,d,e,f,g,h; scanf(%d,&f); a=f/10000; b=f/1000%10; c=f/100%10; d=f/10%10; e=f%10; if(f/100) if(f/1000) if(f/10000) if(f/100000) g=5; else g=4; else g=3; else g=2; else g=1; printf(g=%dn,g); printf(a=%dnb=%dnc=%dnd=%dne=%dn,a,b,c

11、,d,e); printf(h=%d%d%d%d%dn,e,d,c,b,a);5#include #include void main() float a,b,c,p,q,t,x1,x2; printf(input a,b,c: ); scanf(%f,%f,%f,&a,&b,&c); if (a=0.) printf(a=0! return.); else p=-b/(2.*a); t=b*b-4*a*c; q=sqrt(fabs(t)/(2.*a); if (t=0.) printf(n x1=x2=%-f,p); else if (t0.) printf(n x1=%-f,x2=%-fn

12、,p+q,p-q); else printf(n x1=%-f + %f i, x2=%-f -%f in, p, q, p, q); 实验五1#include void main()int i,sum; i=1,sum=0; while(i=100) sum=sum+i; i+; printf(%dn,sum);2#include void main()int i,j,sum; i=1,j=1,sum=0; for(i=1;i=10;i+) j=j*i; sum=sum+j; printf(%dn,sum); printf(%dn,sum);3#include #include void m

13、ain() int s; float n,t,p; t=1;p=0;n=1.0;s=1; do p=p+t;n=n*n+1; s=-s;t=s/n; while (fabs(t)1e-5); printf(p=%10.6fn,p);实验六1#includevoid main() int sum=0,mul=1; int i; for(i=1;i=10;i+) mul*=i; sum+=mul; printf( 1!+2!+3!.10!=%dn,sum);2#includevoid main() int i,j,k; for(i=1;i=9;i+) for(j=1;j=i;j+) k=j*i;

14、printf(%2d*%2d=%2d,i,j,k); printf(n); 3#include void main() int i,j,k; for(i=0;i=9;i+) for(j=0;j=8-i;j+) printf( ); for(k=0;k=2*i;k+) printf(*); printf(n); for(i=0;i=8;i+) for(j=0;j=i;j+) printf( ); for(k=0;k=16-2*i;k+) printf(*); printf(n); 4#include void main()int i,j,k;for(i=0;i=20;i+)for(j=0;j=3

15、3;j+)k=100-i-j;if(5*i+3*j+k/3=100&k%3=0&(i+j+k=100)printf(%d,%d,%dn,i,j,k);5#include void main ()int sum=0,s=0,i;scanf (%d,&i);while (i=5)s=s+i;sum=sum+s;i+;printf (sum=%dn,sum);试验七1#include#include#includevoid main()int i,a15;for(i=0;i15;i+)ai=rand()%100;for(i=0;i15;i+)printf(%d ,ai);if(i+1)%5=0)pr

16、intf(n);2#include void main ()int a10,i,max,min,sum=0,s=0;float t;for (i=0;i10;i+)scanf (%d,&ai);printf (n);max=a0,min=a1;for (i=0;imax) max=ai;for (i=0;i10;i+) if (aimin) min=ai;for (i=0;i10;i+)s=s+ai;t=s/10;for (i=0;it)sum=sum+1;printf (%d,%d,%dn,max,min,sum);3#includestdio.hvoid main() int i; int

17、 f20=0,1,1; for(i=0;i=19;i+) fi+3=fi+2+fi+1+fi; printf(%d,fi); 4#include void main() int a5=67,89,76,98,66; int b5,i,j;for (i=0;i=4;i+) j=4-i; bj=ai; for (j=0;j=4;j+) printf(%d,bj);5#include void main()int i,j,max,a10,t;printf (Please enter data:);for (i=0;i=9;i+)scanf (%d,&ai);for (i=0;i=9;i+)max=i

18、;for (j=i+1;j=9;j+)if (amaxaj)max=j;t=ai;ai=amax;amax=t;printf (The result is :);for (i=0;i=9;i+)printf (%d,ai);printf (n);实验八1#includestdio.hvoid main() int a9,f33; int i,j,t; for(i=0;i9;i+) scanf(%d,&ai); i=0; for(t=0;t3;t+) for(j=0;j3;j+) ftj=ai; i+; printf(%d,ftj); printf(n); 2#include #define m

19、 3#define n 4void main() long a ?n+1; int i,j; for (i=0;im;i+) ain=0; for(j=0;jn;j+) aij=rand(); ain=ain+aij; printf(%8ld,aij); printf( %8ld n,ain);3#include #define m 3#define n 4main() long a ?n; int i,j,row=0,col=0; for (i=0;im;i+) for (j=0; jn; j+) aij=rand(); printf(%8ld,aij); if (arowcolaij) r

20、ow=i;col=j; printf(n); printf(n max=%ld row=%d col=%d n,arowcol,row+1,col+1);4void main() float a1002,temp,temp1; int i,j,p,n; printf(n input number of student n=); scanf(%d,&n); for (i=0;in;i+) printf(n input num,score of %dth student:,i+1); scanf(%f,%f,&temp1,&temp); ai0=temp1;ai1=temp; for (i=0;

21、in-1; i+) p=i; for (j=i+1; jn ; j+) if(ap1aj1) p=j; if (p!=i) temp=ap1;ap1=ai1;ai1=temp; temp=ap0;ap0=ai0;ai0=temp; printf(n input admittable number:);scanf(%d,&p);printf(n output name list: n);for (i=0; ip ; i+) printf(%10.0f %10.1fn,ai0,ai1);5#includevoid main() int a44; int i,j; for(i=0;i4;i+) fo

22、r(j=0;j4;j+) if(i=j) aij=1; else aij=0; for(i=0;i4;i+) for(j=0;j4;j+) printf(%d ,aij); printf(n); printf(n);实验九1#include stdio.hlong fun(int K) int fact=1,i; for(i=1;i=K;i+) fact*=i; return fact;void main() int m,n; long k1,k2,k3; printf(input m,n:); scanf(%d,%d,&m,&n); k1=fun(m); k2=fun(n); k3=fun(

23、n-m); printf(fact=%fn,k2/(k1*k3*1.0);2#includelong IS_sum(int n) int i; long int f1, f2,f3,sum; f1=f2=1; sum=0; for (i=1; i=n; i+) f3=f1+f2; sum=sum+f3; printf(%12ld %12ld,f1,f2); f1=f1+f2; f2=f2+f1; return(sum);void main() int N; long sum; printf(Input n:); scanf(%d,&N); sum=IS_sum(N); printf(n); p

24、rintf(sum=%ld,average=%fn,sum,sum/(N*1.0);3#include stdio.h#include math.hdouble fun(double x) double f=0.0; f=sin(2*x)+x; return f;double integral(double a,double b,double(* fun)(double),int N) const int n=N; int i=0; double sumf=0.0,xi=0.0,xi1=0.0,fv=0.0,h=0.0; h=(b-a)/n; xi=a; for(i=0;in;i+) xi1=xi+h; fv=(*