二级C资料编程题参考答案(第五分册).doc

1double fun(int n) double s=0; int i,a=1; for(i=1;i=2*n;i+) s+=1.0*a/i; a=-a; return s;2STREC fun( STREC *a, char *b ) int i; for(i=0;iN;i+) if(strcmp(ai.num,b)=0) return ai; ai.num0=0; ai.s=-1; return ai; 3、fun( STU a, STU *s ) int i; *s=a0; for(i=1;is-s) *s=ai; 4void fun( int m, int *k, int xx ) int i,j,t=0; for(i=2;im;i+) for(j=2;j=i/2;j+) if(i%j=0) xxt=i; t+; break; *k=t;5unsigned fun ( unsigned w ) int i=0,m,j; m=w; while(w/10) w/=10; i+; w%=10; for(j=1;j=i;j+) w*=10; return m-w;6char *fun ( char *s, char *t) char *m,*n; m=s; n=t; while(*s&*t) t+; s+; if(*t) return n; else return m;7void fun ( int a33, int b33) int i,j; for(i=0;i3;i+) for(j=0;jn) for(j=0;ji-n;j+) a-; *a=0; 10void fun( char *a ) char *b=a; while(*a) if(*a=*) a+; else *b=*a; a+; b+; *b=0;11 void fun (int *a, int *n) int i,j=0; for(i=1;i0.000001) x0=x1; x1=cos(x0); return x1; 15 double fun(int n) float s=1;int long a=1,i; for(i=1;i=n;i+) a*=i; s+=1.0/a; return s; 16.int fun( STREC *a, STREC *b ) int max=-1,i,j=0; for(i=0;ismax) max=(a+i)-s; for(i=0;iN;i+) if(ai.s=max) bj=ai; j+; return(j);17.int fun ( int aN ) int i,j=0; for(i=0;iN;i+) for(j=0;jN;j+) if(j=i)aij=0; return(1);18.void fun (char a, char b, int n)char *p,*q;int i=0;p=a;q=b;while(*p!=0)if(i!=n)*q=*p;q+;p+;i+;*q=0;19.void fun( char *a )char *p=a;while(*p=*)&(*(+p)=*);while(*p!=0)*a=*p;a+;p+;*a=0;20.int fun(char s,char c)char *q=s;char *p,*r;while(*q!=0)if(*q=c)p=q;while(*p!=0)r=p+1;*p=*r;p+;q+;21Void fun(char *tt,int pp)int i=0,a=0;for(;i26;i+)ppi=0;for(i=0;i1000&tti!=0;i+)for(;anext; while(p) sum+=p-s; p=p-next; i+; return sum/i;23void fun(STREC *a)int i;double s=0;for(i=1;i=N;i+)s=s+(*a).si);(*a).ave=(s/N);24void fun ( int ttMN, int ppN )int i,n,s,d=0;for(i=0;iN;i+)s=tt0i;for(n=0;nttni)s=ttni;ppd=s;d+;25void fun(char *s, char t) int i=0,j=0; while(*s) if(*s%2=0)&(i%2=0) tj=*s; j+; i+; s+; tj=0;26int fun(char *s,int num) int i,j; char temp; for(i=1;i5;i+) for(j=i+1;j6;j+) if(aiaj) temp=ai; ai=aj; aj=temp; return 1;27int fun(int n) int i,j=0; for(i=2;i=n/2;i+) if(n%i=0) j+=i; return j; 28double fun(int n) int i; double t=0; for(i=1;i=n;i+) if(i%5=0)|(i%9=0) t+=1.0/i; return t;29 void fun ( int m, int *a , int *n ) int i,j; *n=0; for(i=1,j=0;i=m;) if(i%7=0)|(i%11=0) aj=i; j+; (*n)+; i+; 30double fun(int n) int i; double s=0,t=0; for(i=1;i=n;i+) t+=sqrt(i); s+=t; return s;31 int fun ( int aN, int m ) int i,j; for(i=0;iN;i+) for(j=i;jN;j+) aij*=m;32double fun(int n) double s=0,t=1.0; int i; for(i=1;i=n;i+) t*=i; s+=1/t; return s; 33double fun( STREC *a, STREC *b, int *n )int i;float sum=0,ava=0;*n=0;for(i=0;iN;i+)sum=sum+float(ai.s);ava=sum/N;for(i=0;iN;i+)if(ai.sava)*n+=1;strcpy(bi.num,ai.num);bi.s=ai.s;34double fun( int m ) int i; double s=0; for(i=1;i=m;i+) s+=(log(i); return sqrt(s);35、void fun(char *s, char t) int i=0,j=0; while(si) if(i%2=1) tj=si; j+; i+; tj=0;36、void fun ( char *ss ) int i=0; while(ssi) if(i%2=1) ssi=ssi-32; i+; 37 float fun ( float *a , int n ) float s=0; int i; for(i=0;in;i+) s+=ai; s/=n; return s; 38void fun(int a, int b, long *c) *c=a/10*1000+a%10*10+b/10*100+b%10;39int fun(char *str,char *substr)int i,n=0;for(i=0;i0;i-,p+) desti-1 =*p; for(p =s;ilength;i+,p+) *p =desti;42double fun(double x9)int i,j = 0;double s1 = 0;for (i = 0; i 9; +i)if (j 8)s1 += sqrt(xi + xi+1) / 2.0);+j;return s1;43double fun(double x10)double sumk=0;double sump=0;for(int i=0;i10;i+)sumk=sumk+xi;double X1=sumk/10;for(int j=0;j10;j+)sump=sump+(xj-X1)*(xj-X1);double S=sqrt(sump/10);return S;44题对应原来的44题void fun(int a, int b, long *c) *c=a/10*10+a%10*1000+b/10+b%10*100;45void fun(char *a, char *h, char *p) char* b=h; while(hp) if(*h!=*) *b=*h; b+; h+; while(*p) *b+=*p+; *b=0;46题对应原来的46题void fun(int a, int b, long *c) *c=a/10*1000+a%10*10+b/10+b%10*100;47double fun(int n) for (i=3;i=n;i+) for(j=2;ji;j+) if(i%j=0) break;if(j=i) sum+=sqrt(i);return sum;48int fun(int t) if(t=0) return 0;i