c语言程序设计指导实验教程-高等教育出版社-实验四-参.doc

4.1.1#include int main(void)int m,n,j,k;doprintf(Input m:);scanf(%d,&m);printf(Input n:);scanf(%d,&n);while(m0|n0);j=m;while(j%n!=0)j=j+m;k=(m*n)/j;printf(%dn%dn,j,k);return 0;4.1.2#include#includeint main(void)int denominator,flag;double item,pi,eps;printf(Input eps:a);scanf(%lf,&eps);flag=1;denominator=1;item=1.0;pi=0;while(fabs(item)=eps)item=flag*1.0/denominator;pi=pi+item;flag=-flag;denominator=denominator+3;printf(s=%.6fna,pi);return 0;4.1.3#includeint main(void)int num,sum;sum=0;printf(Input integers:a);scanf(%d,&num);while(num0)if(num%2!=0)sum=sum+num;elsesum=sum;scanf(%d,&num);printf(The sum of the odd number is%dna,sum);return 0;4.1.4#includeint main (void)int n,count;printf(Input an integer:);scanf(%d,&n);count=0;if(n0) n=-n;don=n/10;count+;while(n!=0);printf(count=%dna,count);return 0;4.1.5#includeint main (void)int i,number,min,n;printf(Input n:);scanf(%d,&n);printf(Input numbers:);scanf(%d,&number);min=number;for(i=1;inumber)min=number;printf(Min=%dna,min);return 0;4.1.6#includeint main(void)int n,count,sum,number;printf(Input an integer:);scanf(%d,&number);count=0;sum=0;if(number0) n=-n;don=number%10;sum=sum+n;number=number/10;count+;while(number!=0);printf(count=%d,sum=%dna,count,sum);return 0;4.1.7#includeint main(void)int i,n;double sum,demominator,numerator;printf(Input n:);scanf(%d,&n);sum=0;numerator=2;demominator=1;for(i=1;in;i+)sum=sum+numerator/demominator;numerator=numerator+demominator;demominator=numerator-demominator;printf(s=%.2fna,sum);return 0;4.1.8#includeint main(void)int a,n,i,partsum,sum;printf(Input a,n:);scanf(%d%d,&a,&n);sum=0;partsum=0;for(i=n;i0;i-)partsum=a*i;sum=sum+partsum;a=a*10;printf(s=%dna,sum);return 0;4.1.9#include#includeint main (void)int n,i;double h,H,distance;printf(Input height:);scanf(%lf,&h);printf(Input n:);scanf(%d,&n);H=0;distance=h;for(i=1;i=n;i+)distance=distance+2*(h/pow(2,i);H=h/pow(2,n);printf(distance=%.1fnheight=%.1fna,distance,H);return 0;4.2.2#includeint main(void)int m,n,i,number,count;printf(Input m:);scanf(%d,&m);printf(Input n:);scanf(%d,&n);count=0;for(number=m;number=n;number+)for(i=2;inumber/2)printf(%d ,number);count+;if(count%6=0)printf(n);printf(n);return 0;4.2.3#includeint main (void)int fen1,fen2,fen5,money,count;printf(Input money:);scanf(%d,&money);count=0;for(fen5=1;fen5=money/5;fen5+)for(fen2=1;fen2=money/2;fen2+)for(fen1=1;fen1=money;fen1+)if(5*fen5+2*fen2+1*fen1=money)printf(fen5:%d,fen2:%d,fen1:%dna,fen5,fen2,fen1);count+;printf(count=%dna,count);return 0;4.2.4#includeint main(void)int m,n,i,number,a,b,c,n1;printf(Input m:);scanf(%d,&m);printf(Input n:);scanf(%d,&n);for(number=m;number=n;number+)a=number%10;n1=number/10;b=n1%10;c=n1/10;if(a*a*a+b*b*b+c*c*c=number)printf(%6d (%d*%d*%d+%d*%d*%d+%d*%d*%d=%d)na,number,a,a,a,b,b,b,c,c,c,number);printf(n);return 0;4.2.6#includedouble prime(int number);int main(void)int m,n,i,number,count;printf(Input m:);scanf(%d,&m);printf(Input n:);scanf(%d,&n);count=0;for(number=m;number=n;number+)if(number%2!=0) continue;elsefor(i=3;i0&prime(number-i)0) pr