c语言题目 113道C语言题目,超经典的.doc

c语言题目 113道C语言题目,超经典的 导读：就爱阅读网友为您分享以下“113道C语言题目,超经典的”的资讯，希望对您有所帮助，感谢您对92的支持! 1.输入两个正整数，m和n，求其最大公约数和最小公倍数。#includelt;stdio.hgt;void main(){int hcf(int,int); /*函数声明*/int lcd(int,int,int); /*函数声明*/int u,v,h,l;printf(quot;Please ｉｎｐｕｔ two numbers:\nquot;);scanf(quot;%d,%dquot;,amp;u,amp;v);h=hcf(u,v);printf(quot;H.C.F=%d\nquot;,h);l=lcd(u,v,h);printf(quot;L.C.D=%d\nquot;,l);}int hcf(int u,int v){int t,r;if(vgt;u){t=u;u=v;v=t;}while((r=u%v)!=0){u=v;v=r;}return(v);}int lcd(int u,int v,int h){return(u*v/h);}2.输入一行字符，分别统计出其中字母、空格、数字和其他字符的个数。#includelt;stdio.hgt;int letter,digit,space,others;void main(){void count(char[]);char text[80];printf(quot;Please ｉｎｐｕｔ string:\nquot;);gets(text);printf(quot;string:\nquot;);puts(text);letter=0;digit=0;space=0;others=0;count(text);printf(quot;letter:%d,digit:%d,space:%d,others:%d\nquot;,letter,digit,space,others);}void count(char str[]){int i;for(i=0;str[i]!=#39;\0#39;;i++)if((str[i]gt;=#39;a#39;amp;amp;str[i]lt;=#39;z#39;)||(str[i]gt;=#39;A#39;amp;amp;str[i]lt;=#39;Z#39;))letter++;else if(str[i]gt;=#39;0#39;amp;amp;str[i]lt;=#39;9#39;)digit++;else if(str[i]==32)space++;elseothers++;}3.输入一个正整数求出它是几位数；输出原数和位数。#includelt;stdio.hgt;int digit;void main(){void count(char[]);char text[80];printf(quot;Please ｉｎｐｕｔ numbers:\nquot;);gets(text);printf(quot;Numbers:\nquot;);puts(text);digit=0;count(text);printf(quot;digit:%d\nquot;,digit);}void count(char str[]){int i;for(i=0;str[i]!=#39;\0#39;;i++)if(str[i]gt;=#39;0#39;amp;amp;str[i]lt;=#39;9#39;)digit++;}4.输入一个正整数，输出原数并逆序打印出各位数字。#includelt;stdio.hgt;void invertLongInt(long);void main(){unsigned long iNumber;printf(quot;Please ｉｎｐｕｔ a number:\nquot;);scanf(quot;%ldquot;,amp;iNumber);printf(quot;The ｉｎｐｕｔ number is:%ld\nquot;,iNumber);printf(quot;The inverse number is:quot;);invertLongInt(iNumber);}void invertLongInt(long x){if(xgt;=0amp;amp;xlt;=9)printf(quot;%d\nquot;,x);else{printf(quot;%dquot;,x%10);invertLongInt(x/10);}}5.从键盘上输入若干学生的一门课成绩，统计并输出最高成绩和最低成绩及相应的序号，当输入负数时结束输入。6.从键盘上输入