C语言主观题综合

”DE);\rprintf(,'\nn);\r}\rreturn 0;\r)\r7 .\r" 10%@AFG?H)IJKEnterL <HM% . (\r#include<stdio.h>\rvoid main()\r(\r//char a[50];\rint Ietter=0,number=0,blank=0,other=0;\r//int i;\r//gets(a);\rchar c;\rwhile ((c=getchar())!-\n*)\r//fbr(i=0;i<50,a[i]='\n,;i++)\r|\rif((c>=,A,&&c<=,Z,)||(c>=,a,&&c<=,z'))\rletter++;\relse if(c>=,0,&&c<=,9,)\rnumber-H-;\relse iR c = '')\rblank-H-;\relse other-H-8\r)\rprintfi(,'letter=%d,number=%d,blank=%d,other=%dn,letter,number,blank,other);\r}\r8 . 1 \ +2! +WW+20!\r# include <stdio.h>\r# include <math.h>\rvoid main()\r(\r/*GP 1! +2! +......+20! */\rint i,n;\rlong t=l,sum=0;\rprintff\r"Q n\nn);\rscanf("%dn,&n);\rfdr(i=l;i<=n;i++).\rt=t*i;\rsum=sum+t;\r}\rprintftn%dn,sum);