怎么編程
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JustWannaHugU
TA貢獻452條經(jīng)驗 獲得超796個贊
代碼如下,望采納
#include<stdio.h> int?main()? { ????char?ch; ????int?letter=0,i,blank=0,number=0,others=0;?? ????printf("請輸入一串字符:"); ????? ????while((ch=getchar())!=?'\n')? ????{ ????????if('a'<=ch?&&?ch<='z'?||?'A'<=ch?&&?ch<='Z')?? ????????{ ????????????letter++; ????????} ????????else?if('0'<=ch&&ch<='9') ????????{ ????????????number++; ????????} ????????else?if(ch=='?') ????????{ ????????????blank++; ????????} ????????else ????????{ ????????????others++; ????????} ????} ????printf("英文字母:%d、空格:%d、數(shù)字:%d、其他字符:%d\n",letter,blank,number,others); ????return?0; }
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