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字符串長(zhǎng)度怎么自己數(shù) c語(yǔ)言統(tǒng)計(jì)一個(gè)字符串相同字符的個(gè)數(shù)?

c語(yǔ)言統(tǒng)計(jì)一個(gè)字符串相同字符的個(gè)數(shù)?//計(jì)算字符串#include“stdio中相同字符的數(shù)目。H“#include”字符串。H “int count ”str “same(char*p,char c

c語(yǔ)言統(tǒng)計(jì)一個(gè)字符串相同字符的個(gè)數(shù)?

//計(jì)算字符串#include“stdio中相同字符的數(shù)目。H“#include”字符串。H “int count ”str “same(char*p,char ch)int main(){int same ”Chchar a[100]char cprintf(“please input string:”)get(a)printf(“please input repeated characters to be counted:”)C=getchar()same “ch=count ”str “same(a,C)printf(“字符串中的字符%C重復(fù)%d次n”,C,same “ch)return 0}int count ”str_相同的(char*P,char CH){char*q=pinm=0while(*q!=“0”{if(CH==*q)mq}return m}也可以將函數(shù)寫(xiě)入頭文件,復(fù)制到include文件夾,然后通過(guò)頭文件加載。

c語(yǔ)言怎么計(jì)算字符串的字符個(gè)數(shù)?

字符串的默認(rèn)結(jié)尾是0。這里,它表示字符串的終止

~]#include<stdio。H>#包含<string。H>main(){int i,j=0,K char a[1000]//長(zhǎng)度,根據(jù)實(shí)際情況調(diào)整printf(“please input a string:n”)獲?。╝)K=strlen(a)for(i=0I<ki)if(“0”<=a[i]<=“9”)j printf(“此字符串中有%d個(gè)數(shù)字字符!n“,j)}