题解 | #计算某字符出现次数#
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
#include<iostream>
#include<string>
using namespace std;
int main(){
string str;
char c;
getline(cin,str);
cin>>c;
int res=0;
for(auto &s:str)
{
if(isalpha(c))
{
if((s-c-0)==0 || abs(s-c-0)==32 ) res++;
}
else if(isdigit(c))
{
if(s==c) res++;
}
}
cout<<res<<endl;
return 0;
}
#include<string>
using namespace std;
int main(){
string str;
char c;
getline(cin,str);
cin>>c;
int res=0;
for(auto &s:str)
{
if(isalpha(c))
{
if((s-c-0)==0 || abs(s-c-0)==32 ) res++;
}
else if(isdigit(c))
{
if(s==c) res++;
}
}
cout<<res<<endl;
return 0;
}
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