题解 | #字符的个数#

#include <iostream>
#include<string>
using namespace std;
int main()
{
    int a=0,b=0,c=0;
    char str[1000000];
    cin.get(str,1000000);
    char* p=str;
    while(*p!='\0')
    {
        if(*p=='a')
        {
            a++;
        }
        if(*p=='b')
        {
            b++;
        }
        if(*p=='c')
        {
            c++;
        }
        p++;
    }
    cout<<a<<" "<<b<<" "<<c<<endl;
}