题解 | #统计字符#
统计字符
https://www.nowcoder.com/practice/539054b4c33b4776bc350155f7abd8f5
#include<iostream>
#include<string>
using namespace std;
int main()
{
string s;
getline(cin, s);
int letternum = 0;
int blanknum = 0;
int num = 0;
int othernum = 0;
for (int i = 0; i < s.size(); i++)
{
if (((s[i] >= 'a') && (s[i] <= 'z')) || ((s[i] >= 'a') && (s[i] <= 'Z')))
{
letternum++;
}
else if (s[i] == ' ')
{
blanknum++;
}
else if ((s[i] >= '0') && (s[i] <= '9'))
{
num++;
}
else
{
othernum++;
}
}
cout << letternum << endl;
cout << blanknum << endl;
cout << num << endl;
cout << othernum << endl;
return 0;
}
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