题解 | #使用字符函数统计字符串中各类型字符的个数#
使用字符函数统计字符串中各类型字符的个数
https://www.nowcoder.com/practice/31bdbc70188f48e995fa3cbef36613c8
#include <iostream> #include <string> using namespace std; int main() { string str; getline(cin, str); int whitespace = 0; int digits = 0; int chars = 0; int others = 0; // write your code here...... for (int i = 0; i < str.size(); i++) { if (str[i] >= 65 && str[i] <= 88 || str[i] >= 97 && str[i] <= 120) { chars++; } else if (str[i] == 32) { whitespace++; } else if (str[i] >= 48 && str[i] <= 57) { digits++; } else { others++; } } cout << "chars : " << chars << " whitespace : " << whitespace << " digits : " << digits << " others : " << others << endl; return 0; }