题解 | #统计字符串中各类型字符的个数#
统计字符串中各类型字符的个数
https://www.nowcoder.com/practice/d5b44c494ed24d8ebb10607c469280e3
#include <iostream> #include <cstring> using namespace std; int main() { int letter = 0; int digit = 0; int space = 0; int other = 0; char buf[1024] = {0}; cin.getline(buf, sizeof(buf)); // write your code here...... for (int i = 0; buf[i] != '\0'; i++) { if (buf[i] == ' ') { space++; } else if (buf[i] >= 48 && buf[i] <= 57) { digit++; } else if (buf[i] >= 65 && buf[i] <= 90 || buf[i] >= 97 && buf[i] <= 122) { letter++; } else { other++; } } cout << "letter:" << letter << " digit:" << digit << " space:" << space << " other:" << other << endl; return 0; }