华为OJ试题：输入一行字符，分别统计出包含英文字母、空格、数字和其它字符的个数

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#include <stdarg.h>#include <stdio.h>#include <iostream>#include <vector>#include <string.h>#include <algorithm>#include <stdlib.h>#include <memory>#include <string.h>#include <set>#include <map>#include <sstream>#include <string>using namespace std;/* 求英文字母的大小*/static int getEnglishCharCount(string str){int len = str.size();int i = 0;int count = 0;for (i = 0; i < len; i++){if ((str[i] >= 'a' && str[i] <= 'z') || (str[i] >= 'A' && str[i] <= 'Z')){++count;}}return count;}/* 求空格字符的个数 */static int getBlankCharCount(string str){int len = str.size();int i = 0;int count = 0;for (i = 0; i < len; i++){if (str[i] == ' '){++count;}}return count;}/* 求数字字符的个数 */static int getNumberCharCount(string str){int len = str.size();int i = 0;int count = 0;for (i = 0; i < len; i++){if (str[i] >= '0' && str[i] <= '9'){++count;}}return count;}/* 统计出其它字符的个数 */static int getOtherCharCount(string str){int count = str.size() - getEnglishCharCount(str);count = count - getBlankCharCount(str);count = count - getNumberCharCount(str);return count;}int main(){string str;getline(cin, str);cout << getEnglishCharCount(str) << endl;cout << getBlankCharCount(str) << endl;cout << getNumberCharCount(str) << endl;cout << getOtherCharCount(str) << endl;return 0;}

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