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浠ヤ笅鏄竴涓ず渚嬩唬鐮侊細

#include <stdio.h>

int countWords(char *str) {
    int count = 0;
    int isWord = 0; // 鏍囪鏄惁鍦ㄥ崟璇嶄腑

    // 閬嶅巻瀛楃涓蹭腑鐨勬瘡涓瓧绗?    for (int i = 0; str[i] != '\0'; i++) {
        // 鍒ゆ柇褰撳墠瀛楃鏄惁涓虹┖鏍兼垨鑰呮爣鐐圭鍙?        if (str[i] == ' ' || str[i] == ',' || str[i] == '.' || str[i] == '?' || str[i] == '!') {
            isWord = 0; // 涓嶅湪鍗曡瘝涓?        }
        else {
            // 鍒ゆ柇鍓嶄竴涓瓧绗︽槸鍚︽槸瀛楁瘝鎴栨暟瀛?            if (i == 0 || str[i-1] == ' ' || str[i-1] == ',' || str[i-1] == '.' || str[i-1] == '?' || str[i-1] == '!') {
                isWord = 1; // 鍦ㄥ崟璇嶄腑
                count++; // 鍗曡瘝璁℃暟鍣ㄥ姞1
            }
        }
    }
    return count;
}

int main() {
    char str[] = "Hello, World! This is a string.";
    int wordCount = countWords(str);
    printf("The number of words in the string is: %d\n", wordCount);
    return 0;
}

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