題目

統計一個文字中的最長的單詞，單詞中可以有連詞符。

分析

按順序判斷統計即可。

說明

還沒搶到回家的票，ε=(´ο｀*)))唉。

#include <stdio.h>
#include <string.h>

int is_alphabet(char c)
{
    return c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z';
}

int main() {
    char buf[10001
 
], ans[101];
    int  max_length = 0;
    while (~scanf("%s", buf) && strcmp(buf, "E-N-D")) {
        int index = 0, count = 0, start = 0;
        for (int i = 0; buf[i]; ++ i) {
            if (is_alphabet(buf[i]) || buf[i] == '-') {
                count ++;
            } else {
                if
 
 (max_length < count) {
                    max_length = count;
                    for (int j = start; j < i; ++ j) {
                        if (buf[j] >= 'A' && buf[j] <= 'Z') {
                            ans[j - start] = buf[j] - 'A' + 'a';
                        }else {
                            ans[
 
j - start] = buf[j];
                        }
                        ans[j - start + 1] = 0;
                    }
                }
                count = 0;
                start = i+1;
            }
        }
        if (max_length < count) {
            max_length = count;
            for (int j = start; buf[j]; ++j) {
                if (buf[j] >= 'A' && buf[j] <= 'Z') {
                    ans[j - start] = buf[j] - 'A' + 'a';
                } else {
                    ans[j - start] = buf[j];
                }
                ans[j - start + 1] = 0;
            }
        }
    }
    printf("%s\n", ans);

    return 0;
}