题解 | 句子逆序

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

int main() 
{
    char s[1000] = {0};
    fgets(s, 1000, stdin);
    int len = strlen(s);
    s[strcspn(s, "\n")] = '\0';
    char* end = s + len;

    char t[1000][1000] = {0};
    char* p = NULL;
    int count = 0;
    int curLen = 0;
    while((p = strrchr(s, ' ')) != NULL)
    {
        memcpy(t[count], p+1, end - p);
        t[count][strcspn(t[count], "\n")] = ' ';
        memset(p, '\0', end - p);
        ++count;
    }

    memcpy(t[count], s, strlen(s));
    ++count;
    for(int loop = 0; loop < count; ++loop)
    {
        printf("%s", t[loop]);
    }
    return 0;
}