#include <stdio.h>
#include <string.h>
#include <ctype.h>
 
int main() {
    char str[200], word[50], longest[50];
    int i = 0, j = 0, maxLen = 0, len = 0;
 
    printf("Enter a sentence: ");
    fgets(str, sizeof(str), stdin);
    str[strcspn(str, "\n")] = '\0';  // remove newline
 
    while (1) {
        if (str[i] != ' ' && str[i] != '\0') {
            word[j++] = str[i];
        } else {
            word[j] = '\0';  // end current word
            len = strlen(word);
            if (len > maxLen) {
                maxLen = len;
                strcpy(longest, word);
            }
            j = 0; // reset for next word
        }
 
        if (str[i] == '\0')
            break;
 
        i++;
    }
 
    printf("\nLongest word: %s\n", longest);
    printf("Length: %d\n", maxLen);
 
    return 0;
}