MAXSlovo

#include <iostream>

int slovo(char* str);

void main()
{
    const int size = 50;
    char str[size] = " ";
    char str1[size];
    int MAX = 0;
    int i = 0;
    while (str[0] != '\n') {
        fgets(str, size, stdin);
        if (slovo(str) > MAX) {
            MAX = slovo(str);
            while (str[i] != '\n') {
                str1[i] = str[i];
                i++;
            }
            str1[i] = '\0';
            i = 0;
        }
    }
    printf("%s", str1);
    return;
}

int slovo(char* str) {
    int k = 0;
    int i = 0;
    int start = 0;
    int max = 0;
    while (str[i]) {
        if ((str[i] == ' ') || (str[i] == '\n') || (str[i] == '\0') || (str[i] == '.')) {
            k = i - start;
            if (k > max) {
                max = k;
            }
            start = i;
        }
        i++;
    }
    return max;
}