C

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<Windows.h>
#include<string.h>

int main()
{
	char str[256], word[256],oneWord[30], inWord=0,maxWord=0,minWord=0, flag=0;
	int i, j, count = 0;
		while (printf("\n Enter text. For end - CTRL/Z: "), fgets(str, 255, stdin) != NULL)
		{
		    inWord=0,maxWord=0,minWord=0, flag=0;
			i = 0, j = 0;
			for (i=0; str[i]; i++)
			{
				if (inWord == 0)
				{

					if (str[i] != ' ' && str[i] != '\t' &&str[i] != '\n')
					{
						word[j++] = str[i];
						inWord = 1;
					}
				}
				else
				{
					if (str[i] != ' ' && str[i] != '\t' &&str[i] != '\n')
						word[j++] = str[i];
					else
					{
						inWord = 0;
						word[j] = '\0';
						if (j > maxWord)
							{maxWord = j; }
                        else
                            if(j<maxWord && flag==0)
							{   minWord = j;
                                flag=1;
							}
                        else
                            if(j<minWord && flag==1)
                        {
                            minWord=j;

                        }


						j = 0;
						printf("\n%s", word);
						count++;

					}

				}
			}
			printf("\n Max word is %d simbols, min word is %d simbols, number of all entered words is %d.\n", maxWord, minWord, count);

	return 0;
}