числа

// pppp.cpp: определяет точку входа для консольного приложения.
//

#include "stdafx.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>

void towords( int numb, char *res, int rubKop )
{
    int osn[ 11 ] = { 0, 1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000 };

    char *basis[11][10]={
        { "","","","","","","","","",""},
        { "","один","два","три","четыре","пять","шесть","семь","восемь","девять"},
        { "","десять","двадцать","тридцать","сорок","пятьдесят","шестьдесят","семьдесят","восемьдесят","девяносто"},
        { "","сто","двести","триста","четыреста","пятьсот","шестьсот","семьсот","восемьсот","девятьсот"},
        { "","одна","две","три","четыре","пять","шесть","семь","восемь","девять"},
        { "","десять","двадцать","тридцать","сорок","пятьдесят","шестьдесят","семьдесят","восемьдесят","девяносто"},
        { "","сто","двести","триста","четыреста","пятьсот","шестьсот","семьсот","восемьсот","девятьсот"},
        { "","один","два","три","четыре","пять","шесть","семь","восемь","девять"},
        { "","десять","двадцать","тридцать","сорок","пятьдесят","шестьдесят","семьдесят","восемьдесят","девяносто"},
        { "","сто","двести","триста","четыреста","пятьсот","шестьсот","семьсот","восемьсот","девятьсот"},
        { "","один","два","три ","четыре","пять","шесть","семь","восемь","девять"}};

    //массив окончаний
    char *termination[10][10]={
        {"","","","тысяч","","","миллионов","","","миллиардов"},
        {"","","","тысяча","","","миллион","","","миллиард"},
        {"","","","тысячи","","","миллиона","","","миллиарда"},
        {"","","","тысячи","","","миллиона","","","миллиарда"},
        {"","","","тысячи","","","миллиона","","","миллиарда"},
        {"","","","тысяч","","","миллионов","","","миллиардов"},
        {"","","","тысяч","","","миллионов","","","миллиардов"},
        {"","","","тысяч","","","миллионов","","","миллиардов"},
        {"","","","тысяч","","","миллионов","","","миллиардов"},
        {"","","","тысяч","","","миллионов","","","миллиардов"}};

    char *dec[ 10 ] = {"десять","одиннадцать","двенадцать","тринадцать","четырнадцать","пятнадцать","шестнадцать","семнадцать","восемнадцать","девятнадцать"};

    char *rubsKops[ 2 ][ 3 ] = {
        { "рубль", "рубля", "рублей" },
        { "копейка", "копейки", "копеек" } };

    int n1 = numb;
    int cnt = 0;

    while ( numb )
    {
        numb /= 10;
        ++cnt;
    }

    char result[ 400 ] = {};
    int celoe = 0, f = -1;

    while ( n1 )
    {
        if ( ! ( ( cnt + 1 ) % 3 ) )
        {
            if ( ( n1 / osn[ cnt ] ) == 1 )
            {
                n1 %= osn[ cnt ];
                --cnt;
                celoe = n1 / osn[ cnt ];
                n1 %= osn[ cnt ];
                strcat( result, dec[ celoe ] );
                --cnt;
                if ( !( cnt % 3 ) )
                {
                    strcat( result, " " );
                    strcat( result, termination[ 0 ][ cnt ] );
                    strcat( result, " " );
                }
                if ( !cnt )
                    f = celoe;
            }
            if ( !cnt )
                break;
        }
        celoe = n1 / osn[ cnt ];
        n1 %= osn[ cnt ];
        strcat( result, basis[ cnt ][ celoe ] );
        --cnt;
        strcat( result, " " );
        if ( !( cnt % 3 ) )
        {
            strcat( result, termination[ celoe ][ cnt ] );
            strcat( result, " " );
        }
    }

    result[ strlen( result ) - 1 ] = '\0';
    strcat( result, " " );

    if ( celoe == 1 && f < 0 )
    {
        strcat( result, rubsKops[ rubKop ][ 0 ] );
    }

    else if ( celoe >= 2 && celoe <= 4 )
    {
        strcat( result, rubsKops[ rubKop ][ 1 ] );
    }
    else
    {
        strcat( result, rubsKops[ rubKop ][ 2 ] );
    }

    strcpy( res, result );
}

int isNumber( char *s, int *isFloat )
{
    int i, c = 0;

    while ( *s != '\0' && *s != '\n' )
    {
        if ( *s == '.' )
            ++c;
        else if ( ( *s ) < '0' || ( *s ) > '9' )
            return 0;
        ++s;
    }
    if ( c == 1 )
        *isFloat = 1;
    return 1;
}

void splitter( char *s, char *i, char *f )
{
    char *ptr = strtok( s, "." );
    strcpy( i, ptr );
    ptr = strtok( NULL, "." );
    if ( ptr )
        strcpy( f, ptr );
}

void conversionString( char *str, char *newStr )
{
    char word[ 400 ], temp[ 400 ], ww[ 400 ], ff[ 400 ];
    strcpy( newStr, "" );
    char *pointer = strtok( str, " !?" );

    char arr[ 50 ][ 400 ];

    int i, n = 0;
    while ( pointer )
    {
        strcpy( arr[ n++ ], pointer );
        pointer = strtok( NULL, " ?!" );
    }

    for( i = 0; i < n; ++i )
    {
        int isFloat = 0;
        if ( isNumber( arr[ i ], &isFloat ) )
        {
            if ( isFloat )
            {
                splitter( arr[ i ], ww, ff );
                towords( atoi( ww ), word, 0 );
                strcat( newStr, " " );
                strcat( newStr, word );
                towords( atoi( ff ), word, 1 );
            }
            else
            {
                towords( atoi( arr[ i ] ), word, 0 );
            }
            strcat( newStr, " " );
            strcat( newStr, word );
        }
        else
        {
            strcat( newStr, " " );
            strcat( newStr, arr[ i ] );
        }
    }
    newStr[ strlen( newStr ) - 1 ] = '\0';
    puts( newStr );
}

void readFile( FILE *f )
{
    char str[ 400 ], newStr[ 400 ];
    while ( !feof( f ) )
    {
        fgets( str, 400, f );
        if ( !feof( f ) )
            conversionString( str, newStr );
    }
}

int main()
{
    FILE *input;

    if ( ( input = fopen( "input.txt", "r" ) ) != NULL )
    {
        readFile( input );
        fclose( input );
    }
    else
        printf( "File is not found!\n" );

    return 0;
}