gistfile1.cpp

#include "function.h"

char* reverseString(char *str) {
    const int N = strlen(str);

    for(int i = 0; i < N / 2; i++) {
        swap(str[i], str[N - i - 1]);
    }
    
    return str;
}

void humanlizeString(const char *str) {
    const char *name[] = {
        "nghin", "trieu", "ti"
    };
    const char *number[] = {
        "khong", "mot", "hai", "ba", "bon",
        "nam", "sau", "bay", "tam", "chin"
    };
    const char *name2[] = {
        "tram", "muoi", ""
    };
    
    int n = strlen(str);
    int readnum;
    int pos = 0;
    int prefix;

    while(n != 0) {
        readnum = n % 3 == 0 ? 3 : n % 3;
        
        for(int i = pos; i < pos + readnum; i++) {
            cout << number[ str[i] - '0' ] << " " << name2[i - pos] << " ";
        }

        // cin.ignore(256, ' ');

        prefix = n % 3 == 0 ? (n - 1) / 3 : n % 3;
        if(prefix - 1 >= 0)
            cout << name[prefix - 1] << " ";
        
        cout << flush;
        pos = pos + readnum;
        n -= readnum;
    }
}