HackerRank The Time in Words problem solution

YASH PAL,

In this HackerRank The Time in Words problem solution you have Given the time in numerals we may convert it into words.

At minutes=0, use o’ clock. For 1 <= minutes <= 30, use past, and for 30 < minutes use to. Note the space between the apostrophe and clock in o’ clock. Write a program which prints the time in words for the input given in the format described.

Function Description

Complete the timeInWords function in the editor below.

timeInWords has the following parameter(s):

  • int h: the hour of the day
  • int m: the minutes after the hour

Returns

  • string: a time string as described

Input Format

The first line contains , the hours portion The second line contains , the minutes portion

HackerRank The Time in Words problem solution

Hackerrank The Time in Words problem solution in Python.

minutes = ['zero','one','two','three','four','five',
           'six','seven','eight','nine','ten',
           'eleven','twelve','thirteen','fourteen',
           'fifteen','sixteen','seventeen','eighteen',
           'nineteen','twenty','twenty one', 'twenty two',
           'twenty three','twenty four','twenty five',
           'twenty six','twenty seven','twenty eight',
           'twenty nine', 'thirty']
hours = ['zero','one','two','three','four','five',
         'six','seven','eight','nine','ten','eleven','twelve']

H = int(input())
M = int(input())

if M == 0:
    print(hours[H],"o' clock")
elif M == 15:
    print("quarter past",hours[H])
elif M == 30:
    print("half past",hours[H])
elif M == 45:
    if H == 12:
        print("quarter to",hours[1])
    else:
        print("quarter to",hours[H+1])
elif M > 0 and M < 30:
    print(minutes[M],"minutes past",hours[H])
elif M > 30 and M < 60:
    if H == 12:
        print(minutes[60-M],"minutes to",hours[1])
    else:
        print(minutes[60-M],"minutes to",hours[H+1])

The Time in Words problem solution in Java programming.

import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        
		Scanner sc = new Scanner(System.in);
		Integer hour = Integer.parseInt(sc.nextLine());
		Integer min = Integer.parseInt(sc.nextLine());
		String[] numNames = { "", " one", " two", " three", " four", " five",
				" six", " seven", " eight", " nine", " ten", " eleven",
				" twelve", " thirteen", " fourteen", " fifteen", " sixteen",
				" seventeen", " eighteen", " nineteen" };
		String[] tensNames = { "", " ten", " twenty", " thirty", " fourty",
				" fifty", " sixty", " seventy", " eighty", " ninety" };
		String sepString1 = " minutes past ";
		String sepString2 = " minutes to ";
		String minString = "";
		if (min == 0)
			System.out.println(numNames[hour].trim() + " o' clock");
		else if (min == 15)
			System.out.println("quarter past " + numNames[hour].trim());
		else if (min < 30) {
			if (min == 1)
				sepString1 = " minute past ";
			if (min < 20)
				minString = numNames[min % 20];
			else {
				minString = numNames[min % 10];
				min /= 10;
				minString = tensNames[min % 10] + minString;
			}
			System.out.println(minString.trim() + sepString1
					+ numNames[hour].trim());
		} else if (min == 30)
			System.out.println("half past " + numNames[hour].trim());
		else if (min == 45)
			System.out.println("quarter to "
					+ numNames[hour + 1 < 12 ? hour + 1 : 1].trim());
		else if (min > 30) {
			min = 60 - min;
			if (min == 1)
				sepString2 = " minute to ";
			if (min < 20)
				minString = numNames[min % 20];
			else {
				minString = numNames[min % 10];
				min /= 10;
				minString = tensNames[min % 10] + minString;
			}
			System.out.println(minString.trim() + sepString2
					+ numNames[hour + 1 <= 12 ? hour + 1 : 1].trim());
		}
    }
}

Problem solution in C++ programming.

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

string nums[30] = {
"one",
"two",
"three",
"four",
"five",
"six",
"seven",
"eight",
"nine",
"ten",
"eleven",
"twelve",
"thirteen",
"fourteen",
"quarter",
"sixteen",
"seventeen",
"eighteen",
"nineteen",
"twenty",
"twenty one",
"twenty two",
"twenty three",
"twenty four",
"twenty five",
"twenty six",
"twenty seven",
"twenty eight",
"twenty nine",
"half"
};

int main() {
    int H, M;
    cin >> H >> M;
    string joiner;
    if (M == 0){
        cout << nums[H-1] << " o' clock";
        return 0;
    }
    else if (M > 30) {
        joiner = "to";
        M = 60 - M;
        H %= 12;
        H ++;
    } else {
        joiner = "past";
    }
    string min = " minutes ";
    if (M == 1)
        min = " minute ";
    if (M == 15 || M == 30) {
        min = " ";
    }
    cout << nums[M-1] << min << joiner << " " << nums[H-1];
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}

Problem solution in C programming.

#include <stdio.h>

const char *min[] = {
    "",
    "one",
    "two",
    "three",
    "four",
    "five",
    "six",
    "seven",
    "eight",
    "nine",
    "ten",
    "eleven",
    "twelve",
    "thirteen",
    "fourteen",
    "quarter",
    "sixteen",
    "seventeen",
    "eighteen",
    "nineteen",
    "twenty",
    "twenty one",
    "twenty two",
    "twenty three",
    "twenty four",
    "twenty five",
    "twenty six",
    "twenty senen",
    "twenty eight",
    "twenty nine",
    "half past",
};

//#define stMin (sizeof(min) / sizeof(const char *))

int main() {
    int H, M;
    
    //int T;
    //scanf(" %d", &T);
    //while(T--) {
        
    scanf(" %d %d", &H, &M);
    //printf("n%d:%d = ", H, M);

    if(M <= 30) {
        if(M == 0)       printf("%s o' clock", min[H]);
        else if(M == 1)  printf("%s minute past %s", min[M], min[H]);
        else if(M == 15) printf("quarter past %s", min[H]);
        else if(M == 30) printf("half past %s", min[H]);
        else             printf("%s minutes past %s", min[M], min[H]);
    }
    else {
        M = 60 - M;
        if(++H == 13)    H = 1;
        
        if(M == 1)       printf("%s minute to %s", min[M], min[H]);
        else if(M == 15) printf("quarter to %s", min[H]);
        else             printf("%s minutes to %s", min[M], min[H]);
    }
    
    //printf("n");

    //}
    return 0;
}

Problem solution in JavaScript programming.

function getInt(number) {
    return parseInt(number, 10);
}

function hTranslator(number) {
    var words;   
    
    number = getInt(number);
    
    switch (number) {
        case 1:
            words = 'one';
            break;
        case 2:
            words = 'two';
            break;
        case 3:
            words = 'three';
            break;
        case 4:
            words = 'four';
            break;
        case 5:
            words = 'five';
            break;
        case 6:
            words = 'six';
            break;
        case 7:
            words = 'seven';
            break;
        case 8:
            words = 'eight';
            break;
        case 9:
            words = 'nine';
            break;
        case 10:
            words = 'ten';
            break;
        case 11:
            words = 'eleven';
            break;
        case 12:
            words = 'twelve';
            break;
    }
    
    return words;
}

function mTranslator(number) {
    var words = [];        
    
    number = getInt(number);
    
    if (number === 30) {
        words.push('half');
    } else if (number > 19) {
        words.push('twenty');
        number -= 20;
    } else if (number > 9) {
        switch (number) {
            case 10:
                words.push('ten');
                break;
            case 11:
                words.push('eleven');
                break;
            case 12:
                words.push('twelve');
                break;
            case 13:
                words.push('thirteen');
                break;
            case 14:
                words.push('fourteen');
                break;
            case 15:
                words.push('quarter');
                break;
            case 16:
                words.push('sixteen');
                break;
            case 17:
                words.push('seventeen');
                break;
            case 18:
                words.push('eightteen');
                break;
            case 19:
                words.push('nineteen');
                break;
        }
    }
    
    if (number > 19 || number < 10) {
        switch (number) {
            case 1:
                words.push('one');
                break;
            case 2:
                words.push('two');
                break;
            case 3:
                words.push('three');
                break;
            case 4:
                words.push('four');
                break;
            case 5:
                words.push('five');
                break;
            case 6:
                words.push('six');
                break;
            case 7:
                words.push('seven');
                break;
            case 8:
                words.push('eight');
                break;
            case 9:
                words.push('nine');
                break;
        }
    }
    
    return words.join(' ');
}

function processData(input) {
    var data = input.split(/n/),
        hours = getInt(data[0].trim()),
        minutes = getInt(data[1].trim()),
        middle,
        timeString = [];
    
    if (minutes == 0) {
        timeString = hTranslator(hours) + ' o' clock';
    } else {
        if (minutes > 30) {
            if (hours === 12) {
                hours = 1;
            } else {
                ++hours;
            }
            minutes = 60 - minutes;
            middle = 'to';
            //timeString = 'to ' + hTranslator(hours);
        } else {
            middle = 'past';
            //timeString = 'past ' + hTranslator(hours);
        }
        if ([15, 30].indexOf(minutes) === -1) {
            //timeString = ' minute' + (minutes === 1 ? ' ' : 's ') + timeString;
        }
        
        timeString.push(mTranslator(minutes));
        if ([15, 30].indexOf(minutes) === -1) {
            timeString.push('minute' + (minutes === 1 ? '' : 's'));
        }
        timeString.push(middle);
        timeString.push(hTranslator(hours));
        
        timeString = timeString.join(' ');
    }
    
    process.stdout.write(timeString);
} 

process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
    _input += input;
});

process.stdin.on("end", function () {
   processData(_input);
});

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