HackerRank The Time in Words Solution

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

char words[][21] = {"o' clock", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen", "twenty"};

int main() {

    int minutes, hours;
    int half = 0; //0 if minutes are less than 30, 1 if greater than 30
    scanf("%d %d", &hours, &minutes);
    
    if (minutes > 30) {
        minutes = 60-minutes; //to account for the "To"
        half = 1;
    }
    
    if (minutes < 21 && minutes != 15 && minutes != 0 && minutes != 1) {
        printf("%s minutes ", words[minutes]);
    }
    else if (minutes == 1) {
        printf("%s minute ", words[minutes]);
    }
    else if (minutes > 20 && minutes < 30) {
        printf("%s %s minutes ", words[20], words[minutes-20]);
    }
    else if (minutes == 15) {
        printf("quarter ");
    }
    else if (minutes == 30) {
        printf("half ");
    }
    
    if (half && minutes != 0) {
        printf("to %s", words[hours+1]);
    }
    else if (!half && minutes != 0){
        printf("past %s", words[hours]);
    }
    else {
        printf("%s %s", words[hours], words[0]);
    }
            
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */    
    return 0;
}

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

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


int main() {
    int H,M;
    cin >> H >> M;
    if (M==0) {
        printf("%s o' clock\n",words[H-1].c_str());
    } else if (M==1) {
        printf("one minute past %s\n",words[H-1].c_str());
    } else if (M==15) {
        printf("quarter past %s\n",words[H-1].c_str());
    } else if (M<30) {
        printf("%s minutes past %s\n",words[M-1].c_str(),words[H-1].c_str());
    } else if (M==30) {
        printf("half past %s\n",words[H-1].c_str());
    } else if (M==45) {
        printf("quarter to %s\n",words[H%12].c_str());
    } else if (M==59) {
        printf("one minute to %s\n",words[H%12].c_str());
    } else {
        printf("%s minutes to %s\n",words[60-M-1].c_str(),words[H%12].c_str());
    }
    
    return 0;
}

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        String[] numberWords = new String[] {
				"",
				"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"
		};
		
		Scanner in = new Scanner(System.in);
		int hour = in.nextInt();
		int minute = in.nextInt();
		
		int nextHour = (hour % 12) + 1;
		
		if(minute == 0) {
			System.out.printf("%s o' clock\n", numberWords[hour]);
		}
		
		else if(minute == 15) {
			System.out.printf("quarter past %s\n", numberWords[hour]);
		}
		
		else if(minute == 30) {
			System.out.printf("half past %s\n", numberWords[hour]);
		}
		
		else if(minute == 45) {
			System.out.printf("quarter to %s\n", numberWords[nextHour]);
		}
		
		else if(minute < 30) {
			System.out.printf("%s minutes past %s\n", numberWords[minute], numberWords[hour]);
		}
		
		else {
			System.out.printf("%s minutes to %s\n", numberWords[60 - minute], numberWords[nextHour]);
		}
    }
}

# Enter your code here. Read input from STDIN. Print output to STDOUT
H = int(raw_input())
M = int(raw_input())

def word(x):
    unit = ["", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"]
    dec = ["", "ten", "twenty", "thirty", "forty", "fifty"]
    if x < 20:
        return unit[x]
    return dec[x/10] + " " + unit[x%10]

def minu(x):
    w = word(x)
    if x == 1: return w + " minute"
    else: return w + " minutes"

if M == 0:
    print "{} o' clock".format(word(H))
elif M == 15:
    print "quarter past {}".format(word(H))
elif M == 45:
    print "quarter to {}".format(word(H+1))
elif M == 30:
    print "half past {}".format(word(H))
elif M < 30:
    print "{} past {}".format(minu(M), word(H))
else:
    print "{} to {}".format(minu(60-M), word(H+1))

var numbers = [
	"zero", "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"];
function processData(input) {
    var datas = input.split('\n');
    var time = +datas[0],
        minute = +datas[1];
    
    var time_str = getMinute(minute) + " " + getTime(time, minute);
    console.log(time_str.trim()); 
} 
function getTime(time, minute) {
    var str = "";
    if(minute>30) {
        str += numbers[(time + 1) % 12];
    } else {
        str += numbers[time]; 
    }
    if(minute==0) {
        str+= " o' clock";
    }
    return str;
}
function getMinute(minute) {
    var str = "";
    var to_min = 0;
    if (minute > 0 && minute <= 30) {
        str = numbers[minute];
        if(minute!=15 && minute!=30) {
            str += " minute" + (minute!=1?"s":"");
        }
        str += " past";
    } else if(minute>30) {
        to_min = 60 - minute;
        str = numbers[to_min];
        if(to_min != 15) {
            str += " minute" + (to_min!=1?"s":"");
        }
        str+=" to";
    }
    return str;
}


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

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

object Solution {

    def main(args: Array[String]) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution
*/
        val hours = readInt
        val min   = readInt
            
        val numwordsC = Map(
            0 -> "",
            1 -> "one",
            2 -> "two",
            3 -> "three",
            4 -> "four",
            5 -> "five",
            6 -> "six",
            7 -> "seven",
            8 -> "eight",
            9 -> "nine",
            10 -> "ten",
            11 -> "eleven",
            12 -> "twelve",
            13 -> "thirteen",
            14 -> "fourteen",
            15 -> "fifteen",
            16 -> "sixteen",
            17 -> "seventeen",
            18 -> "eighteen",
            19 -> "nineteen",
            20 -> "twenty",
            30 -> "thirty",
            40 -> "forty",
            50 -> "fifty"
        )
            
        def numwords(i: Int) = {
            i match {
                case i: Int if i <= 20 => numwordsC(i)
                case i: Int if i > 20 => {
                   val sup = numwordsC((i / 10) * 10)
                   val sub = numwordsC(i % 10)
                   if(sup != "") s"$sup $sub" else s"$sub"
                }
            }
        }
        def hourfix(i:Int) = {
            val hr = if(i==12) 12 else (i % 12)
            if(hr == 0) 1 else hr
        }
        
        val min0 = "o' clock"
        val min1 = "one minute past"
        val min15 = "quarter past"
        val minspast = "minutes past"
        val min30 = "half past"
        val minto = "minute to"
        val minsto = "minutes to"
        val min45 = "quarter to"
            
        val result = min match {
            case 0 => s"${numwords(hourfix(hours))} $min0"
            case 1 => s"$min1 ${numwords(hourfix(hours))}"
            case 59=> s"${numwords(60 - min)} $minto ${numwords(hourfix(hours+1))}"
            case 15 => s"$min15 ${numwords(hourfix(hours))}"
            case 30 => s"$min30 ${numwords(hourfix(hours))}"
            case 45 => s"$min45 ${numwords(hourfix(hours+1))}"
            case min:Int if min < 30 => s"${numwords(min)} $minspast ${numwords(hourfix(hours))}"
            case min:Int if min > 30 => s"${numwords(60 - min)} $minsto ${numwords(hourfix(hours+1))}"
        }
        
        println(result)
         
    }
}

(* Enter your code here. Read input from STDIN. Print output to STDOUT *)
Program TheTimeInWords;
var H,M: Integer;
const nums:array [0..20] of string = ('0''clock', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten', 'eleven', 'twelve', 'thirteen', 'fourteen', 'quarter', 'sixteen', 'seventeen', 'eighteen', 'ninteen', 'twenty');
begin
  readln(H);
  readln(M);
  if M > 30 then begin Inc(H); if H = 13 then H := 1; end;
  if M = 0 then writeln(nums[H] + ' o'' clock')
  else if M = 1 then writeln('one minute past ' + nums[H])
  else if M = 15 then writeln('quarter past ' + nums[H])
  else if M <= 20 then writeln(nums[M] + ' minutes past ' + nums[H])
  else if M < 30 then writeln('twenty ' + nums[M - 20] + ' minutes past ' + nums[H])
  else if M = 30 then writeln('half past ' + nums[H])
  else if M < 40 then writeln('twenty ' + nums[40 - M] + ' minutes to ' + nums[H])
  else if M = 45 then writeln('quarter to ' + nums[H])
  else if M < 59 then writeln(nums[60 - M] + ' minutes to ' + nums[H])
  else writeln('one minute to ' + nums[H]);
end.