WeixiangYan/CodeTransOcean huggingface dataset:
Task: Chaos game




Go: package main

import (
	"fmt"
	"image"
	"image/color"
	"image/draw"
	"image/gif"
	"log"
	"math"
	"math/rand"
	"os"
	"time"
)

var bwPalette = color.Palette{
	color.Transparent,
	color.White,
	color.RGBA{R: 0xff, A: 0xff},
	color.RGBA{G: 0xff, A: 0xff},
	color.RGBA{B: 0xff, A: 0xff},
}

func main() {
	const (
		width          = 160
		frames         = 100
		pointsPerFrame = 50
		delay          = 100 * time.Millisecond
		filename       = "chaos_anim.gif"
	)

	var tan60 = math.Sin(math.Pi / 3)
	height := int(math.Round(float64(width) * tan60))
	b := image.Rect(0, 0, width, height)
	vertices := [...]image.Point{
		{0, height}, {width, height}, {width / 2, 0},
	}

	
	m := image.NewPaletted(b, bwPalette)
	for y := b.Min.Y; y < b.Max.Y; y++ {
		bg := int(math.Round(float64(b.Max.Y-y) / 2 / tan60))
		for x := b.Min.X + bg; x < b.Max.X-bg; x++ {
			m.SetColorIndex(x, y, 1)
		}
	}

	
	var p image.Point
	rand.Seed(time.Now().UnixNano())
	p.Y = rand.Intn(height) + b.Min.Y
	p.X = rand.Intn(width) + b.Min.X 

	anim := newAnim(frames, delay)
	addFrame(anim, m)
	for i := 1; i < frames; i++ {
		for j := 0; j < pointsPerFrame; j++ {
			
			vi := rand.Intn(len(vertices))
			v := vertices[vi]
			
			p.X = (p.X + v.X) / 2
			p.Y = (p.Y + v.Y) / 2
			m.SetColorIndex(p.X, p.Y, uint8(2+vi))
		}
		addFrame(anim, m)
	}
	if err := writeAnim(anim, filename); err != nil {
		log.Fatal(err)
	}
	fmt.Printf("wrote to %q\n", filename)
}



func newAnim(frames int, delay time.Duration) *gif.GIF {
	const gifDelayScale = 10 * time.Millisecond
	g := &gif.GIF{
		Image: make([]*image.Paletted, 0, frames),
		Delay: make([]int, 1, frames),
	}
	g.Delay[0] = int(delay / gifDelayScale)
	return g
}
func addFrame(anim *gif.GIF, m *image.Paletted) {
	b := m.Bounds()
	dst := image.NewPaletted(b, m.Palette)
	draw.Draw(dst, b, m, image.ZP, draw.Src)
	anim.Image = append(anim.Image, dst)
	if len(anim.Delay) < len(anim.Image) {
		anim.Delay = append(anim.Delay, anim.Delay[0])
	}
}
func writeAnim(anim *gif.GIF, filename string) error {
	f, err := os.Create(filename)
	if err != nil {
		return err
	}
	err = gif.EncodeAll(f, anim)
	if cerr := f.Close(); err == nil {
		err = cerr
	}
	return err
}




Python: from __future__ import division

size(300, 260)

background(255)  

x = floor(random(width))
y = floor(random(height))

for _ in range(30000):
    v = floor(random(3))
    if v == 0:
        x = x / 2
        y = y / 2
        colour = color(0, 255, 0)  
    elif v == 1:
        x = width / 2 + (width / 2 - x) / 2
        y = height - (height - y) / 2
        colour = color(255, 0, 0)  
    elif v == 2:
        x = width - (width - x) / 2
        y = y / 2
        colour = color(0, 0, 255)  

    set(x, height - y, colour)
Task: Catalan numbers_Pascal's triangle


C++: 



#include <iostream>
int main() {
  const int N = 15;
  int t[N+2] = {0,1};
  for(int i = 1; i<=N; i++){
    for(int j = i; j>1; j--) t[j] = t[j] + t[j-1];
    t[i+1] = t[i];
    for(int j = i+1; j>1; j--) t[j] = t[j] + t[j-1];
    std::cout << t[i+1] - t[i] << " ";
  }
  return 0;
}


C#: int n = 15;
List<int> t = new List<int>() { 0, 1 };
for (int i = 1; i <= n; i++)
{
    for (var j = i; j > 1; j--) t[j] += t[j - 1];
    t.Add(t[i]);
    for (var j = i + 1; j > 1; j--) t[j] += t[j - 1];
    Console.Write(((i == 1) ? "" : ", ") + (t[i + 1] - t[i]));
}
Task: Catalan numbers_Pascal's triangle


C++: 



#include <iostream>
int main() {
  const int N = 15;
  int t[N+2] = {0,1};
  for(int i = 1; i<=N; i++){
    for(int j = i; j>1; j--) t[j] = t[j] + t[j-1];
    t[i+1] = t[i];
    for(int j = i+1; j>1; j--) t[j] = t[j] + t[j-1];
    std::cout << t[i+1] - t[i] << " ";
  }
  return 0;
}



Go: package main

import "fmt"

func main() {
    const n = 15
    t := [n + 2]uint64{0, 1}
    for i := 1; i <= n; i++ {
        for j := i; j > 1; j-- {
            t[j] += t[j-1]
        }
        t[i+1] = t[i]
        for j := i + 1; j > 1; j-- {
            t[j] += t[j-1]
        }
        fmt.Printf("%2d : %d\n", i, t[i+1]-t[i])
    }
}
Task: Catalan numbers_Pascal's triangle


C++: 



#include <iostream>
int main() {
  const int N = 15;
  int t[N+2] = {0,1};
  for(int i = 1; i<=N; i++){
    for(int j = i; j>1; j--) t[j] = t[j] + t[j-1];
    t[i+1] = t[i];
    for(int j = i+1; j>1; j--) t[j] = t[j] + t[j-1];
    std::cout << t[i+1] - t[i] << " ";
  }
  return 0;
}




Java: public class Test {
    public static void main(String[] args) {
        int N = 15;
        int[] t = new int[N + 2];
        t[1] = 1;

        for (int i = 1; i <= N; i++) {

            for (int j = i; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            t[i + 1] = t[i];

            for (int j = i + 1; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            System.out.printf("%d ", t[i + 1] - t[i]);
        }
    }
}
Task: Catalan numbers_Pascal's triangle


C++: 



#include <iostream>
int main() {
  const int N = 15;
  int t[N+2] = {0,1};
  for(int i = 1; i<=N; i++){
    for(int j = i; j>1; j--) t[j] = t[j] + t[j-1];
    t[i+1] = t[i];
    for(int j = i+1; j>1; j--) t[j] = t[j] + t[j-1];
    std::cout << t[i+1] - t[i] << " ";
  }
  return 0;
}






Python: >>> n = 15
>>> t = [0] * (n + 2)
>>> t[1] = 1
>>> for i in range(1, n + 1):
	for j in range(i, 1, -1): t[j] += t[j - 1]
	t[i + 1] = t[i]
	for j in range(i + 1, 1, -1): t[j] += t[j - 1]
	print(t[i+1] - t[i], end=' ')

	
1 2 5 14 42 132 429 1430 4862 16796 58786 208012 742900 2674440 9694845 
>>>
Task: Catalan numbers_Pascal's triangle


C++: 



#include <iostream>
int main() {
  const int N = 15;
  int t[N+2] = {0,1};
  for(int i = 1; i<=N; i++){
    for(int j = i; j>1; j--) t[j] = t[j] + t[j-1];
    t[i+1] = t[i];
    for(int j = i+1; j>1; j--) t[j] = t[j] + t[j-1];
    std::cout << t[i+1] - t[i] << " ";
  }
  return 0;
}







VB: Sub catalan()
    Const n = 15
    Dim t(n + 2) As Long
    Dim i  As Integer, j As Integer
    t(1) = 1
    For i = 1 To n
        For j = i + 1 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        t(i + 1) = t(i)
        For j = i + 2 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        Debug.Print i, t(i + 1) - t(i)
    Next i
End Sub
Task: Catalan numbers_Pascal's triangle



C#: int n = 15;
List<int> t = new List<int>() { 0, 1 };
for (int i = 1; i <= n; i++)
{
    for (var j = i; j > 1; j--) t[j] += t[j - 1];
    t.Add(t[i]);
    for (var j = i + 1; j > 1; j--) t[j] += t[j - 1];
    Console.Write(((i == 1) ? "" : ", ") + (t[i + 1] - t[i]));
}


Go: package main

import "fmt"

func main() {
    const n = 15
    t := [n + 2]uint64{0, 1}
    for i := 1; i <= n; i++ {
        for j := i; j > 1; j-- {
            t[j] += t[j-1]
        }
        t[i+1] = t[i]
        for j := i + 1; j > 1; j-- {
            t[j] += t[j-1]
        }
        fmt.Printf("%2d : %d\n", i, t[i+1]-t[i])
    }
}
Task: Catalan numbers_Pascal's triangle



C#: int n = 15;
List<int> t = new List<int>() { 0, 1 };
for (int i = 1; i <= n; i++)
{
    for (var j = i; j > 1; j--) t[j] += t[j - 1];
    t.Add(t[i]);
    for (var j = i + 1; j > 1; j--) t[j] += t[j - 1];
    Console.Write(((i == 1) ? "" : ", ") + (t[i + 1] - t[i]));
}



Java: public class Test {
    public static void main(String[] args) {
        int N = 15;
        int[] t = new int[N + 2];
        t[1] = 1;

        for (int i = 1; i <= N; i++) {

            for (int j = i; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            t[i + 1] = t[i];

            for (int j = i + 1; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            System.out.printf("%d ", t[i + 1] - t[i]);
        }
    }
}
Task: Catalan numbers_Pascal's triangle



C#: int n = 15;
List<int> t = new List<int>() { 0, 1 };
for (int i = 1; i <= n; i++)
{
    for (var j = i; j > 1; j--) t[j] += t[j - 1];
    t.Add(t[i]);
    for (var j = i + 1; j > 1; j--) t[j] += t[j - 1];
    Console.Write(((i == 1) ? "" : ", ") + (t[i + 1] - t[i]));
}





Python: >>> n = 15
>>> t = [0] * (n + 2)
>>> t[1] = 1
>>> for i in range(1, n + 1):
	for j in range(i, 1, -1): t[j] += t[j - 1]
	t[i + 1] = t[i]
	for j in range(i + 1, 1, -1): t[j] += t[j - 1]
	print(t[i+1] - t[i], end=' ')

	
1 2 5 14 42 132 429 1430 4862 16796 58786 208012 742900 2674440 9694845 
>>>
Task: Catalan numbers_Pascal's triangle



C#: int n = 15;
List<int> t = new List<int>() { 0, 1 };
for (int i = 1; i <= n; i++)
{
    for (var j = i; j > 1; j--) t[j] += t[j - 1];
    t.Add(t[i]);
    for (var j = i + 1; j > 1; j--) t[j] += t[j - 1];
    Console.Write(((i == 1) ? "" : ", ") + (t[i + 1] - t[i]));
}






VB: Sub catalan()
    Const n = 15
    Dim t(n + 2) As Long
    Dim i  As Integer, j As Integer
    t(1) = 1
    For i = 1 To n
        For j = i + 1 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        t(i + 1) = t(i)
        For j = i + 2 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        Debug.Print i, t(i + 1) - t(i)
    Next i
End Sub
Task: Catalan numbers_Pascal's triangle




Go: package main

import "fmt"

func main() {
    const n = 15
    t := [n + 2]uint64{0, 1}
    for i := 1; i <= n; i++ {
        for j := i; j > 1; j-- {
            t[j] += t[j-1]
        }
        t[i+1] = t[i]
        for j := i + 1; j > 1; j-- {
            t[j] += t[j-1]
        }
        fmt.Printf("%2d : %d\n", i, t[i+1]-t[i])
    }
}


Java: public class Test {
    public static void main(String[] args) {
        int N = 15;
        int[] t = new int[N + 2];
        t[1] = 1;

        for (int i = 1; i <= N; i++) {

            for (int j = i; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            t[i + 1] = t[i];

            for (int j = i + 1; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            System.out.printf("%d ", t[i + 1] - t[i]);
        }
    }
}
Task: Catalan numbers_Pascal's triangle





Java: public class Test {
    public static void main(String[] args) {
        int N = 15;
        int[] t = new int[N + 2];
        t[1] = 1;

        for (int i = 1; i <= N; i++) {

            for (int j = i; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            t[i + 1] = t[i];

            for (int j = i + 1; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            System.out.printf("%d ", t[i + 1] - t[i]);
        }
    }
}



Python: >>> n = 15
>>> t = [0] * (n + 2)
>>> t[1] = 1
>>> for i in range(1, n + 1):
	for j in range(i, 1, -1): t[j] += t[j - 1]
	t[i + 1] = t[i]
	for j in range(i + 1, 1, -1): t[j] += t[j - 1]
	print(t[i+1] - t[i], end=' ')

	
1 2 5 14 42 132 429 1430 4862 16796 58786 208012 742900 2674440 9694845 
>>>
Task: Catalan numbers_Pascal's triangle





Java: public class Test {
    public static void main(String[] args) {
        int N = 15;
        int[] t = new int[N + 2];
        t[1] = 1;

        for (int i = 1; i <= N; i++) {

            for (int j = i; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            t[i + 1] = t[i];

            for (int j = i + 1; j > 1; j--)
                t[j] = t[j] + t[j - 1];

            System.out.printf("%d ", t[i + 1] - t[i]);
        }
    }
}




VB: Sub catalan()
    Const n = 15
    Dim t(n + 2) As Long
    Dim i  As Integer, j As Integer
    t(1) = 1
    For i = 1 To n
        For j = i + 1 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        t(i + 1) = t(i)
        For j = i + 2 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        Debug.Print i, t(i + 1) - t(i)
    Next i
End Sub
Task: Catalan numbers_Pascal's triangle




Go: package main

import "fmt"

func main() {
    const n = 15
    t := [n + 2]uint64{0, 1}
    for i := 1; i <= n; i++ {
        for j := i; j > 1; j-- {
            t[j] += t[j-1]
        }
        t[i+1] = t[i]
        for j := i + 1; j > 1; j-- {
            t[j] += t[j-1]
        }
        fmt.Printf("%2d : %d\n", i, t[i+1]-t[i])
    }
}




Python: >>> n = 15
>>> t = [0] * (n + 2)
>>> t[1] = 1
>>> for i in range(1, n + 1):
	for j in range(i, 1, -1): t[j] += t[j - 1]
	t[i + 1] = t[i]
	for j in range(i + 1, 1, -1): t[j] += t[j - 1]
	print(t[i+1] - t[i], end=' ')

	
1 2 5 14 42 132 429 1430 4862 16796 58786 208012 742900 2674440 9694845 
>>>
Task: Catalan numbers_Pascal's triangle




Go: package main

import "fmt"

func main() {
    const n = 15
    t := [n + 2]uint64{0, 1}
    for i := 1; i <= n; i++ {
        for j := i; j > 1; j-- {
            t[j] += t[j-1]
        }
        t[i+1] = t[i]
        for j := i + 1; j > 1; j-- {
            t[j] += t[j-1]
        }
        fmt.Printf("%2d : %d\n", i, t[i+1]-t[i])
    }
}





VB: Sub catalan()
    Const n = 15
    Dim t(n + 2) As Long
    Dim i  As Integer, j As Integer
    t(1) = 1
    For i = 1 To n
        For j = i + 1 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        t(i + 1) = t(i)
        For j = i + 2 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        Debug.Print i, t(i + 1) - t(i)
    Next i
End Sub
Task: Catalan numbers_Pascal's triangle







Python: >>> n = 15
>>> t = [0] * (n + 2)
>>> t[1] = 1
>>> for i in range(1, n + 1):
	for j in range(i, 1, -1): t[j] += t[j - 1]
	t[i + 1] = t[i]
	for j in range(i + 1, 1, -1): t[j] += t[j - 1]
	print(t[i+1] - t[i], end=' ')

	
1 2 5 14 42 132 429 1430 4862 16796 58786 208012 742900 2674440 9694845 
>>>


VB: Sub catalan()
    Const n = 15
    Dim t(n + 2) As Long
    Dim i  As Integer, j As Integer
    t(1) = 1
    For i = 1 To n
        For j = i + 1 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        t(i + 1) = t(i)
        For j = i + 2 To 2 Step -1
            t(j) = t(j) + t(j - 1)
        Next j
        Debug.Print i, t(i + 1) - t(i)
    Next i
End Sub
Task: Set of real numbers



C#: using System;

namespace RosettaCode.SetOfRealNumbers
{
    public class Set<TValue>
    {
        public Set(Predicate<TValue> contains)
        {
            Contains = contains;
        }

        public Predicate<TValue> Contains
        {
            get;
            private set;
        }

        public Set<TValue> Union(Set<TValue> set)
        {
            return new Set<TValue>(value => Contains(value) || set.Contains(value));
        }

        public Set<TValue> Intersection(Set<TValue> set)
        {
            return new Set<TValue>(value => Contains(value) && set.Contains(value));
        }

        public Set<TValue> Difference(Set<TValue> set)
        {
            return new Set<TValue>(value => Contains(value) && !set.Contains(value));
        }
    }
}


Go: package main

import "fmt"

type Set func(float64) bool

func Union(a, b Set) Set      { return func(x float64) bool { return a(x) || b(x) } }
func Inter(a, b Set) Set      { return func(x float64) bool { return a(x) && b(x) } }
func Diff(a, b Set) Set       { return func(x float64) bool { return a(x) && !b(x) } }
func open(a, b float64) Set   { return func(x float64) bool { return a < x && x < b } }
func closed(a, b float64) Set { return func(x float64) bool { return a <= x && x <= b } }
func opCl(a, b float64) Set   { return func(x float64) bool { return a < x && x <= b } }
func clOp(a, b float64) Set   { return func(x float64) bool { return a <= x && x < b } }

func main() {
	s := make([]Set, 4)
	s[0] = Union(opCl(0, 1), clOp(0, 2))  
	s[1] = Inter(clOp(0, 2), opCl(1, 2))  
	s[2] = Diff(clOp(0, 3), open(0, 1))   
	s[3] = Diff(clOp(0, 3), closed(0, 1)) 

	for i := range s {
		for x := float64(0); x < 3; x++ {
			fmt.Printf("%v ∈ s%d: %t\n", x, i, s[i](x))
		}
		fmt.Println()
	}
}
Task: Set of real numbers



C#: using System;

namespace RosettaCode.SetOfRealNumbers
{
    public class Set<TValue>
    {
        public Set(Predicate<TValue> contains)
        {
            Contains = contains;
        }

        public Predicate<TValue> Contains
        {
            get;
            private set;
        }

        public Set<TValue> Union(Set<TValue> set)
        {
            return new Set<TValue>(value => Contains(value) || set.Contains(value));
        }

        public Set<TValue> Intersection(Set<TValue> set)
        {
            return new Set<TValue>(value => Contains(value) && set.Contains(value));
        }

        public Set<TValue> Difference(Set<TValue> set)
        {
            return new Set<TValue>(value => Contains(value) && !set.Contains(value));
        }
    }
}





Python: class Setr():
    def __init__(self, lo, hi, includelo=True, includehi=False):
        self.eqn = "(%i<%sX<%s%i)" % (lo,
                                      '=' if includelo else '',
                                      '=' if includehi else '',
                                      hi)

    def __contains__(self, X):
        return eval(self.eqn, locals())

    
    def __or__(self, b):
        ans = Setr(0,0)
        ans.eqn = "(%sor%s)" % (self.eqn, b.eqn)
        return ans

    
    def __and__(self, b):
        ans = Setr(0,0)
        ans.eqn = "(%sand%s)" % (self.eqn, b.eqn)
        return ans

    
    def __sub__(self, b):
        ans = Setr(0,0)
        ans.eqn = "(%sand not%s)" % (self.eqn, b.eqn)
        return ans

    def __repr__(self):
        return "Setr%s" % self.eqn


sets = [
    Setr(0,1, 0,1) | Setr(0,2, 1,0),
    Setr(0,2, 1,0) & Setr(1,2, 0,1),
    Setr(0,3, 1,0) - Setr(0,1, 0,0),
    Setr(0,3, 1,0) - Setr(0,1, 1,1),
]
settexts = '(0, 1] ∪ [0, 2);[0, 2) ∩ (1, 2];[0, 3) − (0, 1);[0, 3) − [0, 1]'.split(';')

for s,t in zip(sets, settexts):
    print("Set %s %s. %s" % (t,
                             ', '.join("%scludes %i"
                                     % ('in' if v in s else 'ex', v)
                                     for v in range(3)),
                             s.eqn))
Task: Set of real numbers




Go: package main

import "fmt"

type Set func(float64) bool

func Union(a, b Set) Set      { return func(x float64) bool { return a(x) || b(x) } }
func Inter(a, b Set) Set      { return func(x float64) bool { return a(x) && b(x) } }
func Diff(a, b Set) Set       { return func(x float64) bool { return a(x) && !b(x) } }
func open(a, b float64) Set   { return func(x float64) bool { return a < x && x < b } }
func closed(a, b float64) Set { return func(x float64) bool { return a <= x && x <= b } }
func opCl(a, b float64) Set   { return func(x float64) bool { return a < x && x <= b } }
func clOp(a, b float64) Set   { return func(x float64) bool { return a <= x && x < b } }

func main() {
	s := make([]Set, 4)
	s[0] = Union(opCl(0, 1), clOp(0, 2))  
	s[1] = Inter(clOp(0, 2), opCl(1, 2))  
	s[2] = Diff(clOp(0, 3), open(0, 1))   
	s[3] = Diff(clOp(0, 3), closed(0, 1)) 

	for i := range s {
		for x := float64(0); x < 3; x++ {
			fmt.Printf("%v ∈ s%d: %t\n", x, i, s[i](x))
		}
		fmt.Println()
	}
}




Python: class Setr():
    def __init__(self, lo, hi, includelo=True, includehi=False):
        self.eqn = "(%i<%sX<%s%i)" % (lo,
                                      '=' if includelo else '',
                                      '=' if includehi else '',
                                      hi)

    def __contains__(self, X):
        return eval(self.eqn, locals())

    
    def __or__(self, b):
        ans = Setr(0,0)
        ans.eqn = "(%sor%s)" % (self.eqn, b.eqn)
        return ans

    
    def __and__(self, b):
        ans = Setr(0,0)
        ans.eqn = "(%sand%s)" % (self.eqn, b.eqn)
        return ans

    
    def __sub__(self, b):
        ans = Setr(0,0)
        ans.eqn = "(%sand not%s)" % (self.eqn, b.eqn)
        return ans

    def __repr__(self):
        return "Setr%s" % self.eqn


sets = [
    Setr(0,1, 0,1) | Setr(0,2, 1,0),
    Setr(0,2, 1,0) & Setr(1,2, 0,1),
    Setr(0,3, 1,0) - Setr(0,1, 0,0),
    Setr(0,3, 1,0) - Setr(0,1, 1,1),
]
settexts = '(0, 1] ∪ [0, 2);[0, 2) ∩ (1, 2];[0, 3) − (0, 1);[0, 3) − [0, 1]'.split(';')

for s,t in zip(sets, settexts):
    print("Set %s %s. %s" % (t,
                             ', '.join("%scludes %i"
                                     % ('in' if v in s else 'ex', v)
                                     for v in range(3)),
                             s.eqn))
Task: Strip comments from a string

C: #include<stdio.h>

int main()
{
	char ch, str[100];
	int i;
	
	do{
		printf("\nEnter the string :");
		fgets(str,100,stdin);
		for(i=0;str[i]!=00;i++)
		{
			if(str[i]=='#'||str[i]==';')
			{
				str[i]=00;
				break;
			}
		}
		printf("\nThe modified string is : %s",str);
		printf("\nDo you want to repeat (y/n): ");
		scanf("%c",&ch);
		fflush(stdin);
	}while(ch=='y'||ch=='Y');
	
	return 0;
}



C#: using System.Text.RegularExpressions;

string RemoveComments(string str, string delimiter)
        {
            
            
            
            return Regex.Replace(str, delimiter + ".+", string.Empty).Trim();
        }
Task: Strip comments from a string

C: #include<stdio.h>

int main()
{
	char ch, str[100];
	int i;
	
	do{
		printf("\nEnter the string :");
		fgets(str,100,stdin);
		for(i=0;str[i]!=00;i++)
		{
			if(str[i]=='#'||str[i]==';')
			{
				str[i]=00;
				break;
			}
		}
		printf("\nThe modified string is : %s",str);
		printf("\nDo you want to repeat (y/n): ");
		scanf("%c",&ch);
		fflush(stdin);
	}while(ch=='y'||ch=='Y');
	
	return 0;
}


C++: #include <iostream>
#include <string>

std::string strip_white(const std::string& input)
{
   size_t b = input.find_first_not_of(' ');
   if (b == std::string::npos) b = 0;
   return input.substr(b, input.find_last_not_of(' ') + 1 - b);
}

std::string strip_comments(const std::string& input, const std::string& delimiters)
{
   return strip_white(input.substr(0, input.find_first_of(delimiters)));
}
 
int main( ) {
   std::string input;
   std::string delimiters("#;");
   while ( getline(std::cin, input) && !input.empty() ) {
      std::cout << strip_comments(input, delimiters) << std::endl ;
   }
   return 0;
}
Task: Strip comments from a string

C: #include<stdio.h>

int main()
{
	char ch, str[100];
	int i;
	
	do{
		printf("\nEnter the string :");
		fgets(str,100,stdin);
		for(i=0;str[i]!=00;i++)
		{
			if(str[i]=='#'||str[i]==';')
			{
				str[i]=00;
				break;
			}
		}
		printf("\nThe modified string is : %s",str);
		printf("\nDo you want to repeat (y/n): ");
		scanf("%c",&ch);
		fflush(stdin);
	}while(ch=='y'||ch=='Y');
	
	return 0;
}




Go: package main

import (
	"fmt"
	"strings"
	"unicode"
)

const commentChars = "#;"

func stripComment(source string) string {
	if cut := strings.IndexAny(source, commentChars); cut >= 0 {
		return strings.TrimRightFunc(source[:cut], unicode.IsSpace)
	}
	return source
}

func main() {
	for _, s := range []string{
		"apples, pears # and bananas",
		"apples, pears ; and bananas",
		"no bananas",
	} {
		fmt.Printf("source:   %q\n", s)
		fmt.Printf("stripped: %q\n", stripComment(s))
	}
}
Task: Strip comments from a string

C: #include<stdio.h>

int main()
{
	char ch, str[100];
	int i;
	
	do{
		printf("\nEnter the string :");
		fgets(str,100,stdin);
		for(i=0;str[i]!=00;i++)
		{
			if(str[i]=='#'||str[i]==';')
			{
				str[i]=00;
				break;
			}
		}
		printf("\nThe modified string is : %s",str);
		printf("\nDo you want to repeat (y/n): ");
		scanf("%c",&ch);
		fflush(stdin);
	}while(ch=='y'||ch=='Y');
	
	return 0;
}







Python: def remove_comments(line, sep):
    for s in sep:
        i = line.find(s)
        if i >= 0:
            line = line[:i]
    return line.strip()


print remove_comments('apples ; pears 
print remove_comments('apples ; pears
Task: Strip comments from a string

C: #include<stdio.h>

int main()
{
	char ch, str[100];
	int i;
	
	do{
		printf("\nEnter the string :");
		fgets(str,100,stdin);
		for(i=0;str[i]!=00;i++)
		{
			if(str[i]=='#'||str[i]==';')
			{
				str[i]=00;
				break;
			}
		}
		printf("\nThe modified string is : %s",str);
		printf("\nDo you want to repeat (y/n): ");
		scanf("%c",&ch);
		fflush(stdin);
	}while(ch=='y'||ch=='Y');
	
	return 0;
}








VB: Function strip_comments(s,char)
	If InStr(1,s,char) > 0 Then
		arr = Split(s,char)
		strip_comments = RTrim(arr(0))
	Else
		strip_comments = s
	End If
End Function

WScript.StdOut.WriteLine strip_comments("apples, pears # and bananas","#")
WScript.StdOut.WriteLine strip_comments("apples, pears ; and bananas",";")