Editing 2015 Dec Bronze Problem 1 Fence Painting (section)

== Code ==
=== C++ ===
<pre>
#include <iostream>
#include <fstream>

using namespace std;

int main() {
    ifstream fin("paint.in");
    ofstream fout("paint.out");

    int segment1Start, segment1End;
    fin >> segment1Start >> segment1End;

    int segment2Start, segment2End;
    fin >> segment2Start >> segment2End;

    int paintedLength;

    if(segment2Start >= segment1End) {
        paintedLength = (segment1End - segment1Start) + (segment2End - segment2Start);
    } else if(segment2End > segment1End) {
        paintedLength = segment2End - segment1Start;
    } else {
        paintedLength = segment1End - segment1Start;
    }

    fout << paintedLength << endl;

    return 0;
}

</pre>

=== Java ===
<pre>
import java.io.*;
import java.util.*;

public class Paint {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new FileReader("paint.in"));
        PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter("paint.out")));

        StringTokenizer st = new StringTokenizer(br.readLine());
        int segment1Start = Integer.parseInt(st.nextToken());
        int segment1End = Integer.parseInt(st.nextToken());

        st = new StringTokenizer(br.readLine());
        int segment2Start = Integer.parseInt(st.nextToken());
        int segment2End = Integer.parseInt(st.nextToken());

        int paintedLength;

        // Checking overlap scenarios
        if(segment2Start >= segment1End) {
            // No overlap
            paintedLength = (segment1End - segment1Start) + (segment2End - segment2Start);
        }
        else if(segment2End > segment1End) {
            // Partial overlap with segment2 exceeding segment1
            paintedLength = segment2End - segment1Start;
        }
        else {
            // Full overlap where segment2 is completely inside segment1
            paintedLength = segment1End - segment1Start;
        }
        
        pw.println(paintedLength);
        pw.close();
    }
}

</pre>

=== Python ===
<pre>
with open('paint.in', 'r') as fin:
    a, b = map(int, fin.readline().strip().split())
    c, d = map(int, fin.readline().strip().split())

if c < a:
    a, c = c, a
    b, d = d, b

if c >= b:
    painted_length = (b - a) + (d - c)
elif d > b:
    painted_length = d - a
else:
    painted_length = b - a

with open('paint.out', 'w') as fout:
    fout.write(str(painted_length) + '\n')
</pre>

[[Category:Yearly_2015_2016]]
[[Category:Bronze]]
[[Category:Intervals]]
[[Category:Sorting]]