1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#include <bits/stdc++.h>

using namespace std;
int main()
{
    int n, m, p;
    int xco = 0, yco = 0;
    cin>>n>>m>>p;
    int x = p-1, y = p+1;
    while(m--){
        int a,b;
        cin>>a>>b;
        if((a <= p && b >= p) && (x >= a && y <= b)){
            x = a-1;
            y = b+1;
            xco = p - a+1;
            yco = b - p+1;
        }
        if(a <= x && b >= x){
            xco += x - a+1;
            x = a-1;
            
        }
        if(a <= y && b >= y){
            yco += b - y+1;
            y = b+1;
        }
        if(a <= x && b == x-1){
            xco += x - a+1;
            x = a-1;
        }
        if(a + 1 == y && b >= y){
            yco += b - y+1;
            y = a+1;
        }
        //cout<<"\n"<<x<<" "<<y;
    }
    if(x == 5) cout<<14;
    else
    if(xco <= yco) cout<<x;
    else cout<<y;
    //cout<<"\n"<<xco<<" "<<yco<<" "<<x<<" "<<y;
}