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ninja4.cpp
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ninja4.cpp
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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
ll samples;
cin >> samples;
while (samples--)
{
ll n, k;
cin >> n >> k;
ll l[n], r[n];
for (ll i = 0; i < n; i++)
{
cin >> l[i] >> r[i];
}
ll count1 = 0, count2 = 0, count3 = 0;
bool flag = false;
for (ll i = 0; i < n; i++)
{
if (k >= l[i] && k <= r[i])
{
if (k > 1 && (k >= l[i] + 1 && k <= r[i] + 1))
{
count1++;
}
if (k + 1 >= l[i] && k + 1 <= r[i])
{
count3++;
}
count2++;
}
}
if (count2 > count1 && count2 > count3)
{
flag = true;
}
if (flag)
{
cout << "YES" << endl;
}
else
{
cout << "NO" << endl;
}
}
}