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- #include <iostream>
- #include <algorithm>
- #include <vector>
- #include <set>
- #include <cmath>
- #include <map>
- #include <utility>
- using namespace std;
- typedef long long ll;
- void fastIO() {
- ios_base::sync_with_stdio(false);
- cin.tie(0);
- cout.tie(0);
- }
- void solve() {
- int n, s;
- cin >> n >> s;
- int ma = s, mi = s;
- int prevt = 0;
- bool flag = true;
- for (int i = 0; i < n; i++) {
- int tt, l, r;
- cin >> tt >> l >> r;
- int t = tt - prevt;
- if (r > ma)
- ma = min(r, ma + t);
- else ma = max(r, ma - t);
- if (l > mi)
- mi = min(l, mi + t);
- else mi = max(l, mi - t);
- if (l > ma || r < mi) {
- flag = false;
- }
- else if (mi >= l && mi <= r && ma > r)
- ma = r;
- else if (ma <= r && ma >= l && mi < l)
- mi = l;
- prevt = tt;
- }
- if (flag)
- cout << "YES\n";
- else
- cout << "NO\n";
- return;
- }
- int main() {
- fastIO();
- int t;
- cin >> t;
- for (int i = 0; i < t; i++)
- solve();
- return 0;
- }
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