Submission #495729

#	Time	Username	Problem	Language	Result	Execution time	Memory
495729		mansur	Segments (IZhO18_segments)	C++14	7 / 100	5083 ms	8848 KiB

segments

#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")

//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 

using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e9, N = 1e6 + 1, mod = 998244353;                    

vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

int intersect(int l, int r, int tl, int tr) {
	l = max(l, tl);
	r = min(r, tr);
	return max(0ll, r - l + 1);
}

main() {                                                         
	//freopen("cowrect.in", "r", stdin);                                                                                     
	//freopen("cowrect.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);
	int n, vl;
	cin >> n >> vl;
	set<int> s, h;
	for (int i = 1; i <= n; i++) s.insert(i);
	int ans = 0, tl[n + 1], tr[n + 1];
	while (n--) {
		int t;
		cin >> t;
		if (t == 1) {
			int l, r;
			cin >> l >> r;
			l ^= (vl * ans);
			r ^= (vl * ans);
			if (l > r) swap(l, r);
			tl[*s.begin()] = l;
			tr[*s.begin()] = r;
			h.insert(*s.begin());
			s.erase(s.begin());
		}else if (t == 2) {
			int ind;
			cin >> ind;
			h.erase(ind);
		}else {
			int l, r, k;
			cin >> l >> r >> k;
			l ^= (vl * ans);
			r ^= (vl * ans);
			if (l > r) swap(l, r);
			int cur = 0;
			for (auto e: h) {
				if (intersect(l, r, tl[e], tr[e]) >= k) cur++;
			}
			cout << cur << nl;
			ans = cur;
		}
	}
}

Compilation message (stderr)

segments.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
segments.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
segments.cpp:41:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | main() {
      | ^~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 15
• Subtask 3: 0 / 16
• Subtask 4: 0 / 17
• Subtask 5: 0 / 20
• Subtask 6: 0 / 25