Submission #1109305

#	Time	Username	Problem	Language	Result	Execution time	Memory
1109305		Muhammet	Segments (IZhO18_segments)	C++17	75 / 100	5054 ms	8488 KiB

segments

#include <bits/stdc++.h>

using namespace std;

#define sz(s) (int)s.size()
#define ff first
#define ss second

int f(int a, int b, int x, int y){
	if(a > x) swap(a,x), swap(b,y);
	if(b < x) return 0;
	if(b <= y) return (b-x+1);
	return (y-x+1);
}

int main(){
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n, t, ans = 0, ind = 0;
	cin >> n >> t;
	vector <pair<int,int>> v;
	vector <int> vis(n+1,0);
	for(int i = 1; i <= n; i++){
		int t1;
		cin >> t1;
		if(t1 == 1){
			int a, b;
			cin >> a >> b;
			ind++;
			a = (a ^ (t * ans));
			b = (b ^ (t * ans));
			if(a > b) swap(a,b);
			v.push_back({a,b});
		}
		if(t1 == 2){
			int id, in = 0;
			cin >> id;
			vis[--id] = true;
		}
		if(t1 == 3){
			int a, b, k;
			cin >> a >> b >> k;
			a = (a ^ (t * ans));
			b = (b ^ (t * ans));
			if(a > b) swap(a,b);
			ans = 0;
			for(int j = 0; j < sz(v); j++){
				if(vis[j]) continue;
				ans += ((min(b,v[j].ss) - max(a,v[j].ff)) >= k-1);
			}
			cout << ans << '\n';
		}
	}
}

Compilation message (stderr)

segments.cpp: In function 'int main()':
segments.cpp:36:12: warning: unused variable 'in' [-Wunused-variable]
   36 |    int id, in = 0;
      |            ^~

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