Submission #887655

#	Time	Username	Problem	Language	Result	Execution time	Memory
887655		pcc	Segments (IZhO18_segments)	C++14	7 / 100	22 ms	1076 KiB

segments

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>

const int mxn = 5050;
int Q,t;
int idx = 0;
pii arr[mxn];
int preans = 0;

main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>Q>>t;
	while(Q--){
		int tp;
		cin>>tp;
		if(tp == 1){
			int l,r;
			cin>>l>>r;
			l = l^(t*preans);
			r = r^(t*preans);
			arr[++idx] = {l,r};
		}
		else if(tp == 2){
			int tar;
			cin>>tar;
			arr[tar] = {-1,-1};
		}
		else{
			int l,r,v;
			cin>>l>>r>>v;
			l = l^(t*preans);
			r = r^(t*preans);
			if(r<l)swap(l,r);
			int tans = 0;
			for(int i = 1;i<=idx;i++){
				pii range = {max(arr[i].fs,l),min(arr[i].sc,r)};
				if(range.sc-range.fs+1>=v)tans++;
			}
			cout<<(preans = tans)<<'\n';
		}
	}
	return 0;
}
/*
6 0
1 3 10
1 3 5
3 6 10 6
2 1
1 3 10
3 6 4 2
*/

Compilation message (stderr)

segments.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | 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