Submission #745183

#	Time	Username	Problem	Language	Result	Execution time	Memory
745183		sword060	Osumnjičeni (COCI21_osumnjiceni)	C++17	10 / 110	1087 ms	4172 KiB

Main

#include <bits/stdc++.h>
using namespace std;
const int N = 1e5+5;
int x,q,l[N],r[N],nxt[N];
int main(){
	ios::sync_with_stdio(0);cin.tie(0);
	cin>>x;
	for(int i=1;i<=x;i++)cin>>l[i]>>r[i];
	for(int i=x;i>=1;i--){
		nxt[i]=(i<x?nxt[i+1]:i+1);
		for(int j=x;j>i;j--)
			if(max(l[i],l[j])<=min(r[i],r[j]))
				nxt[i]=min(nxt[i],j);
	}
	cin>>q;
	while(q--){
		int c1,c2,ans=0;cin>>c1>>c2;
		while(c1<=c2){
			ans++;
			c1=nxt[c1];
		}
		cout<<ans<<"\n";
	}
}

• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 50