Submission #76653780

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n,d,ans,m,l[200005],r[200005],a[1000006];
int main(){
	cin>>n>>d;
	for(ll i=1;i<=n;i++){
		cin>>l[i]>>r[i];
		if(l[i]>=r[i]-d+1) continue;
		a[l[i]]++,a[r[i]-d+1]--,m=max(m,r[i]-d+1);
	}
	for(ll i=1;i<=m;i++) a[i]+=a[i-1];
	for(ll i=1;i<=m;i++){
		if(a[i]<2) continue;
		ans+=a[i]*(a[i]-1)/2;
	} 
	cout<<ans;
}

Submission Info

Submission Time
Task D - Accomplice
User Rya_
Language C++23 (GCC 15.2.0)
Score 400
Code Size 396 Byte
Status AC
Exec Time 78 ms
Memory 14596 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 23
Set Name Test Cases
Sample sample-01.txt, sample-02.txt, sample-03.txt
All 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, sample-01.txt, sample-02.txt, sample-03.txt
Case Name Status Exec Time Memory
04.txt AC 1 ms 3424 KiB
05.txt AC 1 ms 3484 KiB
06.txt AC 61 ms 14584 KiB
07.txt AC 55 ms 6624 KiB
08.txt AC 55 ms 6652 KiB
09.txt AC 51 ms 6844 KiB
10.txt AC 32 ms 6636 KiB
11.txt AC 6 ms 10584 KiB
12.txt AC 5 ms 11232 KiB
13.txt AC 5 ms 11420 KiB
14.txt AC 26 ms 10396 KiB
15.txt AC 52 ms 13420 KiB
16.txt AC 70 ms 8956 KiB
17.txt AC 76 ms 14556 KiB
18.txt AC 78 ms 14596 KiB
19.txt AC 68 ms 6844 KiB
20.txt AC 77 ms 14508 KiB
21.txt AC 77 ms 14460 KiB
22.txt AC 74 ms 14552 KiB
23.txt AC 75 ms 14584 KiB
sample-01.txt AC 1 ms 3516 KiB
sample-02.txt AC 1 ms 3500 KiB
sample-03.txt AC 6 ms 11452 KiB