Submission #76660484

Source Code Expand

#include<iostream>
#include<cstring>
#include<vector>
#include<algorithm>
#include<set>
#define rep(i,l,r) for(int i=l;i<=r;i++)
constexpr int N=1e6+5;
int rd(){
    int x=0,f=1;
    char c=getchar();
    for(;!isdigit(c);c=getchar())f=c==45?-1:f;
    for(;isdigit(c);c=getchar())x=x*10+c-48;
    return x*f;
}
using namespace std;
int n,D;
int c[N];
int q[N],hd,tl;
long long Kyojin;
int mx;
signed main(){
    n=rd(),D=rd();
    rep(i,1,n){
        int s=rd()+D,t=rd();
        if(s>t)continue;
        mx=max(mx,t);
        c[s]++,c[t+1]--;
    }
    rep(i,1,mx)c[i]+=c[i-1];
    rep(i,1,mx){
        Kyojin+=(1LL*c[i]*(c[i]-1))>>1;
    }
    cout<<Kyojin;
    return 0;
}

Submission Info

Submission Time
Task D - Accomplice
User Sayhere
Language C++23 (GCC 15.2.0)
Score 400
Code Size 709 Byte
Status AC
Exec Time 13 ms
Memory 7600 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 3484 KiB
05.txt AC 1 ms 3500 KiB
06.txt AC 10 ms 7360 KiB
07.txt AC 10 ms 7472 KiB
08.txt AC 8 ms 3452 KiB
09.txt AC 7 ms 3500 KiB
10.txt AC 4 ms 3500 KiB
11.txt AC 4 ms 7392 KiB
12.txt AC 3 ms 7472 KiB
13.txt AC 3 ms 7420 KiB
14.txt AC 6 ms 7408 KiB
15.txt AC 10 ms 7468 KiB
16.txt AC 13 ms 7396 KiB
17.txt AC 13 ms 7520 KiB
18.txt AC 13 ms 7472 KiB
19.txt AC 10 ms 3484 KiB
20.txt AC 13 ms 7600 KiB
21.txt AC 12 ms 7404 KiB
22.txt AC 12 ms 7396 KiB
23.txt AC 13 ms 7540 KiB
sample-01.txt AC 1 ms 3436 KiB
sample-02.txt AC 1 ms 3492 KiB
sample-03.txt AC 4 ms 7468 KiB