Submission #41732875


Source Code Expand

// #cheat_when_we_are_young
// #cheatkhitacontre #khionhatoicheat
// #thaycuckythatvong
#include<bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
//#pragma GCC target("tune=native")
//#define int long long
signed main() {
	IOS;
	int n, m;
	cin >> n >> m;
	map<pair<int,int>, bool> Map;
	int a[n];
	for (int j = 0; j < m; ++j) {
        for (int i = 0; i < n; ++i) cin >> a[i];
        for (int i = 1; i < n; ++i) {
            Map[{a[i-1],a[i]}] = 1;
            Map[{a[i],a[i-1]}] = 1;
        }
	}
	cout << (n*(n-1) - Map.size()) / 2;
}

Submission Info

Submission Time
Task B - Discord
User cheatkhitacontre
Language C++ (GCC 9.2.1)
Score 200
Code Size 705 Byte
Status AC
Exec Time 8 ms
Memory 3544 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 14
Set Name Test Cases
Sample 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt
All 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 01_small_00.txt, 01_small_01.txt, 01_small_02.txt, 01_small_03.txt, 01_small_04.txt, 02_rnd_00.txt, 02_rnd_01.txt, 02_rnd_02.txt, 03_same_00.txt, 03_same_01.txt, 03_same_02.txt
Case Name Status Exec Time Memory
00_sample_00.txt AC 8 ms 3472 KiB
00_sample_01.txt AC 2 ms 3508 KiB
00_sample_02.txt AC 3 ms 3440 KiB
01_small_00.txt AC 2 ms 3420 KiB
01_small_01.txt AC 2 ms 3468 KiB
01_small_02.txt AC 6 ms 3484 KiB
01_small_03.txt AC 2 ms 3540 KiB
01_small_04.txt AC 2 ms 3520 KiB
02_rnd_00.txt AC 4 ms 3544 KiB
02_rnd_01.txt AC 4 ms 3504 KiB
02_rnd_02.txt AC 2 ms 3452 KiB
03_same_00.txt AC 3 ms 3504 KiB
03_same_01.txt AC 2 ms 3468 KiB
03_same_02.txt AC 2 ms 3508 KiB