Submission #35491730


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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
bool f[105][105];
int a[105];
signed main()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
memset(f, false, sizeof(f));
int n, m;
cin >> n >> m;
while (m--)
{
int k;
cin >> k;
for (int i = 1; i <= k; i++)cin >> a[i];
for (int i = 1; i <= k; i++)
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'

bool f[105][105];
int a[105];
signed main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
 

    memset(f, false, sizeof(f));
    int n, m;
    cin >> n >> m;
    while (m--)
    {
        int k;
        cin >> k;
        for (int i = 1; i <= k; i++)cin >> a[i];
        for (int i = 1; i <= k; i++)
        {
            for (int j = i; j <= k; j++)
            {
                f[a[i]][a[j]] = f[a[j]][a[i]] = true;
            }
        }
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            //cout << f[i][j] << " ";
            if (!f[i][j])
            {
                cout << "No";
                return 0;
            }
        }
        //cout << endl;
    }
    cout << "Yes";
    return 0;
}

Submission Info

Submission Time
Task B - Everyone is Friends
User sjh
Language C++ (GCC 9.2.1)
Score 200
Code Size 902 Byte
Status AC
Exec Time 8 ms
Memory 3564 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 2
AC × 21
Set Name Test Cases
Sample 00_sample_01.txt, 00_sample_02.txt
All 00_sample_01.txt, 00_sample_02.txt, 01_test_01.txt, 01_test_02.txt, 01_test_03.txt, 01_test_04.txt, 01_test_05.txt, 01_test_06.txt, 01_test_07.txt, 01_test_08.txt, 01_test_09.txt, 01_test_10.txt, 01_test_11.txt, 01_test_12.txt, 01_test_13.txt, 01_test_14.txt, 01_test_15.txt, 01_test_16.txt, 01_test_17.txt, 01_test_18.txt, 02_handmade_01.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 8 ms 3500 KB
00_sample_02.txt AC 2 ms 3488 KB
01_test_01.txt AC 2 ms 3488 KB
01_test_02.txt AC 2 ms 3440 KB
01_test_03.txt AC 8 ms 3564 KB
01_test_04.txt AC 2 ms 3436 KB
01_test_05.txt AC 4 ms 3444 KB
01_test_06.txt AC 6 ms 3416 KB
01_test_07.txt AC 4 ms 3492 KB
01_test_08.txt AC 2 ms 3460 KB
01_test_09.txt AC 4 ms 3556 KB
01_test_10.txt AC 3 ms 3364 KB
01_test_11.txt AC 3 ms 3444 KB
01_test_12.txt AC 1 ms 3536 KB
01_test_13.txt AC 3 ms 3460 KB
01_test_14.txt AC 2 ms 3504 KB
01_test_15.txt AC 3 ms 3500 KB
01_test_16.txt AC 2 ms 3416 KB
01_test_17.txt AC 2 ms 3504 KB
01_test_18.txt AC 2 ms 3500 KB
02_handmade_01.txt AC 3 ms 3440 KB


2025-02-28 (Fri)
05:16:16 +00:00