Submission #4280127


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#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <algorithm>
#include <utility>
#include <functional>
#include <cstring>
#include <queue>
#include <stack>
#include <math.h>
#include <iterator>
#include <vector>
#include <string>
#include <set>
#include <math.h>
#include <iostream>
#include <random>
#include <map>
#include <fstream>
#include <iomanip>
#include <time.h>
#include <stdlib.h>
#include <list>
#include <typeinfo>
#include <list>
#include <set>
#include <assert.h>
#include <complex>
using namespace std;
#define eps 0.000001
#define LONG_INF 10000000
#define GOLD 1.61803398874989484820458
#define MAX_MOD 1000000007
#define MOD 998244353
#define seg_size 65536*16
#define REP(i,n) for(long long i = 0;i < n;++i)
int ans[100] = {};
int main() {
	int n, m;
	cin >> n >> m;
	REP(i, n) {
		int c;
		cin >> c;
		REP(q, c) {
			int d;
			cin >> d;
			ans[d]++;
		}
	}
	int cnt = 0;
	REP(i, m + 1) {
		if (ans[i] == n) cnt++;
	}
	cout << cnt << endl;
	return 0;
}

Submission Info

Submission Time
Task B - Foods Loved by Everyone
User kotamanegi
Language C++14 (GCC 5.4.1)
Score 200
Code Size 1036 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name All Sample
Score / Max Score 200 / 200 0 / 0
Status
AC × 15
AC × 3
Set Name Test Cases
All 0_random_1, 0_random_2, 1_max_1, 1_max_2, 2_nmin_1, 3_mmin_1, 4_corner_1, 4_corner_2, 4_corner_3, 5_hand_1, 5_hand_2, 5_hand_3, sample_01, sample_02, sample_03
Sample sample_01, sample_02, sample_03
Case Name Status Exec Time Memory
0_random_1 AC 1 ms 256 KB
0_random_2 AC 1 ms 256 KB
1_max_1 AC 1 ms 256 KB
1_max_2 AC 1 ms 256 KB
2_nmin_1 AC 1 ms 256 KB
3_mmin_1 AC 1 ms 256 KB
4_corner_1 AC 1 ms 256 KB
4_corner_2 AC 1 ms 256 KB
4_corner_3 AC 1 ms 256 KB
5_hand_1 AC 1 ms 256 KB
5_hand_2 AC 1 ms 256 KB
5_hand_3 AC 1 ms 256 KB
sample_01 AC 1 ms 256 KB
sample_02 AC 1 ms 256 KB
sample_03 AC 1 ms 256 KB