for _ in range(int(input())):
n,m=map(int,input().split())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
done=False
for e in a :
if e in b:
print("YES")
print(1,e)
done=True
break
if not done:
print("NO")#include <iostream>
#include<algorithm>
#include<vector>
#include<iomanip>
using namespace std;
int main()
{
int t, m, n;
cin >> t;
while (t--)
{
int arr[1005] = {},x,ans;
cin >> n >> m;
bool c = 0;
for (int i = 0; i < n; i++)
{
cin >> x;
arr[x]++;
}
for (int i = 0; i < m; i++)
{
cin >> x;
if (arr[x])
{
ans = x;
c = 1;
}
}
if (c)
cout << "YES" << endl << 1 << " " << ans << endl;
else
cout << "NO" << endl;
}
return 0;
} 84. Largest Rectangle in Histogram | 60. Permutation Sequence |
42. Trapping Rain Water | 32. Longest Valid Parentheses |
Cutting a material | Bubble Sort |
Number of triangles | AND path in a binary tree |
Factorial equations | Removal of vertices |
Happy segments | Cyclic shifts |
Zoos | Build a graph |
Almost correct bracket sequence | Count of integers |
Differences of the permutations | Doctor's Secret |
Back to School | I am Easy |
Teddy and Tweety | Partitioning binary strings |
Special sets | Smallest chosen word |
Going to office | Color the boxes |
Missing numbers | Maximum sum |
13 Reasons Why | Friend's Relationship |