ABC
ABC054 B - Template Matching
https://atcoder.jp/contests/abc054/tasks/abc054_b (opens in a new tab)
図形の平行移動 コピペ用に。
n,m = map(int,input().split())
a = [input() for _ in range(n)]
b = [input() for _ in range(m)]
b_width = len(b[0])
for y in range(n-m+1):
for x in range(n-b_width+1):
if b == [a[y+height][x:x+b_width] for height in range(m)]:
print('Yes')
raise SystemExit
print('No')