题解 | 图像相似度
inp = input().split()
m = int(inp[0])
n = int(inp[-1])
arr1,arr2 = list(),list()
arr = [arr1,arr2]
# 输入
for t in range(2):
for i in range(m):
a = input().split()
arr[t].append(a)
count = 0
for j in range(m):
for g in range(n):
if arr1[j][g]==arr2[j][g]:
count+=1
print("%.2f"%(100*count/(m*n)))
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