790 B | 790 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
BLANK = " "
# inp = input
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
input()
r, c = mii()
l = [input() for _ in range(r)]
cnt = 0
for i in range(r):
for j in range(1, c - 1):
if l[i][j-1:j+2] == '>o<':
cnt += 1
for i in range(1, r - 1):
for j in range(0, c):
if l[i][j] == 'o' and l[i-1][j] == 'v' and l[i+1][j] == '^':
cnt += 1
p(cnt)
if __name__ == "__main__":
tc = ii()
for t in range(1, tc+1):
ret = solve()