aoc2208.py

a = []
with open('2208.0') as file:
# with open('test') as file:
    for line in file:
        temp = []
        for c in line.strip():
            temp.append(int(c))
        a.append(temp)
R, C = len(a), len(a[0])
peri = R * 2 + C * 2 - 4
res = peri
res2 = 0
for r in range(1, R - 1):
    for c in range(1, C - 1):
        n = a[r][c]
        # up
        ok = True
        for i in range(r):
            if a[i][c] >= n:
                ok = False
        if ok:
            res += 1
            continue
        # down
        ok = True
        for i in range(r + 1, R):
            if a[i][c] >= n:
                ok = False
        if ok:
            res += 1
            continue
        # left
        ok = True
        for i in range(c):
            if a[r][i] >= n:
                ok = False
        if ok:
            res += 1
            continue
        # right
        ok = True
        for i in range(c + 1, C):
            if a[r][i] >= n:
                ok = False
        if ok:
            res += 1
            continue
    
    # part 2
    
    for c in range(1, C - 1):
        n = a[r][c]
        u = 0
        for i in range(r - 1, -1, -1):
            u += 1
            if a[i][c] >= n:
                break
        d = 0
        for i in range(r + 1, R):
            d += 1
            if a[i][c] >= n:
                break
        l = 0
        for i in range(c - 1, -1, -1):
            l += 1
            if a[r][i] >= n:
                break
        rr = 0
        for i in range(c + 1, C):
            rr += 1
            if a[r][i] >= n:
                break
        temp = u * d * l * rr
        res2 = res2 if res2 > temp else temp
print('Star 1:', res)
print('Star 2:', res2)