Monikulmio

lines, columns, k = map(int, input().split(" "))
sign = lambda x: x//abs(x)
art = [["." for _ in range(columns)] for _ in range(lines)]
points = []
for i in range(k):
    x, y = map(int, input().split(" "))
    points.append((y, x))


for i, (x,y) in enumerate(points):
    last_x, last_y = points[i-1]
    art[y-1][x-1]="*"

    dy, dx = y-last_y, x-last_x

    if dy==0:
        for new_x in range(min(x, x-dx)+1, max(x, x-dx)):
            art[y-1][new_x-1] = "="
    elif dx==0:
        for new_y in range(min(y, y-dy)+1, max(y, y-dy)):
            art[new_y-1][x-1] = "|"
    elif dy/-dx > 0:
        for delta in range(1, abs(dx)):
            art[y-delta*sign(dy)-1][x-delta*sign(dx)-1] = "/"
    else:
        for delta in range(1, abs(dx)):
            art[y-delta*sign(dy)-1][x-delta*sign(dx)-1] = "\\"


print("\n".join(map("".join, art)))

Test 1 (public)

Verdict: ACCEPTED

Test 2 (public)

Verdict: ACCEPTED

Test 3 (public)

Verdict: ACCEPTED

Test 4 (public)

Verdict: ACCEPTED

Test 5 (public)

Verdict: ACCEPTED

Test 6 (public)

Verdict: ACCEPTED

Test 7 (public)

Verdict: ACCEPTED

Test 8 (public)

Verdict: ACCEPTED

Test 9 (public)

Verdict: ACCEPTED

Test 10 (public)

Verdict: ACCEPTED