[백준/Python] 9610 - 사분면

https://www.acmicpc.net/problem/9610

n = int(input())
Q1, Q2, Q3, Q4, AXIS = 0, 0, 0, 0, 0

for _ in range(n):
    x, y = map(int, input().split())

    if x > 0 and y > 0:
        Q1 += 1
    elif x < 0 and y > 0:
        Q2 += 1
    elif x < 0 and y < 0:
        Q3 += 1
    elif x > 0 and y < 0:
        Q4 += 1
    else:
        AXIS +=1

print(f"Q1: {Q1}\nQ2: {Q2}\nQ3: {Q3}\nQ4: {Q4}\nAXIS: {AXIS}")