정올 1438 여러가지 - 색종이(초)

문제

예제

n = int(input())

x = [[False for _ in range(100)] for _ in range(100)]

for _ in range(n):

    st_j, st_i = map(int, input().split())

    for i in range(st_i, st_i + 10):

        for j in range(st_j, st_j + 10):

            x[i][j] = True

area = 0

for i in range(100):

    for j in range(100):

        if x[i][j]:

            area += 1

print(area)

답