문제

백준 2563번
제목 : 색종이

풀이

# Python3
n = int(input())
paper = [[0] * 100 for _ in range(100)]
area = 0

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

    for i in range(x, x+10):
        for j in range(y, y+10):
            paper[i][j] = 1

for i in paper:
    area += sum(i)

print(area)