Submission #90834

#TimeUsernameProblemLanguageResultExecution timeMemory
90834zzeeUnija (COCI17_unija)Cpython 3
0 / 100
1083 ms7400 KiB
n = int(input())
L = []
L1 = []
p = 0
for i in range(840):
    for j in range(840):
        L1 = L1 + [0]
    L = L + [L1]
    L1 = []
for m in range(n):
    x,y = map(int, input().split())
    xk = x // 2
    yk = y // 2
    for i in range(yk):
        for j in range(xk):
            L[i][j] = 1
for i in range(840):
    for j in range(840):
        if L[i][j] == 1:
            p = p + 1
print(p*4)

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