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2021-04-21

-- Apr 7 In-Class Exercise Thread
for i in range(0,len(S)):
    for j in range(i, len(S)):
        if S[i][0] >= S[j][0] and S[i][1] <= S[j][1]:
            flag S[i] for removal
O(N): N^2
for i in range(0,len(S)): for j in range(i, len(S)): if S[i][0] >= S[j][0] and S[i][1] <= S[j][1]: flag S[i] for removal O(N): N^2
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