'''
Design an algorithm to find all pairs of integers within an array which sum to a specified value.

Hints: 548, 597, 644, 673
'''


def pairs_with_sum(s):
    pass

if __name__ == '__main__':
    assert pairs_with_sum('') ==
    assert pairs_with_sum('') ==
    assert pairs_with_sum('') ==
    assert pairs_with_sum('') ==
    assert pairs_with_sum('') ==
