1

5 1
10 1
20 5
30 10
50 2
75 1
100 1

50

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

0

;

3/3

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