Published On Dec 6, 2015
Help a family of 5 people move across the river by boat, and the boat is capable of maximum of 2 people carrying capacity. Time for traveling of each person in turn is 1 sec, 3 sec, 6 sec, 8 sec and 12 sec. If two people go on the boat, the boat will travel at the speed of the slower person, In 30 seconds please bring the whole family across the river.
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