I have tried solving this question http://www.codechef.com/IOPC2013/problems/IOPC13H , but iam not able to figure out an algorithm, can any one explain/ideas about??
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I have tried solving this question http://www.codechef.com/IOPC2013/problems/IOPC13H , but iam not able to figure out an algorithm, can any one explain/ideas about??