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Minimum number of coins Problem Code: MINCOINS | CodeChef Solution | Python3

Chef has infinite coins in denominations of rupees 5 and rupees 10. Find the minimum number of coins Chef needs, to pay exactly X rupees. If it is impossible to pay X rupees in denominations of rupees 5 and 10 only, print −1. Input Format First line will contain T, number of test cases. Then the test cases follow. Each test case contains of a ...

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