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- package edu.example
- fun main() {
- val bills = arrayOf(500, 200, 100, 50, 20, 10)
- var count = 0
- var sum = readln().toInt()
- var currentBillIndex = 0
- while (sum >= 10) {
- if (sum >= bills[currentBillIndex]) {
- sum -= bills[currentBillIndex];
- count++
- }
- else {
- currentBillIndex++;
- }
- }
- println(if (sum == 0) count else -1)
- }
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