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  1. import java.util.function.BiFunction;
  2. import java.util.stream.IntStream;
  3.  
  4. class M {
  5. 	public static void main (String[] args) {
  6. 		BiFunction<Integer, Integer, Integer> dontGimme5 = 
  7. 			(a,b)->IntStream.range(a,b+1).map(i->(""+i).contains("5")?0:1).sum();
  8. 		System.out.println(dontGimme5.apply(1,  9));
  9. 		System.out.println(dontGimme5.apply(4, 17));
  10. 		System.out.println(dontGimme5.apply(-50, -59));
  11. 	}
  12. }
Success #stdin #stdout 0.09s 711168KB
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https://ideone.com/jijz6i
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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