22 lines
514 B
Java
22 lines
514 B
Java
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public class Jensen2 {
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interface IntToDoubleFunction {
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double apply(int n);
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}
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static double sum(int lo, int hi, IntToDoubleFunction f) {
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double res = 0;
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for (int i = lo; i <= hi; i++)
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res += f.apply(i);
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return res;
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}
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public static void main(String args[]) {
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System.out.println(
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sum(1, 100,
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new IntToDoubleFunction() {
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public double apply(int i) { return 1.0/i;}
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}));
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}
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}
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