27 lines
703 B
Java
27 lines
703 B
Java
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public class PowerFunction {
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public static int power(int base, int exp) {
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if (exp == 0) {
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return 1;
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}
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if (exp == 1) {
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return base;
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}
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int half = power(base, exp / 2);
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if (exp - (exp / 2) * 2 == 0) {
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return half * half;
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}
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return base * half * half;
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}
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public static int main() {
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System.out.println(power(2, 0));
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System.out.println(power(2, 1));
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System.out.println(power(2, 3));
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System.out.println(power(2, 5));
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System.out.println(power(2, 10));
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System.out.println(power(3, 4));
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System.out.println(power(5, 3));
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return 0;
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}
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}
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