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-rw-r--r--1_anno/Programmazione_2/algorithms/pow.cc25
1 files changed, 25 insertions, 0 deletions
diff --git a/1_anno/Programmazione_2/algorithms/pow.cc b/1_anno/Programmazione_2/algorithms/pow.cc
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+++ b/1_anno/Programmazione_2/algorithms/pow.cc
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+#include<iostream>
+
+using namespace std;
+
+int pow(int x, int y) {
+ int a = 1;
+
+ for(int i = 0; i < y; ++i)
+ a*=x;
+
+ return a;
+}
+
+
+int pow2(int x, int y) {
+ if(y < 1) return 1;
+
+ return x*pow(x, y-1);
+}
+
+int main() {
+ cout << pow(2, 5) << endl;
+ cout << pow2(2, 5) << endl;
+ return 0;
+}