Create cbrt.cc

1 files changed, 24 insertions, 0 deletions

diff --git a/I_anno/Programmazione_2/algorithms/cbrt.cc b/I_anno/Programmazione_2/algorithms/cbrt.cc
new file mode 100644
index 0000000..bbd1ee1
--- /dev/null
+++ b/I_anno/Programmazione_2/algorithms/cbrt.cc
@@ -0,0 +1,24 @@
+#include<iostream>
+
+using namespace std;
+
+int cbrt(int n) {
+    int i = 0;
+    int j = n;
+    int q = (i+j)/2;
+    while(q*q*q != n) {
+        q = (i+j)/2;
+        if(q*q*q < n)
+            i=q;
+        else
+            j=q;
+    }
+    return q;
+}
+
+int main() {
+    int i;
+    cin >> i;
+    cout << i << ' ' << cbrt(i) << endl;
+    return 0;
+}