From d2edbc38cac8da52f58c5cd3da6c0c625fa05736 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Sat, 6 Feb 2021 19:56:36 +0100
Subject: conf: rename

---
 Year_1/Programming_2/algorithms/cbrt.cc | 37 +++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Year_1/Programming_2/algorithms/cbrt.cc

(limited to 'Year_1/Programming_2/algorithms/cbrt.cc')

diff --git a/Year_1/Programming_2/algorithms/cbrt.cc b/Year_1/Programming_2/algorithms/cbrt.cc
new file mode 100644
index 0000000..30c7792
--- /dev/null
+++ b/Year_1/Programming_2/algorithms/cbrt.cc
@@ -0,0 +1,37 @@
+#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;
+}
+
+double cbrt2(int n) {
+    int i = 1;
+    while(i*i*i <= n)
+        ++i;
+    // precision
+    
+    --i;
+    while(i*i*i < n)
+        i+=0.000001;
+    
+    return i;
+}
+
+int main() {
+    int i;
+    cin >> i;
+    cout << i << ' ' << cbrt(i) << endl;
+    return 0;
+}
-- 
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