New June problem done

problems/231/main.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef int bool;
+#define true 1
+#define false 0 
+
+bool isPowerOfTwo(int n){
+    int count = 0;
+    while (n > 0) {
+        count += n & 1;
+        n >>= 1;
+    }
+    return count == 1;
+}
+
+int main() {
+    printf("Expected: true\n");
+    printf("Got: %s\n", isPowerOfTwo(16) ? "true" : "false");
+    return 0;
+}

problems/231/problem.txt

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+Given an integer, write a function to determine if it is a power of two.
+
+Example 1:
+
+Input: 1
+Output: true 
+Explanation: 20 = 1
+
+Example 2:
+
+Input: 16
+Output: true
+Explanation: 24 = 16
+
+Example 3:
+
+Input: 218
+Output: false
+

problems/231/run.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+gcc -o main main.c
+./main
+rm main