From 3d2f75923401460e4c8e8b56e4a24b5a2e065592 Mon Sep 17 00:00:00 2001
From: Omar Magdy <omar.professional8777@gmail.com>
Date: Sun, 29 May 2022 01:58:31 +0200
Subject: Solved a few problems on codechef

---
 codechef/maximumLengthEvenSubarray.cpp | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 codechef/maximumLengthEvenSubarray.cpp

(limited to 'codechef/maximumLengthEvenSubarray.cpp')

diff --git a/codechef/maximumLengthEvenSubarray.cpp b/codechef/maximumLengthEvenSubarray.cpp
new file mode 100644
index 0000000..2cbd52b
--- /dev/null
+++ b/codechef/maximumLengthEvenSubarray.cpp
@@ -0,0 +1,27 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int sum(int x) {
+  int res = 0;
+  for(int i = 1; i <= x; i++) {
+    res+=i;
+  }
+  return res;
+}
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+	int tt;
+	cin >> tt;
+	while(tt--){
+    int n;
+    cin >> n;
+    if(sum(n) % 2 == 0) {
+      cout << n << '\n';
+    } else {
+      cout << n - 1 << '\n';
+    }
+	}
+}
-- 
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