From 3a89fc707253f75f46fd5a4822817f1fd5156c40 Mon Sep 17 00:00:00 2001
From: Omar Magdy <omar.professional8777@gmail.com>
Date: Mon, 30 May 2022 00:18:17 +0200
Subject: Made that every problem is its own folder to make building the code a
 smooth operation with a shortcut

---
 codechef/distinctPairSums/distinctPairSums.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 codechef/distinctPairSums/distinctPairSums.cpp

(limited to 'codechef/distinctPairSums/distinctPairSums.cpp')

diff --git a/codechef/distinctPairSums/distinctPairSums.cpp b/codechef/distinctPairSums/distinctPairSums.cpp
new file mode 100644
index 0000000..5726bb4
--- /dev/null
+++ b/codechef/distinctPairSums/distinctPairSums.cpp
@@ -0,0 +1,16 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+  int tt;
+  cin >> tt;
+  while (tt--) {
+    int l, r;
+    cin >> l >> r;
+    int foo = abs(r - l) + 1;
+    cout << (l == r ? 1 : (foo * (foo + 1)) / 2) << '\n';
+  }
+}
-- 
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