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freeCodeCampDelhi · Jan 18, 2018 · bcfb4c7 · bcfb4c7
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diff --git a/CP/CodeWhizz 1.0/a.out b/CP/CodeWhizz 1.0/a.out
diff --git a/CP/Practice/medium/treeroot.py b/CP/Practice/medium/treeroot.py
@@ -0,0 +1,9 @@
+for _ in range(int(input())):
+    n = int(input())
+    sum1 = 0
+    sum2 = 0
+    for z in range(n):
+        p,q = map(int,raw_input().split())
+        sum1+=p
+        sum2+=q
+    print(sum1-sum2)