1 files changed, 21 insertions, 0 deletions
diff --git a/codeforces/TwoGroups/main.cpp b/codeforces/TwoGroups/main.cpp
new file mode 100644
index 0000000..0f7a8f9
--- /dev/null
+++ b/codeforces/TwoGroups/main.cpp
@@ -0,0 +1,21 @@
+#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 n;
+    cin >> n;
+    long long ans = 0;
+    for (int i = 0; i < n; i++) {
+      int x;
+      cin >> x;
+      ans += x;
+    }
+    cout << abs(ans) << '\n';
+	}
+}