Create solution001.cpp

Author: adityasingh-0803

Problems/Mathematics/Day-01/sol/Aditya_Singh/solution001.cpp

@@ -0,0 +1,39 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int main() {
+    ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    int t;
+    cin >> t;
+
+    while (t--) {
+        long long a, b, c;
+        cin >> a >> b >> c;
+
+        long long d = llabs(a - b);  // distance between opposite people
+
+        // If distance is zero, circle can't exist
+        if (d == 0) {
+            cout << -1 << "\n";
+            continue;
+        }
+
+        long long n = 2 * d;
+
+        long long ans;
+        if (c + d <= n)
+            ans = c + d;
+        else
+            ans = c - d;
+
+        // Validate answer
+        if (ans < 1 || ans > n)
+            cout << -1 << "\n";
+        else
+            cout << ans << "\n";
+    }
+
+    return 0;
+}