Merge pull request #156 from Rushalverma/main

Author: zonedoutdg

Problems/Mathematics/Day-01/sol/Rushalverma/Solution1.cpp

@@ -0,0 +1,25 @@
+
+
+/*
+submission link: https://codeforces.com/contest/1560/submission/355218206
+Time complexity: O(1)
+*/
+
+#include<bits/stdc++.h>
+using namespace std;
+
+#define ll long long
+int main(){
+    int t ; cin >> t;
+    while(t--){
+        ll a,b,c; cin >> a >> b >> c;
+        ll n = abs(b-a)*2;
+        if(a>n||b>n||c>n){
+            cout << -1 << endl;
+        }else{
+            ll d = n/2 +c;
+            if(d>n){ d -= n;}
+            cout << d << endl;
+        }
+    }
+}