Added 1846B - Rudolph and Tic-Tac-Toe.cpp

Author: vikashpatel24

1846B - Rudolph and Tic-Tac-Toe.cpp

@@ -0,0 +1,70 @@
+//                                 ॐ नमः शिवाय
+#include<bits/stdc++.h>
+using namespace std;
+
+#define ll long long
+#define pb push_back
+#define ff first
+#define ss second
+#define mp make_pair
+ 
+// Code Written By: Vikash Patel
+// Codeforces Profile: https://codeforces.com/profile/vikashpatel
+
+string solve(vector<vector<char>> m)
+{
+    string d1, d2;
+    int k = -1;
+    for(int i=0; i<3; i++)
+    {
+        k++;
+        string s1, s2;
+        for(int j=0; j<3; j++)
+        {
+            s1 += m[i][j];
+            s2 += m[j][k];
+            if(i == j)
+            d1 += m[i][j];
+        }
+        if(s1 == "XXX" || s2 == "XXX")
+        return "X";
+        else if(s1 == "OOO" || s2 == "OOO")
+        return "O";
+        else if(s1 == "+++" || s2 == "+++")
+        return "+";
+    }
+    d2 += m[2][0];
+    d2 += m[1][1];
+    d2 += m[0][2];
+        if(d1 == "XXX" || d2 == "XXX")
+        return "X";
+        else if(d1 == "OOO" || d2 == "OOO")
+        return "O";
+        else if(d1 == "+++" || d2 == "+++")
+        return "+";
+        
+        return "DRAW";
+}
+
+int main()
+{
+    ios_base::sync_with_stdio(0);
+    cin.tie(0);
+    cout.tie(0);
+    
+    // #ifndef ONLINE_JUDGE
+    // freopen("input.txt", "r", stdin);
+    // freopen("/Users/vikash/Desktop/output.txt", "w", stdout);
+    // #endif
+    
+    int t;
+    cin>>t;
+    while(t--)
+    {
+        string a, b, c;
+        cin>>a>>b>>c;
+        vector<vector<char>> m = {{a[0], a[1], a[2]}, {b[0], b[1], b[2]}, {c[0], c[1], c[2]}};
+        cout<<solve(m)<<endl;
+    }
+    return 0;
+}