add some passed codes

2661-231201/main.cpp

@@ -0,0 +1,26 @@
+#include<stdcpp.h>
+using namespace std;
+
+class Solution{
+    public:
+    int firstCompleteIndex(vector<int>& arr, vector<vector<int>>& mat) {
+        
+    }
+};
+
+int main(){
+    Solution sol;
+
+    vector<int> ex1_arr = {1,3,4,2};
+    vector<int> ex1_row1 = {1,4};
+    vector<int> ex1_row2 = {2,3};
+    vector<vector<int> > ex1_mat = {ex1_row1,ex1_row2};
+    sol.firstCompleteIndex(ex1_arr, ex1_mat);
+
+    vector<int> ex2_arr = {2,8,7,4,1,3,5,6,9};
+    vector<int> ex2_row1 = {3,2,5};
+    vector<int> ex2_row2 = {1,4,6};
+    vector<int> ex2_row3 = {8,7,9};
+    vector<vector<int> > ex2_mat = {ex2_row1,ex2_row2,ex2_row3};
+    sol.firstCompleteIndex(ex2_arr, ex2_mat);
+}