Precreation contest files

Codeforces/CodeforcesRound1034(Div3)/EMEXCount/input1

@@ -0,0 +1,11 @@
+5
+5
+1 0 0 1 2
+6
+3 2 0 4 5 1
+6
+1 2 0 1 3 2
+4
+0 3 4 1
+5
+0 0 0 0 0

Codeforces/CodeforcesRound1034(Div3)/EMEXCount/output1

@@ -0,0 +1,5 @@
+1 2 4 3 2 1
+1 6 5 4 3 2 1
+1 3 5 4 3 2 1
+1 3 3 2 1
+1 1 1 1 1 1

Codeforces/CodeforcesRound1034(Div3)/EMEXCount/solution.cpp

@@ -0,0 +1,31 @@
+#include "iostream"
+#include <map>
+
+using namespace std;
+
+void solve() {
+  int n, x;
+  cin >> n;
+  map<int, int> hash_map;
+
+  for (int i = 0; i < n; i++) {
+    cin >> x;
+    if (hash_map.count(x) == 0)
+      hash_map[x] = 1;
+    else
+      hash_map[x]++;
+  }
+
+  for (int k = 0; k <= n; k++) {
+    int cur_mex = 0;
+    for (auto &i : hash_map) {
+    }
+  }
+}
+
+int main() {
+  int t;
+  cin >> t;
+  while (t--)
+    solve();
+}