Solved some new problems

1 files changed, 35 insertions, 0 deletions

diff --git a/codechef/groupAssignment/main.cpp b/codechef/groupAssignment/main.cpp
new file mode 100644
index 0000000..0cb4e4e
--- /dev/null
+++ b/codechef/groupAssignment/main.cpp
@@ -0,0 +1,35 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+	int tt;
+	cin >> tt;
+	while(tt--){
+    int n;
+    cin >> n;
+    unordered_map <int, int> mp;
+    for(int i = 0; i < n; i++) {
+      int x;
+      cin >> x;
+      mp[x]++;
+    }
+    bool ok = true;
+    for(auto p : mp) {
+      cerr << p.first << endl;
+    }
+    for(auto p : mp) {
+      if(p.second % p.first != 0) {
+        ok = false;
+        break;
+      }
+    }
+    if(ok) {
+      cout << "YES" << endl;
+    } else {
+      cout << "NO" << endl;
+    }
+	}
+}