Thứ 4 - 17/05/2017 Bài 1

Author: tynnp

UPCODER/[OLP17Train]:B1_17-05-2017.cpp

@@ -0,0 +1,15 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int main() {
+    int x, n = 10;
+    set<int> s;
+    
+    while (n--) {
+        cin >> x;
+        s.insert(x % 42);
+    }
+    
+    cout << s.size();
+    return 0;
+}