AC 250, tried atcoder virtual contest, wasn't even half bad

atcoder/beginner_contests/250/e.cpp

@@ -0,0 +1,36 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int n, q;
+    cin >> n;
+
+    vector<int> a(n), b(n);
+
+    for(int i = 0; i < n; ++i){
+        cin >> a[i];
+    }
+    for(int i = 0; i < n; ++i){
+        cin >> b[i];
+    }
+
+    cin >> q;
+    for(int j = 0; j < q; ++j){
+        int x, y;
+        cin >> x >> y;
+
+        set<int> a_set(a.begin(), a.begin() + x);
+        set<int> b_set(b.begin(), b.begin() + y);
+
+        cout << (a_set == b_set ? "Yes" : "No") << '\n';
+    }
+
+    cout << flush;
+
+    return 0;
+}