A - Divan and a Store

https://codeforces.com/contest/1614/submission/136995472

CodeForces/1614/A/A.cpp

@@ -0,0 +1,28 @@
+#include <bits/stdc++.h>
+
+using std::cin;
+using std::cout;
+using std::endl;
+
+int t, n, l, r, k, a[105];
+
+int main() {
+    cin >> t;
+    while (t--) {
+        int ans = 0;
+        cin >> n >> l >> r >> k;
+        for (int i = 0; i < n; i++) {
+            cin >> a[i];
+        }
+        std::sort(a, a + n);
+        for (int i = 0; i < n; i++) {
+            if (k < a[i]) break;
+            if (l <= a[i] && a[i] <= r) {
+                k -= a[i];
+                ans++;
+            }
+        }
+        cout << ans << endl;
+    }
+    return 0;
+}