Precreation contest files

Codeforces/CodeforcesRound1037(Div3)/CIWillDefinitelyMakeIt/input1

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+5
+5 3
+3 2 1 4 5
+3 1
+1 3 4
+4 4
+4 4 4 2
+6 2
+2 3 6 9 1 2
+4 2
+1 2 5 6

Codeforces/CodeforcesRound1037(Div3)/CIWillDefinitelyMakeIt/output1

@@ -0,0 +1,5 @@
+YES
+NO
+YES
+YES
+NO

Codeforces/CodeforcesRound1037(Div3)/CIWillDefinitelyMakeIt/solution.cpp

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+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+void solve() {
+  int n, k;
+  cin >> n >> k;
+  vector<int> a(n);
+  for (auto &i : a)
+    cin >> i;
+  int h = a[k - 1];
+  sort(a.begin(), a.end());
+
+  int time = 0;
+  for (auto H : a) {
+    if (H <= h)
+      continue;
+    time += H - h;
+    if (time > h) {
+      cout << "NO\n";
+      return;
+    }
+    h = H;
+  }
+
+  cout << "YES\n";
+}
+
+int main() {
+  int t;
+  cin >> t;
+  while (t--) {
+    solve();
+  }
+}