cses

commit 58a87134b164074107e7a97261810f594e7b289a
parent cc8772b051522fc19f8c9f5370602b68b0b42b58
Author: superpozycja <anna@superpozycja.net>
Date:   Sun, 27 Oct 2024 14:28:24 +0100

solve ferris wheel

Diffstat:
A
sorting_and_searching/ferris_wheel.cpp
 | 
48
++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 48 insertions(+), 0 deletions(-)
diff --git a/sorting_and_searching/ferris_wheel.cpp b/sorting_and_searching/ferris_wheel.cpp
@@ -0,0 +1,48 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+using ui = unsigned int;
+using l = long;
+using ul = unsigned long;
+using ll = long long;
+using ull = unsigned long long;
+
+using vi = vector<int>;
+using vui = vector<ui>;
+using vl = vector<l>;
+using vul = vector<ul>;
+using vll = vector<ll>;
+using vull = vector<ull>;
+
+void solve()
+{
+	int n, x;
+	cin >> n >> x;
+	int p[n];
+	for (int i = 0; i < n; i++)
+		cin >> p[i];
+	int i = 0, j = n-1;
+
+	sort(p, p+n);
+
+	int res = 0;
+	while (i <= j) {
+		if (i == j) {
+			j--;
+		} else if (p[i] + p[j] > x) {
+			j--;
+		} else {
+			i++;
+			j--;
+		}
+		res++;
+	}
+
+	cout << res << "\n";
+}
+
+int main()
+{
+	solve();
+}