cses

commit 04af54b28c80829a2702adbbf1e91cb154a9dfed
parent 98229838ba23528f01047d769d9a44eac6552469
Author: superpozycja <anna@superpozycja.net>
Date:   Wed, 30 Oct 2024 23:01:16 +0100

solve josephus problem i

Diffstat:
A
sorting_and_searching/josephus_problem_i.cpp
 | 
50
++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 50 insertions(+), 0 deletions(-)
diff --git a/sorting_and_searching/josephus_problem_i.cpp b/sorting_and_searching/josephus_problem_i.cpp
@@ -0,0 +1,50 @@
+#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;
+	cin >> n;
+	set<int> res;
+	for (int i = 1; i <= n; i++) {
+		res.insert(i);
+	}
+
+	auto last = res.begin();
+	for (int i = 1; i <= n; i++) {
+		last++;
+		if (last == res.end()) {
+			last = res.begin();
+		}
+		cout << *last << " ";
+		auto l2 = last;
+		l2++;
+		res.erase(last);
+		if (l2 == res.end()) {
+			l2 = res.begin();
+		}
+		last = l2;
+	}
+	cout << "\n";
+}
+
+int main()
+{
+	ios::sync_with_stdio(0);
+	cin.tie(0);
+	solve();
+}