1

2026-07-29 22:53:24 +05:00
parent 8bc1b22a1c
commit f853068f9b
5 changed files with 146 additions and 15 deletions
@@ -0,0 +1,31 @@
+#include <iostream>
+#include <string>
+#include <stdexcept>
+
+using namespace std;
+
+string decrypt_snakey(string encrypted, int col) {
+    string decrypted;
+    for (int i = 0; i < col; i++) {
+        for (int offset = 0;; offset++) {
+            try {
+                decrypted += encrypted.at(i + offset * 2 * col);
+                decrypted += encrypted.at((offset + 1) * 2 * col - i - 1);
+            } catch (out_of_range&) {
+                break;
+            }
+        }
+    }
+    return decrypted;
+}
+
+int main() {
+    ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+    string encrypted;
+    int col;
+    cin >> col >> encrypted;
+    cout << decrypt_snakey(encrypted, col) << endl;
+
+    return 0;
+}