23:34

crystal/gen.cpp

@@ -0,0 +1,13 @@
+#include<bits/stdc++.h>
+using namespace std;
+mt19937_64 ran64(time(0));
+mt19937 ran(time(0));
+int main() {
+    int n = ran() % 5000;
+    long long m = ran64() % 1000000000000000000ll;
+    printf("%d %lld\n", n, m);
+    for(int i = 1; i <= n; ++i) {
+        printf("%lld ", ran64() % 1000000000000ll);
+    }
+    return 0;
+}