#include "testlib.h" #include #include #include #include using namespace std; int main(int argc, char* argv[]) { registerGen(argc, argv, 1); // Number of serials: small to moderate for manual verification int N = rnd.next(1, 15); set used; vector serials; while ((int)serials.size() < N) { // Choose length: mostly small, occasionally medium or long int L; int p = rnd.next(0, 3); if (p == 0) L = rnd.next(20, 50); else if (p == 1) L = rnd.next(6, 20); else L = rnd.next(1, 5); // Decide how many digits to include to cover edge cases int k; int t = rnd.next(0, 3); if (t == 0) k = 0; // pure letters else if (t == 1) k = L; // pure digits else if (t == 2) k = rnd.next(1, min(3, L)); // few digits else k = rnd.next(max(0, L-3), L-1); // many digits but mixed // pick k distinct positions for digits vector pos(L); for (int i = 0; i < L; i++) pos[i] = i; shuffle(pos.begin(), pos.end()); set digitPos(pos.begin(), pos.begin() + k); // build the serial string s; s.reserve(L); for (int i = 0; i < L; i++) { if (digitPos.count(i)) { char d = char('0' + rnd.next(0, 9)); s.push_back(d); } else { char c = char('A' + rnd.next(0, 25)); s.push_back(c); } } if (!used.count(s)) { used.insert(s); serials.push_back(s); } } // Shuffle the list so order is random shuffle(serials.begin(), serials.end()); // Output println(N); for (auto &s : serials) println(s); return 0; }

코드 #6234