fix tle

Author: lrvideckis

tests/library_checker_aizu_tests/handmade_tests/xor_basis_walk.test.cpp

@@ -21,9 +21,9 @@ vector<bitset<B>> get_all(const vector<bitset<B>>& basis) {
 }
 int main() {
   cin.tie(0)->sync_with_stdio(0);
-  for (int num_tests = 0; num_tests < 1000; num_tests++) {
+  for (int num_tests = 0; num_tests < 100; num_tests++) {
     xor_basis<B> b;
-    int n = rnd(1, 18);
+    int n = rnd(1, 16);
     vector<bitset<B>> naive_basis;
     for (int i = 0; i < n; i++) {
       bitset<B> val = rnd(0, (1 << n) - 1);