add hackcase

Author: NyaanNyaan

sample/many_aplusb/gen/digit_random.cpp

@@ -0,0 +1,28 @@
+#include <iostream>
+#include <vector>
+
+#include "../params.h"
+#include "random.h"
+using namespace std;
+
+constexpr int MAX_DIGIT = 18;
+
+int main(int, char* argv[]) {
+  long long seed = atoll(argv[1]);
+  auto gen = Random(seed);
+
+  long long ten[MAX_DIGIT + 1];
+  ten[0] = 1;
+  for (int i = 1; i <= MAX_DIGIT; i++) ten[i] = ten[i - 1] * 10;
+  ten[0] = 0;
+
+  int t = T_MAX;
+  printf("%d\n", t);
+  for (int i = 0; i < t; i++) {
+    int d = gen.uniform(1, MAX_DIGIT);
+    auto a = gen.uniform(ten[d - 1], ten[d] - 1);
+    auto b = gen.uniform(ten[d - 1], ten[d] - 1);
+    printf("%lld %lld\n", a, b);
+  }
+  return 0;
+}

sample/many_aplusb/hash.json

@@ -3,6 +3,10 @@
   "all_max_00.out": "24ce596c4b5f1c85052483d51e94c07fadad3030194cb7b502b395c51438a6e5",
   "all_zero_00.in": "bb70dc765611ddde462b8be4fe35fb7690b39d299d3ea7a223c3b0d8a99cf83c",
   "all_zero_00.out": "8c8d88267427078992f1e46e4990f40f30276b2e20fbb1cd25ccb7b7512e2e50",
+  "digit_random_00.in": "3739bd43fa96187c1455d02b3ef0816948f001081b4200fd56b735d36534783f",
+  "digit_random_00.out": "60c22c9ae581131514eb4ba6a0a01d53b33298ca1cf20f7a54e3e1d4e5fa3fa7",
+  "digit_random_01.in": "d3562d89753923ba3334b62e61d921492631bf2f0045ea6e9b210cd996e82c1a",
+  "digit_random_01.out": "1c5b524649395beac386e37fa5eb7514436b660011a92c90f590794dec1ff41f",
   "example_00.in": "218e305dda9f3e93f09779f883d1ca3e697afe90d64c1ad76200fabce069b9af",
   "example_00.out": "616ef6d43240235a67c7092501600c55ce3c42cde430995fd2f0dbfd153d95c1",
   "max_random_00.in": "06b2cdb5098d9a3e2f676cfb61c7a00717ec300ef85b752ec91d63835260c58c",

sample/many_aplusb/info.toml

@@ -11,6 +11,9 @@ forum = "https://github.com/yosupo06/library-checker-problems/issues/329"
 [[tests]]
     name = "max_random.cpp"
     number = 2
+[[tests]]
+    name = "digit_random.cpp"
+    number = 2
 [[tests]]
     name = "all_max.cpp"
     number = 1