A grade
{ }
B grade
{ 1, 2, 3, 4, 7, 8, 9, 10, 11, 12, 13, 17, 18, 19, 20, 21, 22, 23, 35, 36, 37, 38, 42, 43, 44, 49, 50, 51, 53, 61, 62, 71, 72, 88, 89, 90, 91, 95, 96, 97, 102, 103, 104, 109, 110, 111, 114, 119, 120, 130, 146, 153, 154, 245 }
C grade
{ }
F normal fail
{ 5, 14, 16, 24, 26, 27, 31, 32, 33, 34, 47, 48, 59, 68, 70, 78, 80, 84, 85, 86, 87, 100, 101, 112, 121, 123, 131, 134, 135, 136, 137, 138, 139, 152, 163, 165, 174, 175, 188, 189, 190, 197, 203, 204, 205, 246 }
F(-1) timedout fail
{ 6, 15, 25, 28, 29, 30, 39, 40, 41, 45, 46, 52, 54, 55, 56, 57, 58, 60, 63, 64, 65, 66, 67, 69, 73, 74, 75, 76, 77, 79, 81, 82, 83, 92, 93, 94, 98, 99, 105, 106, 107, 108, 113, 115, 116, 117, 118, 122, 124, 125, 126, 127, 128, 129, 132, 133, 140, 141, 142, 143, 144, 145, 147, 148, 149, 150, 151, 155, 156, 157, 158, 159, 160, 161, 162, 164, 166, 167, 168, 169, 170, 171, 172, 173, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 191, 192, 193, 194, 195, 196, 198, 199, 200, 201, 202, 206, 207, 208, 209, 210, 211, 217, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263 }
F(-2) exception fail