{"problem":{"name":"Count Distinct Integers","description":{"content":"In a sequence of $N$ positive integers $a = (a_1, a_2, \\dots, a_N)$, how many different integers are there?","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc240_b"},"statements":[{"statement_type":"Markdown","content":"In a sequence of $N$ positive integers $a = (a_1, a_2, \\dots, a_N)$, how many different integers are there?\n\n## Constraints\n\n*   $1 \\leq N \\leq 1000$\n*   $1 \\leq a_i \\leq 10^9 \\, (1 \\leq i \\leq N)$\n*   All values in input are integers.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$N$\n$a_1$ $\\ldots$ $a_N$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc240_b","tags":[],"sample_group":[["6\n1 4 1 2 2 1","3\n\nThere are three different integers: $1, 2, 4$."],["1\n1","1"],["11\n3 1 4 1 5 9 2 6 5 3 5","7"]],"created_at":"2026-03-03 11:01:13"}}