{"problem":{"name":"MissingNo.","description":{"content":"Naohiro had $N+1$ consecutive integers, one of each, but he lost one of them. The remaining $N$ integers are given in arbitrary order as $A_1,\\ldots,A_N$. Find the lost integer. The given input guaran","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc317_b"},"statements":[{"statement_type":"Markdown","content":"Naohiro had $N+1$ consecutive integers, one of each, but he lost one of them.\nThe remaining $N$ integers are given in arbitrary order as $A_1,\\ldots,A_N$. Find the lost integer.\nThe given input guarantees that the lost integer is uniquely determined.\n\n## Constraints\n\n*   $2 \\leq N \\leq 100$\n*   $1 \\leq A_i \\leq 1000$\n*   All input values are integers.\n*   The lost integer is uniquely determined.\n\n## Input\n\nThe input is given from Standard Input in the following format:\n\n$N$\n$A_1$ $A_2$ $\\ldots$ $A_N$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc317_b","tags":[],"sample_group":[["3\n2 3 5","4\n\nNaohiro originally had four integers, $2,3,4,5$, then lost $4$, and now has $2,3,5$.\nPrint the lost integer, $4$."],["8\n3 1 4 5 9 2 6 8","7"],["16\n152 153 154 147 148 149 158 159 160 155 156 157 144 145 146 150","151"]],"created_at":"2026-03-03 11:01:14"}}