{"problem":{"name":"A Reverse","description":{"content":"You are given integers $L$, $R$, and a string $S$ consisting of lowercase English letters.   Print this string after reversing (the order of) the $L$\\-th through $R$\\-th characters.","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc233_b"},"statements":[{"statement_type":"Markdown","content":"You are given integers $L$, $R$, and a string $S$ consisting of lowercase English letters.  \nPrint this string after reversing (the order of) the $L$\\-th through $R$\\-th characters.\n\n## Constraints\n\n*   $S$ consists of lowercase English letters.\n*   $1 \\le |S| \\le 10^5$ ($|S|$ is the length of $S$.)\n*   $L$ and $R$ are integers.\n*   $1 \\le L \\le R \\le |S|$\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$L$ $R$\n$S$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc233_b","tags":[],"sample_group":[["3 7\nabcdefgh","abgfedch\n\nAfter reversing the $3$\\-rd through $7$\\-th characters of `abcdefgh`, we have `abgfedch`."],["1 7\nreviver","reviver\n\nThe operation may result in the same string as the original."],["4 13\nmerrychristmas","meramtsirhcyrs"]],"created_at":"2026-03-03 11:01:14"}}