{"problem":{"name":"Odds of Oddness","description":{"content":"Given is an integer $N$. Takahashi chooses an integer $a$ from the positive integers not greater than $N$ with equal probability. Find the probability that $a$ is odd.","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc142_a"},"statements":[{"statement_type":"Markdown","content":"Given is an integer $N$.\nTakahashi chooses an integer $a$ from the positive integers not greater than $N$ with equal probability.\nFind the probability that $a$ is odd.\n\n## Constraints\n\n*   $1 \\leq N \\leq 100$\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$N$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc142_a","tags":[],"sample_group":[["4","0.5000000000\n\nThere are four positive integers not greater than $4$: $1$, $2$, $3$, and $4$. Among them, we have two odd numbers: $1$ and $3$. Thus, the answer is $\\frac{2}{4} = 0.5$."],["5","0.6000000000"],["1","1.0000000000"]],"created_at":"2026-03-03 11:01:14"}}