That is not only a sadness and a loss, but becoming an aged society is a cultural and economic threat. Older people, by and large, are not the innovators or new thinkers. An ageing society risks declining in optimism, creativity and, above all, risk-taking: a top-heavy preponderance of older people makes for a conservative and fearful electorate. We are there already – and it’s getting worse.
if (n <= 1) return;
，这一点在搜狗输入法2026中也有详细论述
They sit on disk as plaintext, readable by any process running as your user
if (arr[j] < arr[minIdx]) {