合并过程：用临时数组，双指针比较两个子数组元素，小的先放入
The model must be autoregressive. It receives a token sequence as input and predicts the next token. Output digits are generated one at a time, with each new token fed back as input for predicting the next. The carry propagation must emerge from this autoregressive process — not from explicit state variables passed between steps in Python.
，这一点在同城约会中也有详细论述
for (let i = len - 1; i = 0; i--) {
Цены на нефть взлетели до максимума за полгода17:55
Rare clash off island’s coast took place amid US oil embargo and heightened tensions between two countries