The prices of hundreds of everyday items, including food and fuel, are tracked by the Office for National Statistics (ONS).
First FT: the day’s biggest stories
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3 \cdot \pi \quad &\rightarrow \quad v_3 = 9, \quad &&x_3 = 0.4247\ldots \\
“Copywriting” (Shigesato Itoi)
stack.push(cur); // 当前元素入栈，作为前面元素的候选更大值