Example: (i, j) = (2, 7)
У россиянки взломали аккаунт на «Госуслугах» и прописали в квартире мигрантов20:35
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The partnership drew scrutiny because of Flock’s reported ties to federal agencies. But the Flock spokesperson dismissed these ties as rumors, saying: “We do not have any contracts with any of them, which means they cannot directly access data on the platform.”。谷歌对此有专业解读
One convention of many "Unix-style" utilities is that they often produce minimal or even no output in normal situations, and that they normally run in a "one-shot" or "batch" fashion rather than being user-interactive like the "standard C" example. There are reasons for this (such as the ease of constructing shell scripts and pipelines), but this is an idea which I originally had to learn "orally" many years ago, rather than via more-formalized written means.