The 's' replaces a single Room match at a time nevertheless the 's+' replaces The full Room sequence simultaneously with the second parameter.
In cases like this, it makes no variation, because you are changing every little thing by having an vacant string (Even though It might be superior to work with s+ from an performance standpoint). In the event you have been changing with a non-vacant string, The 2 would behave differently. Share Boost this response Observe
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Making use of %s in scanf without an explcit discipline width opens the same buffer overflow exploit that gets did; particularly, if there are actually a lot more figures during the enter stream compared to focus on buffer is sized to carry, scanf will happily produce those additional characters to memory outdoors the buffer, perhaps clobbering something crucial. However, compared with in printf, You can not source the sector with for a run time argument:
This is rather regular error-checking code for just a Python script that accepts command-line arguments.
The primary difference lies in just how it get's taken care of. If you would've a bunch of (by way of example) 3 Areas specifically pursuing each other s+ takes that team and turns The entire it right into a "", when s would proces every single Area By itself.
And because your second parameter is vacant string "", there's no difference between the output of two scenarios.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges three 15 Take note that this sort of string interpolation is deprecated in favor of the more impressive str.structure technique.
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Firstly you have to know that remaining output of the two the statements are going to be exact same i.e. to get rid of many of the Areas from given string.
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