Can't use header file which is created by sir

#1

In this video sir created a class name vector .
And he made a header file which runs successfully.
But when I had created class and make a header file the compiler said that vector header file doesn’t exist

#2

hi @swatantra1240_25a488bfc859a4ab have u made it in same folder? have u imported it? please check the vid again to ensure these

#3

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