Member Avatar for billchow24

How can I read integer by ifstream from a file
2 3 -5 9 -6
Besides, how can I read the negative sign also?

Thanks everyone!!

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  • Latest Post Latest Post by Ancient Dragon
Member Avatar for Ancient Dragon

just use stream's >> operator on an integer, it will convert negative sign for you to make the value of the integer negative.

ifstream in("file.txt");
int n;
in >> n;
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