CHALLENGE ACTIVITY

$2\mathrm{.}2\mathrm{.}1$: File input.

$539630\mathrm{.}2357278.$qx$3$zqy$7$

Jump to level $1$

String nameOfFile is a file's name read from input. Open nameOfFile as an input file associated with ifstream dataFS.

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main.cpp

data$1.$txt

data$2.$txt

data$3.$txt