Sublime text 3 error . please help!

You need to install mingw gcc/g++. See this video for installation purposes https://www.youtube.com/watch?v=sXW2VLrQ3Bs&ab_channel=ProgrammingKnowledge2

did that already, but showing this error. please help me resolve the issue asap.

add these lines
#ifndef ONLINE_JUDGE
freopen(“input.txt”, “r”, stdin);
freopen(“output.txt”, “w”, stdout);
#endif

and keep the input and output files in same location as pleasechalja.cpp

Add these lines in the start of the main.