Graph based question

#1

https://codeforces.com/contest/1325/problem/F

maine check kiya answer bake submissions dekhke. . . . . logic to sahi lagra hai corner cases bhi liye hai par fir bhi merai sare test case accept hi hue

#2

ye mere wala answer hai . . . . . help milaige

#3

you raised your doubt under a simple introduction to STL containers. so I can’t see the question whose solution you are referring. can you please post the question as well.
thanks

#4

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