Doubt in Vector

[dare_devil_007 (Senapathi Krishnama Naidu)]

Coding Blocks IDE

i am getting conversion error.Why?

[Madeshi-Chinmay-2159857244260221 (Madeshi Chinmay)]

Vector size is initialized using circular brackets not square brackets.

[dare_devil_007 (Senapathi Krishnama Naidu)]

https://codeforces.com/contest/978/problem/D
i am not able to solve this question.Can you help me with this

[Madeshi-Chinmay-2159857244260221 (Madeshi Chinmay)]

Please post it as a doubt on portal . I am not allowed to accept doubts via comments