View Compilation Error

In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cassert:43:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:33,
                 from 0_0_21778317_6624.cpp:1:
0_0_21778317_6624.cpp: In function 'int main()':
0_0_21778317_6624.cpp:82:19: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
 assert(cnt == n - 1);
                   ^