View Compilation Error

In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cstdbool:39:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:56,
                 from 0_0_30229937_24772.cpp:1:
0_0_30229937_24772.cpp: In function 'int main()':
0_0_30229937_24772.cpp:91:13: error: expected primary-expression before 'bool'
             bool flag=0;
             ^
0_0_30229937_24772.cpp:97:21: error: 'flag' was not declared in this scope
                     flag=1;
                     ^
0_0_30229937_24772.cpp:103:16: error: 'flag' was not declared in this scope
             if(flag==0)
                ^