cumpanit.cpp: In function 'void solve()': cumpanit.cpp:43: warning: suggest parentheses around comparison in operand of '&' cumpanit.cpp:50: warning: 'auto' will change meaning in C++0x; please remove it cumpanit.cpp:50: error: expected initializer before ':' token cumpanit.cpp:53: error: expected primary-expression before 'return' cumpanit.cpp:53: error: expected ';' before 'return' cumpanit.cpp:53: error: expected primary-expression before 'return' cumpanit.cpp:53: error: expected ')' before 'return' cumpanit.cpp: In function 'int main()': cumpanit.cpp:56: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cumpanit.cpp:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cumpanit.cpp:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result