becuri.cpp: In function 'int Solve(int)': becuri.cpp:10: warning: suggest parentheses around comparison in operand of '^' becuri.cpp:14: warning: suggest parentheses around comparison in operand of '^' becuri.cpp: In function 'int main()': becuri.cpp:67: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result becuri.cpp:68: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result becuri.cpp:70: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result becuri.cpp:73: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result