maxbin.cpp: In function 'int main()': maxbin.cpp:5: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result maxbin.cpp:6: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result maxbin.cpp:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result maxbin.cpp:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result maxbin.cpp:7: warning: 'pos1' may be used uninitialized in this function maxbin.cpp:7: warning: 'pos0' may be used uninitialized in this function maxbin.cpp:7: warning: 'curr' may be used uninitialized in this function