pstring.cpp: In function 'int main()': pstring.cpp:13: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[100050]' pstring.cpp:14: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[100050]' pstring.cpp:28: warning: left-hand operand of comma has no effect pstring.cpp:38: warning: left-hand operand of comma has no effect pstring.cpp:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result pstring.cpp:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result pstring.cpp:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result pstring.cpp:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result