text3.cpp: In function 'int main()': text3.cpp:19: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[21]' text3.cpp:29: warning: array subscript has type 'char' text3.cpp:34: warning: array subscript has type 'char' text3.cpp:36: warning: array subscript has type 'char' text3.cpp:38: warning: array subscript has type 'char' text3.cpp:44: warning: array subscript has type 'char' text3.cpp:44: warning: array subscript has type 'char' text3.cpp:44: warning: array subscript has type 'char' text3.cpp:45: warning: array subscript has type 'char' text3.cpp:46: warning: array subscript has type 'char' text3.cpp:47: warning: array subscript has type 'char' text3.cpp:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result text3.cpp:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result text3.cpp:54: warning: 'grt' may be used uninitialized in this function