expeval.cpp: In function 'int main()': expeval.cpp:109: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[100005]' expeval.cpp:106: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result expeval.cpp:107: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result expeval.cpp:109: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result