furnici1.cpp: In function 'int main()': furnici1.cpp:12: warning: format '%c' expects type 'char*', but argument 3 has type 'int*' furnici1.cpp:5: warning: unused variable 'c' furnici1.cpp:6: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result furnici1.cpp:7: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result furnici1.cpp:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result furnici1.cpp:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result