Compilare: user.cpp: In function ‘int main()’: user.cpp:47: warning: format ‘%c’ expects type ‘char*’, but argument 4 has type ‘char (*)[101]’ user.cpp:88: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:94: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:100: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:106: warning: suggest parentheses around ‘&&’ within ‘||’ user.cpp:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result