Compilare: user.cpp: In function ‘void stinge(int)’: user.cpp:39: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void aprinde(int)’: user.cpp:59: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void rezolva()’: user.cpp:73: warning: comparison between signed and unsigned integer expressions user.cpp:91: warning: format ‘%d’ expects type ‘int’, but argument 2 has type ‘long int’ user.cpp: In function ‘int main()’: user.cpp:99: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result