Compilare: user.cpp: In function ‘void ecuatie(char*, int&, int&)’: user.cpp:26: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:8: warning: unused variable ‘j’ user.cpp: In function ‘int main()’: user.cpp:47: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:53: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result /tmp/cc2f3xoJ.o: In function `main': user.cpp:(.text+0x18b): warning: the `gets' function is dangerous and should not be used.