Compilare: user.cpp: In function ‘int main()’: user.cpp:94:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(P); gets(T); ^ user.cpp:94:21: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(P); gets(T); ^ /tmp/ccFKKOyo.o: In function `main': user.cpp:(.text.startup+0x27): warning: the `gets' function is dangerous and should not be used.