Compilare: user.cpp: In function ‘int ter(int&)’: user.cpp:72:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:129:9: warning: unused variable ‘t’ [-Wunused-variable] int t; ^ user.cpp: In function ‘void sol()’: user.cpp:83:17: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(aa); pp = 0; ^ user.cpp: In function ‘int main()’: user.cpp:126:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("colonii.in", "r", stdin); ^ user.cpp:127:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("colonii.out", "w", stdout); ^ /tmp/ccX4oogW.o: In function `sol()': user.cpp:(.text+0x2d0): warning: the `gets' function is dangerous and should not be used.