joc12.cpp: In function 'int main()': joc12.cpp:26: warning: suggest explicit braces to avoid ambiguous 'else' joc12.cpp:7: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result joc12.cpp:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result joc12.cpp:10: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result joc12.cpp:11: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result joc12.cpp:12: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result /tmp/ccXb8Ah9.o: In function `main': joc12.cpp:(.text+0x8b): warning: the `gets' function is dangerous and should not be used.