Compilare: user.cpp: In function ‘int main()’: user.cpp:82:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mesaj2.in","r",stdin); ^ user.cpp:83:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mesaj2.out","w",stdout); ^ user.cpp:85:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n%d\n",bigString+1,&n); ^ user.cpp:90:28: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(smallString+1); ^ /tmp/ccbwFMq9.o: In function `main': user.cpp:(.text.startup+0xc0): warning: the `gets' function is dangerous and should not be used.