Compilare: user.cpp: In function ‘int main()’: user.cpp:17:20: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%d\n",&t); ^ user.cpp:72:9: warning: ‘l’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(l>=n) ^ /tmp/ccLLnrqg.o: In function `main': user.cpp:(.text.startup+0xb4): warning: the `gets' function is dangerous and should not be used.