Compilare: user.cpp:12:15: warning: multi-character character constant [-Wmultichar] if(c=='NULL' || c=='\n') ^ user.cpp: In function ‘int main()’: user.cpp:9:32: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(fin,"%d%d\n", &B, &K); ^ user.cpp:9:32: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long long int*’ [-Wformat=]