Compilare: user.cpp: In function ‘int main()’: user.cpp:40:28: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fdout, "%d\n", sol); ^ user.cpp:17:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fdin, "%d%d%d", &n, &l, &m); ^ user.cpp:18:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fdin, "%d%d%d%d%d", &s, &x, &y, &z, &v); ^