Compilare: user.cpp: In function ‘int main()’: user.cpp:14:25: warning: variable ‘cc’ set but not used [-Wunused-but-set-variable] int n, m, c, i, vf, cc; ^ user.cpp:16:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^