Compilare: user.cpp: In function ‘void flux(int, int)’: user.cpp:59:19: warning: unused variable ‘i’ [-Wunused-variable] int p, poz, mn, i; ^ user.cpp: In function ‘int main()’: user.cpp:86:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &m); ^ user.cpp:89:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x, &y); ^