Compilare: user.cpp: In function ‘int main()’: user.cpp:82:23: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(G,"%d",sol); ^ user.cpp:70:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d %d\n", &n, &m, &inc, &sf); ^ user.cpp:72:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d %d %d %d\n", &x, &y, &z, &t); ^