Compilare: user.cpp: In function ‘int main()’: user.cpp:73:100: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(out,"%d\n",((long long)pst[0][0]*z+(long long)pst[0][1]*y+(long long)pst[0][2]*x)%R); ^ user.cpp:37:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&t); ^ user.cpp:41:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d%d%d%d%d",&x,&y,&z,&a,&b,&c,&n); ^