Compilare: main.c: In function 'main': main.c:11:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^~~~~~~~~~~~~~~~~~~ main.c:48:9: warning: array subscript is below array bounds [-Warray-bounds] fprintf(fout," pop(2) write(%d)\n",s2[i2]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~