Compilare: main.c: In function 'main': main.c:22:19: warning: left-hand operand of comma expression has no effect [-Wunused-value] 22 | fin=("fact.in","r"); | ^ main.c:22:8: warning: assignment to 'FILE *' from incompatible pointer type 'char *' [-Wincompatible-pointer-types] 22 | fin=("fact.in","r"); | ^ main.c:23:21: warning: left-hand operand of comma expression has no effect [-Wunused-value] 23 | fout=("fact.out","w"); | ^ main.c:23:9: warning: assignment to 'FILE *' from incompatible pointer type 'char *' [-Wincompatible-pointer-types] 23 | fout=("fact.out","w"); | ^ main.c:26:18: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long long int *' [-Wformat=] 26 | fscanf(fin,"%d",&p); | ~^ ~~ | | | | | long long int * | int * | %lld main.c:45:28: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] 45 | fprintf(fout,"%d",x); | ~^ ~ | | | | | long long int | int | %lld