Compilare: main.c: In function 'main': main.c:32:29: warning: format '%lld' expects argument of type 'long long int', but argument 5 has type 'int' [-Wformat=] fprintf(fout, "%d %d %lld", stmax, drmax, smax); ^ main.c:7:62: warning: unused variable 'drc' [-Wunused-variable] int n, k, i, l, x, sc, sf, inc, lmax, stc, stmax, drmax, drc, smax; ^~~ main.c:7:37: warning: unused variable 'lmax' [-Wunused-variable] int n, k, i, l, x, sc, sf, inc, lmax, stc, stmax, drmax, drc, smax; ^~~~ main.c:7:32: warning: unused variable 'inc' [-Wunused-variable] int n, k, i, l, x, sc, sf, inc, lmax, stc, stmax, drmax, drc, smax; ^~~ main.c:7:28: warning: unused variable 'sf' [-Wunused-variable] int n, k, i, l, x, sc, sf, inc, lmax, stc, stmax, drmax, drc, smax; ^~ main.c:7:18: warning: variable 'l' set but not used [-Wunused-but-set-variable] int n, k, i, l, x, sc, sf, inc, lmax, stc, stmax, drmax, drc, smax; ^ main.c:7:15: warning: unused variable 'i' [-Wunused-variable] int n, k, i, l, x, sc, sf, inc, lmax, stc, stmax, drmax, drc, smax; ^ main.c:11:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:17:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^~~~~~~~~~~~~~~~~~~~~