Compilare: main.c: In function 'main': main.c:45:3: warning: 'sf' may be used uninitialized [-Wmaybe-uninitialized] 45 | fprintf(fout, "%d %d %d\n", in + 1, sf + 1, max); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:12:23: note: 'sf' was declared here 12 | int n, k, i, j, in, sf, max, min; | ^~ main.c:45:3: warning: 'in' may be used uninitialized [-Wmaybe-uninitialized] 45 | fprintf(fout, "%d %d %d\n", in + 1, sf + 1, max); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:12:19: note: 'in' was declared here 12 | int n, k, i, j, in, sf, max, min; | ^~