Compilare: main.c: In function 'main': main.c:87:7: warning: 'col' may be used uninitialized [-Wmaybe-uninitialized] 87 | fprintf( fout, "%d %d\n", lin, col ); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:26:30: note: 'col' was declared here 26 | int cer, m, n, max, lin, col, i, j, k, x; | ^~~ main.c:87:7: warning: 'lin' may be used uninitialized [-Wmaybe-uninitialized] 87 | fprintf( fout, "%d %d\n", lin, col ); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:26:25: note: 'lin' was declared here 26 | int cer, m, n, max, lin, col, i, j, k, x; | ^~~