Eroare de compilare: main.c: In function 'main': main.c:13:3: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'char' char ch; ^~~~ main.c:19:3: error: 'sol' undeclared (first use in this function) sol = 0; ^~~ main.c:19:3: note: each undeclared identifier is reported only once for each function it appears in main.c:16:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &b, &mod); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Non zero exit status: 1