Compilare: main.c: In function 'recursiv': main.c:33:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.c: In function 'main': main.c:39:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:43:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%c", &v[0][i]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:48:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%c", &v[1][i]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~