Compilare: main.cpp: In function 'int main()': main.cpp:75:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(a[x+dirLin[i]][y+dirCol[i]] == '0') ^ main.cpp:23:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d\n", &n,&m); ^ main.cpp:25:32: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(a[i]+1, m+2, fin); ^