Compilare: user.cpp: In function ‘bool belfor()’: user.cpp:24:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses] viz[1] = hm[1] = 1; ^ user.cpp: In function ‘int main()’: user.cpp:52:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:55:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &x, &y, &c); ^