Compilare: main.cpp: In function 'void filll(int, int)': main.cpp:16:43: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses] if(a[i][j]==6 || a[i][j]==7 || a[i][j]==14 | a[i][j]==15) ~~~~~~~^~~~ main.cpp: In function 'int main()': main.cpp:34:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("castel3.in", "r", stdin); ^ main.cpp:35:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("castel3.out", "w", stdout); ^ main.cpp:36:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &cer, &n); ^ main.cpp:44:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i][j]); ^ main.cpp:55:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i][j]); ^