Compilare: main.cpp: In function 'void filll(int, int)': main.cpp:35:45: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses] if(mat[i][j]==6 || mat[i][j]==7 || mat[i][j]==14 | mat[i][j]==15) ~~~~~~~~~^~~~ main.cpp: In function 'int c2()': main.cpp:81:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'void citire()': main.cpp:15:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&mat[i][j]); ^ main.cpp: In function 'int main()': main.cpp:83:36: 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:84:38: 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:85:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&c,&n); ^