Compilare: user.cpp: In function ‘int dynamic(int, int)’: user.cpp:99:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘void afisare_r(int, int, int)’: user.cpp:121:17: warning: unused variable ‘ok’ [-Wunused-variable] int ii,jj,k,ok; ^ user.cpp: In function ‘void read()’: user.cpp:64:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alpin.in","r",stdin); ^ user.cpp:65:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:69:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^ user.cpp: In function ‘int main()’: user.cpp:112:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alpin.out","w",stdout); ^