Compilare: user.cpp: In function ‘void solve()’: user.cpp:52:9: warning: unused variable ‘iAux’ [-Wunused-variable] int iAux = 4, jAux = 4; ^ user.cpp:52:19: warning: unused variable ‘jAux’ [-Wunused-variable] int iAux = 4, jAux = 4; ^ user.cpp: In function ‘int main()’: user.cpp:97:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("acoperire.in", "r", stdin); ^ user.cpp:98:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("acoperire.out", "w", stdout); ^ user.cpp:99:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^