Compilare: user.cpp: In function ‘int main()’: user.cpp:6:21: warning: integer overflow in expression [-Woverflow] #define INF (1LL<<63); ^ user.cpp:34:41: note: in expansion of macro ‘INF’ int val = N - j + i - 1; D[i][j] = -INF; ^ user.cpp:6:21: warning: integer overflow in expression [-Woverflow] #define INF (1LL<<63); ^ user.cpp:49:22: note: in expansion of macro ‘INF’ long long maxim = -INF; ^ user.cpp:14:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cai.in" ,"r", stdin ); ^ user.cpp:15:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cai.out","w", stdout); ^ user.cpp:17:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:19:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:22:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &A[i]); ^ user.cpp:24:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &B[i]); ^