Compilare: user.cpp: In function ‘int main()’: user.cpp:10:23: warning: integer overflow in expression [-Woverflow] #define INF (1ll<<63)-1 ^ user.cpp:20:24: note: in expansion of macro ‘INF’ long long minRes = INF; ^ user.cpp:10:23: warning: integer overflow in expression [-Woverflow] #define INF (1ll<<63)-1 ^ user.cpp:26:33: note: in expansion of macro ‘INF’ D_PREV[i] = D_CURR[i] = INF; ^ user.cpp:23:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &N); ^ user.cpp:24:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &A, &B); ^ user.cpp:33:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &A, &B); ^