Compilare: user.cpp: In function ‘int main()’: user.cpp:145:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < n; i++) ^ user.cpp:157:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (DP[i] > maxLength) ^ user.cpp:141:33: warning: variable ‘bestEnd’ set but not used [-Wunused-but-set-variable] int maxLength = 1, bestEnd = 0; ^ user.cpp:134:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d",&p,&n,&k); ^ user.cpp:139:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^ user.cpp:172:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^