Compilare: user.cpp: In function ‘int main()’: user.cpp:217:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < n; i++) ^ user.cpp:227:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (DP[i] > maxLength) ^ user.cpp:214:33: warning: unused variable ‘bestEnd’ [-Wunused-variable] int maxLength = 1, bestEnd = 0; ^ user.cpp:207:35: 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:212:35: 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:241:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^