Compilare: user.cpp: In function ‘void RadixSort()’: user.cpp:39:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<X[k].size();j++) ^ user.cpp:50:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<X2[k].size();j++) ^ user.cpp:31:9: warning: unused variable ‘Shift’ [-Wunused-variable] int Shift; ^ user.cpp:32:15: warning: unused variable ‘mask’ [-Wunused-variable] const int mask = 255; ^ user.cpp: In function ‘int lcp(int, int)’: user.cpp:85:9: warning: unused variable ‘k’ [-Wunused-variable] int k,ret=0; ^ user.cpp: In function ‘void Read()’: user.cpp:17:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&N,&K); ^ user.cpp:19:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&ch); ^ user.cpp:20:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",Str+1); ^ user.cpp: In function ‘int main()’: user.cpp:141:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jocs.in","r",stdin); ^ user.cpp:142:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jocs.out","w",stdout); ^ user.cpp:143:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^