Compilare: user.cpp:1:0: warning: ignoring #pragma comment [-Wunknown-pragmas] #pragma comment(linker, "/stack:200000000") ^ user.cpp: In function ‘int32_t main()’: user.cpp:38:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<a.lg;i++){ ^ user.cpp:41:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(r<a.lg && a[r]==a[r-i]) r++; ^ user.cpp:51:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(r<a.lg && a[r]==a[r-i]) r++; ^ user.cpp:58:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<a.lg;i++){ ^