xorsum.cpp:3:0: warning: ignoring #pragma warning [-Wunknown-pragmas]
#pragma warning (disable: 4996)
xorsum.cpp: In function 'int main()':
xorsum.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &N);
~~~~~^~~~~~~~~~~~
xorsum.cpp:9:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (int i = 1; i <= N; i++) scanf("%lld", &A[i]);
~~~~~^~~~~~~~~~~~~~~