Submission #9837

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
9837	2014-10-01 13:57:04	effserv	Uniting (kriii2_U)	C++98	Compilation error	0 ms	0 KiB

U

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#include <cstdio>
using namespace std;
typedef long long ll;
int main()
{
  int N;
  scanf_s("%d", &N);
  ll a;
  scanf_s("%lld", &a);
  ll A = (ll)a;
  ll C = 0;
  for (int i = 0; i < N - 1; i++)
  {
    scanf_s("%lld", &a);
    C += A*a;
    A += a;
  }
  printf("%lld\n0", C);
  return 0;
}
 
 
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Compilation message (stderr)

U.cpp: In function 'int main()':
U.cpp:10:18: error: 'scanf_s' was not declared in this scope