oj.uz

답안 #9346

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
9346 2014-09-28T05:46:37 Z yukariko Uniting (kriii2_U) C
0 / 4
 0 ms 1356 KB 
#include <stdio.h>
//#include <windows.h>

int main()
{
	int N;
	int s[100001];
	long long cnt;
	long long sum;
	int i;
	
	cnt = 1;
	sum = 0;
	
	scanf("%d",&N);
	
	for(i=0;i<N;i++) scanf("%d",s+i);
	
	for(i=0;i<N-1;i++)
	{
		sum += s[i]*s[i+1];
		s[i+1] += s[i];
	}
	for(i=N;i>=2;i--)
	{
		cnt *= i*(i-1);
	}
	cnt = cnt&1000000007;
	printf("%d\n",sum);
	printf("%d",cnt);
	//system("pause");
	return 0;
}

Subtask #1
0.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 0 ms 1352 KB Output is partially correct
2 Partially correct 0 ms 1352 KB Output is partially correct
3 Partially correct 0 ms 1352 KB Output is partially correct
4 Partially correct 0 ms 1356 KB Output is partially correct
5 Partially correct 0 ms 1356 KB Output is partially correct
6 Incorrect 0 ms 1352 KB Output isn't correct
7 Halted 0 ms 0 KB -