Submission #2596

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
2596	2013-07-27 13:44:38	pull601	지우개 (GA4_eraser)	C++98	29 / 100	1000 ms	1476 KiB

eraser

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
#include<stdio.h>
int d[100001];
int main()
{
  long long num=0;
  int n,m,i,j,k,max=0;
  scanf("%d",&n);
  for(i=1;i<=n;i++){
    scanf("%d",&m); if(max<m) max=m;
    d[m]+=1;
  }
  for(i=1;i<=max;i++){
    if(d[i]==0) continue;
    for(j=i+1;j<=max;j++){
      if(d[j]==0) continue;
      for(k=j+1;k<=max;k++){
        if(d[k]==0) continue;
        num=num+i*j*k*d[i]*d[j]*d[k];
      }
    }
  }
  printf("%lld",num%1000000007);
  return 0;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 16 / 16
• Subtask 4: 0 / 17
• Subtask 5: 0 / 26
• Subtask 6: 0 / 28