Submission #2581

#	Time	Username	Problem	Language	Result	Execution time	Memory
2581		pull601	지우개 (GA4_eraser)	C++98	0 / 100	0 ms	262144 KiB

eraser

#include <iostream>
#include<stdio.h>
using namespace std;
int d[100000001];
int kk[100000001];
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",&kk[i]);
        if(max<kk[i]) max=kk[i];
        d[kk[i]]=d[kk[i]]+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*k*j*d[i]*d[k]*d[j];
            }
        }
   }
	printf("%d",num&1000000007);
    return 0;
}

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