Submission #2582

#	Time	Username	Problem	Language	Result	Execution time	Memory
2582		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