답안 #2388

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
2388	2013-07-21T05:02:33 Z	crazysoldier	지우개 (GA4_eraser)	C++	46 / 100	12 ms	2940 KB

eraser

#include <iostream>
#include <stdio.h>

using namespace std;
long long a[100009],b[100009];
int main()
{
    long long n,input,MaX,i,SizE=0;
    long long Sum=0,Mid=0,MiD=0;
    scanf("%lld",&n);
    scanf("%lld",&input); MaX=input; a[input]++;
    for(i=2;i<=n;i++)
    {
        scanf("%d",&input);
        a[input]++;
        if(MaX<input) MaX = input;
    }
    for(i=1;i<=MaX;i++)if(i*a[i])
    {
        SizE++;
        b[SizE]=i*a[i];
    }
    for(i=1;i<=SizE;i++) Mid += b[i];
    Sum += Mid*Mid*Mid;
    for(i=1;i<=SizE;i++) Sum += 2*b[i]*b[i]*b[i];
    Mid = 0;
    for(i=1;i<=SizE;i++){Mid+=b[i]*b[i]; MiD+=b[i];}
    Sum -= 3*Mid*MiD;
    printf("%lld",(Sum/6)%1000000007);
    return 0;
}

Subtask #1

6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2940 KB	Output is correct
2	Correct	0 ms	2940 KB	Output is correct
3	Correct	0 ms	2940 KB	Output is correct
4	Correct	0 ms	2940 KB	Output is correct
5	Correct	0 ms	2940 KB	Output is correct
6	Correct	0 ms	2940 KB	Output is correct
7	Correct	0 ms	2940 KB	Output is correct
8	Correct	0 ms	2940 KB	Output is correct
9	Correct	0 ms	2940 KB	Output is correct
10	Correct	0 ms	2940 KB	Output is correct

Subtask #2

7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2940 KB	Output is correct
2	Correct	0 ms	2940 KB	Output is correct
3	Correct	0 ms	2940 KB	Output is correct
4	Correct	0 ms	2940 KB	Output is correct
5	Correct	0 ms	2940 KB	Output is correct
6	Correct	0 ms	2940 KB	Output is correct
7	Correct	0 ms	2940 KB	Output is correct
8	Correct	0 ms	2940 KB	Output is correct
9	Correct	0 ms	2940 KB	Output is correct
10	Correct	0 ms	2940 KB	Output is correct

Subtask #3

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2940 KB	Output is correct
2	Correct	0 ms	2940 KB	Output is correct
3	Correct	0 ms	2940 KB	Output is correct
4	Correct	0 ms	2940 KB	Output is correct
5	Correct	0 ms	2940 KB	Output is correct
6	Correct	0 ms	2940 KB	Output is correct
7	Correct	0 ms	2940 KB	Output is correct
8	Correct	0 ms	2940 KB	Output is correct
9	Correct	0 ms	2940 KB	Output is correct
10	Correct	0 ms	2940 KB	Output is correct

Subtask #4

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2940 KB	Output is correct
2	Correct	0 ms	2940 KB	Output is correct
3	Correct	0 ms	2940 KB	Output is correct
4	Correct	0 ms	2940 KB	Output is correct
5	Correct	0 ms	2940 KB	Output is correct
6	Correct	0 ms	2940 KB	Output is correct
7	Correct	0 ms	2940 KB	Output is correct
8	Correct	0 ms	2940 KB	Output is correct
9	Correct	0 ms	2940 KB	Output is correct
10	Correct	0 ms	2940 KB	Output is correct

Subtask #5

0.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	10 ms	2940 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6

0.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	12 ms	2940 KB	Output isn't correct
2	Halted	0 ms	0 KB	-