oj.uz

Submission #7104

# Submission time Handle Problem Language Result Execution time Memory
7104 2014-07-25T11:12:06 Z baneling100 지우개 (GA4_eraser) C++
0 / 100
 12 ms 3040 KB 
#include <stdio.h>

int N, M, A[100001];
long long B[100001], C[100001], Ans;

void input(void)
{
    int i, temp;

    scanf("%d",&N);
    for(i=1 ; i<=N ; i++)
    {
        scanf("%d",&temp);
        A[temp]++;
        if(M<temp)
            M=temp;
    }
}

void process(void)
{
    int i;
    long long sum=0;

    for(i=M ; i>=2 ; i--)
    {
        sum+=(long long)A[i]*i;
        B[i-1]=sum*A[i-1]*(i-1);
    }
    sum=0;
    for(i=M-1 ; i>=2 ; i--)
    {
        sum+=B[i];
        C[i-1]=sum*A[i-1]*(i-1);
    }
    for(i=1 ; i<=M-2 ; i++)
        Ans+=C[i];
}

void output(void)
{
    printf("%lld",Ans);
}

int main(void)
{
    input();
    process();
    output();

    return 0;
}

Subtask #1
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3040 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3040 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3040 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3040 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 3040 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 3040 KB Output isn't correct
2 Halted 0 ms 0 KB -