Submission #5922

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
5922	2014-05-23 10:21:31	baneling100	지우개 (GA4_eraser)	C++98	22 / 100	16 ms	3432 KiB

eraser

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#include <stdio.h>
#define MOD 1000000007
long long N, A[100001], M, B[100001], C[100001], Ans;
void input(void)
{
    long long i, temp;
    scanf("%lld",&N);
    for(i=1 ; i<=N ; i++)
    {
        scanf("%lld",&temp);
        C[i]=temp;
        B[temp]=1;
        A[temp]+=temp;
        if(M<temp)
            M=temp;
    }
    for(i=M-1 ; i>=1 ; i--)
        A[i]+=A[i+1];
    for(i=1 ; i<=M ; i++)
        if(B[i])
            B[i]=i*A[i+1];
    for(i=M-1 ; i>=1 ; i--)
    {
        B[i]+=B[i+1];
        B[i]%=MOD;
    }
}
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 0 / 7
• Subtask 3: 16 / 16
• Subtask 4: 0 / 17
• Subtask 5: 0 / 26
• Subtask 6: 0 / 28