Submission #2385

#	Time	Username	Problem	Language	Result	Execution time	Memory
2385		rbwhddl2000	생일수 I (GA4_birthday1)	C++98	0 / 100	0 ms	1276 KiB

birthday1

#include<stdio.h>
#include<stdlib.h>
int d[100001];
int compare(const void *a , const void *b){

        return ( *(int*)a - *(int*)b );

}



int main()
{
    int n, i, j, k;
    long long sum=0, t;
    scanf("%d", &n);
    for(i=1;i<=n;i++)scanf("%d", &d[i]);
    qsort(d, n+1, sizeof(int), compare);

    for(i=1;i<=n;i++)for(j=i+1;j<=n;j++)for(k=j+1;k<=n;k++){
        if(d[i] < d[j] && d[j] < d[k]){
            t=d[i]*d[j]*d[k];
            sum+=t;
            if(sum>1000000007)sum%=1000000007;
        }
    }printf("%lld", sum);
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 19
• Subtask 3: 0 / 26
• Subtask 4: 0 / 41