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Submission #2289

# Submission time Handle Problem Language Result Execution time Memory
2289 2013-07-21T01:22:33 Z zyslee 지우개 (GA4_eraser) C++
46 / 100
 1000 ms 1668 KB 
#include<stdio.h>
int d[100001], f[100002];
int main()
{
	int n, i, j, k, a, max=0;
	long long int z, ans=0;
	scanf("%d", &n);
	for(i=1;i<=n;i++){
		scanf("%d", &a);
		d[a]+=a;
		if(max<a) max = a;
	}
	for(i=max;i>=1;i--) f[i] = f[i+1]+d[i];
	for(i=1;i<=max-2;i++){
		if(d[i]==0) continue;
		for(j=i+1;j<max;j++){
			if(d[j]==0) continue;
			z = (f[j+1]*d[j])%1000000007;
			z = (z*d[i])%1000000007;
			ans = (ans+z)%1000000007;
		}
	}
	printf("%lld", ans);
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1668 KB Output is correct
2 Correct 0 ms 1668 KB Output is correct
3 Correct 0 ms 1668 KB Output is correct
4 Correct 0 ms 1668 KB Output is correct
5 Correct 0 ms 1668 KB Output is correct
6 Correct 0 ms 1668 KB Output is correct
7 Correct 0 ms 1668 KB Output is correct
8 Correct 0 ms 1668 KB Output is correct
9 Correct 0 ms 1668 KB Output is correct
10 Correct 0 ms 1668 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1668 KB Output is correct
2 Correct 0 ms 1668 KB Output is correct
3 Correct 0 ms 1668 KB Output is correct
4 Correct 0 ms 1668 KB Output is correct
5 Correct 0 ms 1668 KB Output is correct
6 Correct 0 ms 1668 KB Output is correct
7 Correct 0 ms 1668 KB Output is correct
8 Correct 0 ms 1668 KB Output is correct
9 Correct 0 ms 1668 KB Output is correct
10 Correct 0 ms 1668 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1668 KB Output is correct
2 Correct 0 ms 1668 KB Output is correct
3 Correct 3 ms 1668 KB Output is correct
4 Correct 2 ms 1668 KB Output is correct
5 Correct 2 ms 1668 KB Output is correct
6 Correct 1 ms 1668 KB Output is correct
7 Correct 2 ms 1668 KB Output is correct
8 Correct 0 ms 1668 KB Output is correct
9 Correct 0 ms 1668 KB Output is correct
10 Correct 3 ms 1668 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1668 KB Output is correct
2 Correct 0 ms 1668 KB Output is correct
3 Correct 0 ms 1668 KB Output is correct
4 Correct 0 ms 1668 KB Output is correct
5 Correct 2 ms 1668 KB Output is correct
6 Correct 1 ms 1668 KB Output is correct
7 Correct 0 ms 1668 KB Output is correct
8 Correct 0 ms 1668 KB Output is correct
9 Correct 0 ms 1668 KB Output is correct
10 Correct 0 ms 1668 KB Output is correct

Subtask #5
0.0 / 26.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1000 ms 0 KB Program timed out
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 28.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1000 ms 0 KB Program timed out
2 Halted 0 ms 0 KB -