답안 #2534

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
2534 2013-07-23T06:46:55 Z kipa00 지우개 (GA4_eraser) C++
46 / 100
1000 ms 2448 KB
#include <cstdio>
using namespace std;

const int divider = 1000000007;

int N;
long long int a[100001];
long long int b[100001];

int main() {
    int i, j, max = -1;
    int sum = 0;
    long long int s;
    scanf("%d", &N);
    for (i=0; i<N; ++i) {
        int tmp;
        scanf("%d", &tmp);
        ++a[tmp];
        if (max < tmp) {
            max = tmp;
        }
    }
    for (i=1; i<=max; ++i) {
        b[i] = b[i-1] + (a[i] * i);
        b[i] %= divider;
    }
    for (i=1; i<=max; ++i) {
        for (j=i+1; j<=max; ++j) {
            s = a[i] * a[j] * i * j * (b[max] - b[j]);
            sum += s % divider;
            sum %= divider;
        }
    }
    printf("%d\n", sum);
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2448 KB Output is correct
2 Correct 0 ms 2448 KB Output is correct
3 Correct 0 ms 2448 KB Output is correct
4 Correct 0 ms 2448 KB Output is correct
5 Correct 0 ms 2448 KB Output is correct
6 Correct 0 ms 2448 KB Output is correct
7 Correct 0 ms 2448 KB Output is correct
8 Correct 0 ms 2448 KB Output is correct
9 Correct 0 ms 2448 KB Output is correct
10 Correct 0 ms 2448 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2448 KB Output is correct
2 Correct 0 ms 2448 KB Output is correct
3 Correct 0 ms 2448 KB Output is correct
4 Correct 0 ms 2448 KB Output is correct
5 Correct 0 ms 2448 KB Output is correct
6 Correct 0 ms 2448 KB Output is correct
7 Correct 0 ms 2448 KB Output is correct
8 Correct 0 ms 2448 KB Output is correct
9 Correct 0 ms 2448 KB Output is correct
10 Correct 0 ms 2448 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2448 KB Output is correct
2 Correct 2 ms 2448 KB Output is correct
3 Correct 3 ms 2448 KB Output is correct
4 Correct 3 ms 2448 KB Output is correct
5 Correct 3 ms 2448 KB Output is correct
6 Correct 3 ms 2448 KB Output is correct
7 Correct 3 ms 2448 KB Output is correct
8 Correct 3 ms 2448 KB Output is correct
9 Correct 3 ms 2448 KB Output is correct
10 Correct 3 ms 2448 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2448 KB Output is correct
2 Correct 3 ms 2448 KB Output is correct
3 Correct 3 ms 2448 KB Output is correct
4 Correct 3 ms 2448 KB Output is correct
5 Correct 3 ms 2448 KB Output is correct
6 Correct 2 ms 2448 KB Output is correct
7 Correct 3 ms 2448 KB Output is correct
8 Correct 3 ms 2448 KB Output is correct
9 Correct 2 ms 2448 KB Output is correct
10 Correct 3 ms 2448 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1000 ms 0 KB Program timed out
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1000 ms 0 KB Program timed out
2 Halted 0 ms 0 KB -