#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <string>
#include <vector>
#include <sstream>
#include <iostream>
#include <algorithm>
using namespace std;
const long long divv = 1000000007;
int main(void){
int d;
scanf("%d",&d);
long long sum = 0;
int prev;
for(int i = 1 ;i <= d;i++)
{
int k;
scanf("%d", &k);
sum = 0;
for(int j = 1 ;j < i;j++)
{
if( j == 1 )sum =1;
else
sum = (sum %divv + (j * (j-1)) %divv) %divv;
}
printf("%lld\n",(sum % divv + (sum * (prev-1)) % divv + k % divv)%divv);
prev = k;
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
1672 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |