f와 g

시간 제한3초메모리 제한512 MB

요약
N개의 정수와 T, K가 주어질 때 g(T,k)=합_{x=0}^{T} 합_i (x+a_i)^k 를 0부터 K까지 모든 k에 대해 10^9+7로 나눈 나머지로 구합니다.
난이도

어려움10점 중 10점

유형
수학, 조합론, 분할 정복, 정수론
정답자
아직 제출이 없습니다

문제

\uC815\uC218 NN\uAC1C a1,a2,…,aNa_1, a_2, \dots, a_N\uC774 \uC8FC\uC5B4\uC9C4\uB2E4. \uD568\uC218 ff\uC640 gg\uB97C \uB2E4\uC74C\uACFC \uAC19\uC774 \uC815\uC758\uD55C\uB2E4.

[f(x,k) = (x + a_1)^k + (x + a_2)^k + \cdots + (x + a_N)^k]

[g(t,k) = f(0,k) + f(1,k) + \cdots + f(t,k)]

\uC815\uC218 TT, KK\uC640 \uC218\uC5F4 a1,a2,…,aNa_1, a_2, \dots, a_N\uC774 \uC8FC\uC5B4\uC9C8 \uB54C, \uBAA8\uB4E0 \uC815\uC218 ii\uC5D0 \uB300\uD574 g(T,i)g(T,i)\uB97C 109+710^9+7\uB85C \uB098\uB208 \uB098\uBA38\uC9C0\uB97C \uAD6C\uD558\uB77C. \uC5EC\uAE30\uC11C 0≤i≤K0 \le i \le K\uC774\uB2E4.

입력

\uCCAB\uC9F8 \uC904\uC5D0 \uC815\uC218 NN, KK, TT\uAC00 \uC8FC\uC5B4\uC9C4\uB2E4.

\uB458\uC9F8 \uC904\uC5D0 \uC815\uC218 a1,a2,…,aNa_1, a_2, \dots, a_N\uC774 \uC8FC\uC5B4\uC9C4\uB2E4.

출력

g(T,0),g(T,1),…,g(T,K)g(T,0), g(T,1), \dots, g(T,K)\uB97C 109+710^9+7\uB85C \uB098\uB208 \uB098\uBA38\uC9C0\uB97C \uACF5\uBC31 \uD55C \uCE78\uC73C\uB85C \uAD6C\uBD84\uD574 \uCD9C\uB825\uD55C\uB2E4.

제한

  • 1≤N≤1051 \le N \le 10^5
  • 1≤K≤5⋅1041 \le K \le 5 \cdot 10^4
  • 1≤T≤10181 \le T \le 10^{18}
  • 0≤ai<109+70 \le a_i < 10^9 + 7

예제1

  1. 예제 1

    입력
    2 3 4
    0 1
    
    예상 출력
    10 25 85 325