SDUT2608(Alice and Bob)
題目描述
? ? Alice and Bob like playing games very much.Today, they introduce a new game.
? ? There is a?polynomial like this:?(a0*x^(2^0)+1) * (a1?* x^(2^1)+1)*.......*(an-1?* x^(2^(n-1))+1). Then Alice ask Bob Q questions. In the?expansion of the Polynomial, Given an integer P, please tell the coefficient of the x^P.
Can you help Bob answer these questions?
輸入
The first line of the input is a number T, which means the number of the test cases.For each case, the first line contains a number n, then n numbers a0, a1, .... an-1?followed in the next line. In the third line is a number Q, and then following Q numbers P.
1 <= T <= 20
1 <= n <= 50
0 <= ai?<= 100
Q <= 1000
0 <= P <= 1234567898765432
輸出
For each question of each test case, please output the answer module 2012.示例輸入
1 2 2 1 2 3 4示例輸出
2 0提示
The expansion of the (2*x^(2^0) + 1) * (1*x^(2^1) + 1) is 1 + 2*x^1 + 1*x^2 + 2*x^3來源
2013年山東省第四屆ACM大學生程序設計競賽 #include<stdio.h>#include<string.h> int main() {long long p,tem,tt;int n,q,t,i,k,a[55],sum;scanf("%d",&t);while(t--){scanf("%d",&n);memset(a,0,sizeof(a));for(i=0;i<n;i++)scanf("%d",&a[i]);scanf("%d",&q);while(q--){scanf("%lld",&p);sum=1;while(p>0){k=0;tem=p;tt=1;while(tem){if(tem>1)tt*=2;k++;tem/=2;}sum=(sum*a[k-1])%2012;p-=tt;}printf("%d\n",sum%2012);}} }?
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