提交记录 20096 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
TSKY	mmmd1k. 测测你的双精度矩阵乘法-1k	Compile Error	0	0 ns	0 KB	C++14	686 B

提交时间	评测时间
2023-09-04 20:35:47	2023-09-04 20:35:48

代码

#define idx(i, j) ((i) * n + (j))
template<size_t L,size_t M,size_t N>
struct MatMulKernel
{
    enum
        {
        row1=L,
        col1=M,
        row2=M,
        col2=N
    };
    template<typename Ty>
    static void matmul(const Ty *A,const Ty *B,Ty *C)
    {
        for(size_t i=0;i<row1;i++)
        {
            for(size_t j=0;j<col1;j++)
            {
                Ty A_ij=A[i*col1+j];
                for(size_t k=0;k<col2;k++)
                {
                    C[i*col2+k]+=B[j*col2+k]*A_ij;
                }
            }
        }
    }
};
void matrix_multiply(int n, const double *A, const double *B, double *C) {
	MatMulKetnel<1024,1024,1024>::mul(A,B,C);
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:2:10: error: ‘size_t’ has not been declared
    2 | template<size_t L,size_t M,size_t N>
      |          ^~~~~~
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:2:19: error: ‘size_t’ has not been declared
    2 | template<size_t L,size_t M,size_t N>
      |                   ^~~~~~
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:2:28: error: ‘size_t’ has not been declared
    2 | template<size_t L,size_t M,size_t N>
      |                            ^~~~~~
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:7:14: error: ‘L’ was not declared in this scope
    7 |         row1=L,
      |              ^
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:8:14: error: ‘M’ was not declared in this scope
    8 |         col1=M,
      |              ^
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:9:14: error: ‘M’ was not declared in this scope
    9 |         row2=M,
      |              ^
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:10:14: error: ‘N’ was not declared in this scope
   10 |         col2=N
      |              ^
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp: In function ‘void matrix_multiply(int, const double*, const double*, double*)’:
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:29:2: error: ‘MatMulKetnel’ was not declared in this scope; did you mean ‘MatMulKernel’?
   29 |  MatMulKetnel<1024,1024,1024>::mul(A,B,C);
      |  ^~~~~~~~~~~~
      |  MatMulKernel
jp_data/tasks/92f2ebb64b1f11ee953b9d510784bac5/contestant.cpp:29:32: error: ‘::mul’ has not been declared
   29 |  MatMulKetnel<1024,1024,1024>::mul(A,B,C);
      |                                ^~~