试图了解我的代码中的问题

•从用户接收3个整数：size1，size2，size3。

•创建一个size1 * size2矩阵和一个size2 * size3矩阵。

•将2个矩阵相乘。

•打印结果矩阵。

•释放所有动态内存。

``````#define _CRT_SECURE_NO_WARNINGS
#include <stdlib.h>

void BuildMatrix(int***, int, int);
void FreeMatrix(int***, int);
void PrintMatrix(int**, int, int);
int** MultiplyMatrixes(int**, int**, int, int, int);

int main() {
int** matrix1 = NULL, ** matrix2 = NULL, ** matrix3 = NULL;
int* newCol = NULL;
int size1, size2, size3, newRow;

printf("-How many rows in the first matrix?: ");
scanf("%d", &size1);
printf("-How many columns in the first matrix and second?[size2, size3]: ");
scanf("%d %d", &size2, &size3);  /*size2 = rows of matrix2.*/

/*Build both matrices*/
printf("-First matrix input.\n");
BuildMatrix(&matrix1, size1, size2);
PrintMatrix(matrix1, size1, size2);
printf("-Second matrix input.\n");
BuildMatrix(&matrix2, size2, size3);
PrintMatrix(matrix2, size2, size3);

/*Combine the 2 matrices to a new matrix*/
matrix3 = MultiplyMatrixes(matrix1, matrix2, size1, size2, size3);
FreeMatrix(&matrix2, size2); //Free the second matrix

printf("\n-Multiplied matrix: \n");
PrintMatrix(matrix3, size1, size3);

FreeMatrix(&matrix3, size1);
FreeMatrix(&matrix1, size1);
}

void BuildMatrix(int*** pMat, int row, int col)
{
int i, j;
(*pMat) = (int**)malloc(row * sizeof(int*));
if (*pMat == NULL)
{
free(pMat);
printf("*Not enough RAM.\nTerminating.\n");
exit(1);
}

for (i = 0; i < row; i++)
{
(*pMat)[i] = malloc(col * sizeof(int));
if ((*pMat)[i] == NULL) {
printf("*Not enough RAM.\nTerminating.\n");
FreeMatrix(pMat, row);
exit(1);
}
for (j = 0; j < col; j++) {
printf("-Enter %d element in %d row: ", j + 1, i + 1);
scanf("%d", &(*pMat)[i][j]);
}
printf("\n");
}
//FreeMatrix(pMat, row);
}

void PrintMatrix(int** pMat, int row, int col)
{
for (int i = 0; i < row; ++i)
{
for (int j = 0; j < col; ++j)
{
printf("%d ", pMat[i][j]);
}
printf("\n");
}
}

int** MultiplyMatrixes(int** a, int** b, int size1, int size2, int size3)
{
int i, j, k, ** c = NULL;
c = malloc(size1 * sizeof(int*));
if (c == NULL)
{
free(*c);
printf("*Not enough RAM.\nTerminating.\n");
exit(1);
}

for (i = 0; i < size1; i++) {
c[i] = malloc(size3 * sizeof(int));
if (c[i] == NULL)
{
printf("*Not enough RAM.\nTerminating.\n");
FreeMatrix(&c, size1);
exit(1);
}

for (j = 0; j < size3; j++)
{
c[i][j] = 0;
for (k = 0; k < size2; k++)
{
c[i][j] += (a[i][k] * b[k][j]);
}
}
}
}
``````

The error list: enter image description here