void matrixMultipy(int A[][MAX],int B[][MAX],int C[][MAX],int n,int m,int s);void main(){ int n,m,s,i,j,A[MAX][MAX]={0},B[MAX][MAX]={0},C[MAX][MAX]={0};printf("Please input row and column of the two matrix:");scanf("%d%d%d",&n,&m,&s);prin...