c 语言数组主对角线和 次对角线怎么求和答:include <stdio.h>#include <conio.h>#define LEN 50 /*数组长度*/int main (void) {int matrix[LEN][LEN] = {{1,3,2},{4,7,5},{9,6,8}}; int row= 3, col= 3;int mainDiagonalSum, diagonalSum; /*主、次对角线之和*/int i, j;for (i=0; i<row; i++) {for (j...