循环访问二维数组时出现如下问题: error: invalid range expression of type 'int *'; no viable 'begin' function available for (auto col : row){ ^ ~~~ 1 error generated. 问题复现 初始化数组 constexpr size_t rowCnt = 3, colCnt = 4; int ia[rowCnt][colCnt]; for (size_t i =