#include <iostream>int main() {int d2a[3][4] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };//輸出 0,1,2,3,4,5,6,7,8,9,10,11for (size_t i = 0; i < 3; i++){for (size_t j = 0; j < 4; j++){std::cout << d2a[i][j] << ",";}}//輸出 0077FD04,0077FD04,0077FD14,0077FD24//可見(jiàn)二維數(shù)組名是數(shù)據(jù)首地址，d2a[0],d2a[1],d2a[2]分別是第一行，第二行，第三行的首地址std::cout << d2a << "," << d2a[0] << "," << d2a[1] << "," << d2a[2] << std::endl;//最直觀的順序輸出所有元素的方式//輸出 0,1,2,3,4,5,6,7,8,9,10,11int* pa = (int*)d2a;for (size_t i = 0; i < 12; i++){std::cout << *(pa + i) << ",";}//最難理解的二維數(shù)組名當(dāng)指針的輸出方式//輸出 0,1,2,3,4,5,6,7,8,9,10,11for (size_t i = 0; i < 12; i++){std::cout << *(*d2a + i) << ",";//錯(cuò)誤方式，雖然二維數(shù)組指向數(shù)組首地址，但相當(dāng)于行指針，d2a+0 = d2a[0], d2a+1 = d2a[1],d2a+2=d2a[2]//std::cout << *(d2a + i) << ","; }//理解了二維數(shù)組名的實(shí)質(zhì)后，下面的就容易理解了char str[] = "ab";char(*px)[3] = &str;(*px)[0] = 'a';(*px)[1] = 'b';(*px)[2] = 'c'; }

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