C++Öд´½¨¡¢³õʼ»¯ÒÔ¼°É¾³ý ÒÔ±äÁ¿Îª´óСµÄ¶¯Ì¬¶þάÊý×é

´´½¨Óë³õʼ»¯：

int** graph = new int*[N + 1];

for (int i = 0; i < N + 1; i++) {
graph[i] = new int[N + 1];
for (int j = 0; j < N + 1; j++) {
graph[i][j] = 0;
}
}

ɾ³ý：
for (int i = 0; i < N + 1; i++) {
delete[] graph[i];
}
delete[] graph;