1. 如何动态申请二维数组空间?
1)
#define M 10 #define N 10 void *p; int **a; p=malloc(sizeof(int)*M*N); a=(int **)p;
2)
int **p; p = new int*[N]; for (int i=0; i<N; i++){ p[i] = new int[N]; }
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原文:http://www.cnblogs.com/sky0917/p/3586647.html