public int[][] func(int[][] nums,int r,int c){
int m=nums.length;
int k=0;
int n=nums[0].length;
if(r*c!=m*n){
return nums;
}
int[][] res = new int[r][c];
for(int i=0;i<r;i++){
for(int j=0;j<c;j++,k++){
res[i][j]=nums[k/n][k%n];
}
}
return res;
}
Leetcode566. Reshape the Matrix
原文：http://www.cnblogs.com/vector11248/p/6789520.html