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1 public int JumpFloorII(int target) { 2 if(target==0||target==1) 3 return 1; 4 if(target==2) 5 return 2; 6 int sum = 0; 7 for(int i=0;i<target;i++){ 8 sum += JumpFloorII(i); 9 } 10 return sum; 11 }
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原文地址:http://www.cnblogs.com/centor/p/5796455.html