排序找出最小值
旋转数组的最小数字
http://www.nowcoder.com/questionTerminal/9f3231a991af4f55b95579b44b7a01ba
public int minNumberInRotateArray(int [] array) {
int len = array.length;
if (len == 0){
return 0;
}
for (int i = 0; i < len; i++) {
for (int j = i + 1; j < len; j++) {
if (array[j] < array[i]){
return array[j];
}
}
}
return array[0];
} 
