转自几个面试经典算法题Java解答(http://www.cnblogs.com/sunniest/p/4596182.html)题目二
//给出一个排序好的数组和一个数,求数组中连续元素的和等于所给数的子数组
public class SubArraySum {
public void findSubArraySum(int[] array , int sum){
if(array == null || array.length == 0){
System.out.println("array is empty.");
return;
}
for(int i = 0 ; i < array.length ; i++){
int temp = 0;
for(int j = i ; j < array.length ; j++){
temp += array[j];
if(temp < sum){
continue;
}else if(temp == sum){
for(int k = i ; k <= j ; k++){
System.out.print(array[k] + " ");
}
System.out.println();
break;
}else{
break;
}
}
}
}
public void findSubArraySum2(int[] a , int n){ if(a == null || a.length == 0){ return; } int start = 0 , end = 0; for(int i = 0 ; i < a.length ; i++){ int sum = a[i]; start = i; end = i; for(int k = i + 1 ; k < a.length && sum < n ; k++){ sum += a[k]; end = k; } if(sum == n){ for(int j = start ; j <=end ; j++){ System.out.print(a[j] + " "); } return; } } System.out.println("No such sub array exists."); }
public static void main(String[] args) {SubArraySum sa = new SubArraySum();int[] a = {1,2,3,4,5,6};sa.findSubArraySum(a, 6);}}
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