1352 找出数组中和为k的两个数

#include<iostream>
#include<cstdio>
using namespace std;

int main()
{
int n,k;
int *a;
while(scanf("%d %d",&n,&k)!=EOF)
{
a = new int
;
for(int i=0;i<n;i++)
scanf("%d",&a[i]);

int left=0,right=n-1;
while(left<right)
{
int sum = a[left]+a[right];
if(sum == k)
{
printf("%d %d\n",a[left],a[right]);
break;
}
else if(sum > k)
right--;
else
left++;
}
if(left == right)
printf("-1 -1\n");

delete[] a;
a=NULL;

}

return 1;
}