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class Solution {
public boolean canPartition(int[] nums) {
Map<Integer, Integer> mp = new HashMap<>();
int len = nums.length;
int cnt = 0;
for (int i = 0; i < len; i++) {
Set<Integer> st=new HashSet<>();
cnt += nums[i];
for (Integer j : mp.keySet()) {
if (mp.getOrDefault(j, -1) != -1) {
st.add(nums[i]+j);
}
}
st.add(nums[i]);
for(Integer j:st)
{
mp.put(j,1);
}
}
if (cnt % 2 != 0 || mp.getOrDefault(cnt / 2, -1) == -1)
return false;
return true;
}
}Editor is loading...
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