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330.java
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330.java
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sample 0 ms submission
class Solution {
public int minPatches(int[] nums, int n) {
long curend=0;
int ans=0;
for (int i:nums){
while (curend<i-1&&curend<n){
curend=curend*2+1;
++ans;
}
curend+=i;
if (curend>=n) break;
}
while (curend<n){
curend=curend*2+1;
++ans;
}
return ans;
}
}
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sample 35376 kb submission
class Solution {
public int minPatches(int[] nums, int n) {
int count = 0, i = 0;
long priorSum = 0;
while(priorSum<n) {
if(i>=nums.length || nums[i]>priorSum+1) {
++count;
priorSum = (priorSum<<1) + 1;
}
else priorSum += nums[i++];
}
return count;
}
}
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