g0301_0400.s0330_patching_array.Solution Maven / Gradle / Ivy
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Java Solution for LeetCode algorithm problems, continually updating
package g0301_0400.s0330_patching_array;
// #Hard #Array #Greedy
public class Solution {
public int minPatches(int[] nums, int n) {
int res = 0;
long sum = 0;
int i = 0;
while (sum < n) {
// required number
long req = sum + 1;
if (i < nums.length && nums[i] <= req) {
sum += nums[i++];
} else {
sum += req;
res++;
}
}
return res;
}
}