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Java Solution for LeetCode algorithm problems, continually updating
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package g0901_1000.s0926_flip_string_to_monotone_increasing;
// #Medium #String #Dynamic_Programming #2022_03_29_Time_12_ms_(63.41%)_Space_50.7_MB_(48.55%)
public class Solution {
public int minFlipsMonoIncr(String s) {
if (s == null || s.length() <= 1) {
return 0;
}
final int n = s.length();
int countOnes = 0;
int countFlips = 0;
for (int i = 0; i < n; i++) {
if (s.charAt(i) == '0') {
if (countOnes == 0) {
continue;
} else {
countFlips++;
}
} else {
countOnes++;
}
countFlips = Math.min(countFlips, countOnes);
}
return countFlips;
}
}