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Commit9ac886c

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add a solution for 299
1 parentaf69b65 commit9ac886c

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1 file changed

+40
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  • src/main/java/com/fishercoder/solutions

1 file changed

+40
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lines changed

‎src/main/java/com/fishercoder/solutions/_299.java

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Original file line numberDiff line numberDiff line change
@@ -1,5 +1,8 @@
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packagecom.fishercoder.solutions;
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importjava.util.HashMap;
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importjava.util.Map;
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publicclass_299 {
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publicstaticclassSolution1 {
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publicStringgetHint(Stringsecret,Stringguess) {
@@ -21,4 +24,41 @@ public String getHint(String secret, String guess) {
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returnbulls +"A" +cows +"B";
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}
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}
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publicstaticclassSolution2 {
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/**
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* My completely original solution on 12/24/2021.
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*/
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publicStringgetHint(Stringsecret,Stringguess) {
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intbulls =0;
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intcows =0;
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boolean[]bulled =newboolean[secret.length()];
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Map<Integer,Integer>map =newHashMap<>();
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for (inti =0;i <secret.length();i++) {
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if (secret.charAt(i) ==guess.charAt(i)) {
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bulled[i] =true;
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bulls++;
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}
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}
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for (inti =0;i <secret.length();i++) {
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if (!bulled[i]) {
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intnum =Character.getNumericValue(secret.charAt(i));
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map.put(num,map.getOrDefault(num,0) +1);
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}
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}
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for (inti =0;i <secret.length();i++) {
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if (!bulled[i]) {
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intnum =Character.getNumericValue(guess.charAt(i));
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if (map.getOrDefault(num,0) >1) {
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map.put(num,map.get(num) -1);
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cows++;
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}elseif (map.getOrDefault(num,0) ==1) {
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map.remove(num);
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cows++;
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}
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}
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}
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returnbulls +"A" +cows +"B";
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}
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}
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}

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