import java.util.HashMap; import java.util.Map; import java.util.Scanner; /** * Created by Lukasz.Dobrzynski on 16/11/23. */ public class jed { private long testNo; private Map<Integer, Result> results = new HashMap<>(); private StringBuilder sb = new StringBuilder(); class Result { int firstDivisor; int secondDivisor; int length; boolean minusOneNumber; } public static void main(String[] args) { jed app = new jed(); app.process(); } private void process() { Scanner scanner = new Scanner(System.in); long testNo = scanner.nextLong(); for (int i = 0; i < testNo; i++) { if (i != 0) { clean(); } int toSearch = scanner.nextInt(); findEquation(toSearch); craeteOutput(toSearch); System.out.println(sb); } } private void clean() { results.clear(); sb = new StringBuilder(); } private void craeteOutput(int toSearch) { if (toSearch == 1) { sb.append("1"); return; } if (toSearch <= 5) { sb.append("("); for (int i = 0; i < toSearch - 1; i++) { sb.append("1+"); } sb.append("1)"); return; } Result result = results.get(toSearch); if (result.length > 100) { sb.append("NIE"); return; } sb.append("("); craeteOutput(result.firstDivisor); sb.append("*"); craeteOutput(result.secondDivisor); if (result.minusOneNumber) { sb.append("+1"); } sb.append(")"); } private void findEquation(int toSearch) { if (toSearch <= 5) { return; } if (results.containsKey(toSearch)) { return; } Result result = new Result(); int firstDivisor = findDivisor(toSearch); boolean decrement = firstDivisor == -1; if (decrement) { toSearch -= 1; firstDivisor = findDivisor(toSearch); } results.put(toSearch, result); int secondDivisor = toSearch / firstDivisor; findEquation(firstDivisor); findEquation(secondDivisor); result.firstDivisor = firstDivisor; result.secondDivisor = secondDivisor; int firstDivisoLength = (firstDivisor <= 5 ? firstDivisor : results.get(firstDivisor).length); int secondDivisoLength = (secondDivisor <= 5 ? secondDivisor : results.get(secondDivisor).length); result.length = firstDivisoLength + secondDivisoLength; if (decrement) { Result original = new Result(); original.firstDivisor = result.firstDivisor; original.secondDivisor = result.secondDivisor; original.length = result.length + 1; original.minusOneNumber = true; results.put(toSearch + 1, original); } } private int findDivisor(int toSearch) { if (toSearch % 2 == 0) { return 2; } int sqrt = (int) Math.sqrt(toSearch); for (int i = 3; i <= sqrt; i += 2) { if (toSearch % i == 0) { return i; } } return -1; } }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | import java.util.HashMap; import java.util.Map; import java.util.Scanner; /** * Created by Lukasz.Dobrzynski on 16/11/23. */ public class jed { private long testNo; private Map<Integer, Result> results = new HashMap<>(); private StringBuilder sb = new StringBuilder(); class Result { int firstDivisor; int secondDivisor; int length; boolean minusOneNumber; } public static void main(String[] args) { jed app = new jed(); app.process(); } private void process() { Scanner scanner = new Scanner(System.in); long testNo = scanner.nextLong(); for (int i = 0; i < testNo; i++) { if (i != 0) { clean(); } int toSearch = scanner.nextInt(); findEquation(toSearch); craeteOutput(toSearch); System.out.println(sb); } } private void clean() { results.clear(); sb = new StringBuilder(); } private void craeteOutput(int toSearch) { if (toSearch == 1) { sb.append("1"); return; } if (toSearch <= 5) { sb.append("("); for (int i = 0; i < toSearch - 1; i++) { sb.append("1+"); } sb.append("1)"); return; } Result result = results.get(toSearch); if (result.length > 100) { sb.append("NIE"); return; } sb.append("("); craeteOutput(result.firstDivisor); sb.append("*"); craeteOutput(result.secondDivisor); if (result.minusOneNumber) { sb.append("+1"); } sb.append(")"); } private void findEquation(int toSearch) { if (toSearch <= 5) { return; } if (results.containsKey(toSearch)) { return; } Result result = new Result(); int firstDivisor = findDivisor(toSearch); boolean decrement = firstDivisor == -1; if (decrement) { toSearch -= 1; firstDivisor = findDivisor(toSearch); } results.put(toSearch, result); int secondDivisor = toSearch / firstDivisor; findEquation(firstDivisor); findEquation(secondDivisor); result.firstDivisor = firstDivisor; result.secondDivisor = secondDivisor; int firstDivisoLength = (firstDivisor <= 5 ? firstDivisor : results.get(firstDivisor).length); int secondDivisoLength = (secondDivisor <= 5 ? secondDivisor : results.get(secondDivisor).length); result.length = firstDivisoLength + secondDivisoLength; if (decrement) { Result original = new Result(); original.firstDivisor = result.firstDivisor; original.secondDivisor = result.secondDivisor; original.length = result.length + 1; original.minusOneNumber = true; results.put(toSearch + 1, original); } } private int findDivisor(int toSearch) { if (toSearch % 2 == 0) { return 2; } int sqrt = (int) Math.sqrt(toSearch); for (int i = 3; i <= sqrt; i += 2) { if (toSearch % i == 0) { return i; } } return -1; } } |