import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.Collections; import java.util.Comparator; import java.util.Scanner; import java.util.Vector; public class haz { private static int skipWhitespace(final InputStream in) throws IOException { int val = -1; while ((val = in.read()) != -1) { if (!Character.isWhitespace((char) val)) break; } return val; } private static int readInt(final InputStream in) { final StringBuilder b = new StringBuilder(); try { int val = skipWhitespace(in); b.append((char) val); while ((val = in.read()) != -1) { if (Character.isWhitespace((char) val)) break; b.append((char) val); } return Integer.parseInt(b.toString()); } catch (final IOException e) { throw new RuntimeException(e); } } public void run(final InputStream in, PrintStream out) { int n = readInt(in); int[] kol_o = new int[n]; int[] kol = new int[n]; for (int i = 0; i < n; i++) { kol_o[i] = readInt(in); kol[i] = kol_o[i]; } int m = readInt(in); byte[] wyg = new byte[m]; BufferedReader br = new BufferedReader(new InputStreamReader(in)); char[] swyg = new char[m]; try { br.read(swyg, 0, m); } catch (Exception e) { System.out.println(swyg + e.getMessage()); } int p = 0; int w = 0; for (int i = 0; i < m; i++) { if (swyg[i] == 'W') { wyg[i] = (byte) 1; w++; } else { wyg[i] = (byte) -1; p++; } } long count = 0; int l = 0; long cykl = -1; boolean licz = true; boolean znal = false; while (licz) { cykl++; for (int k = 0; k < n; k++) { if (l == 0 && k == 0 && cykl > 0) { licz = false; break; } kol[k] += wyg[l]; count++; if (kol[k] == 0) { out.print(count + "\n"); licz = false; znal = true; break; } l++; if (l == m) { l = 0; } } } if (!znal) { int[] diff = new int[n]; int MAX = 0; int max = MAX; for (int i = 0; i < n; i++) { diff[i] = kol_o[i] - kol[i]; if (diff[i] > 0 && diff[i] > max ) { max = diff[i]; } } if (max == MAX) { out.print("-1\n"); } else { int res = Integer.MAX_VALUE; for (int i = 0; i < n; i++) { if (diff[i] > 0) { int mnoznik = (kol_o[i] / diff[i]) - 1; if (mnoznik < res) { res = mnoznik; } } } for (int i = 0; i < n; i++) { kol[i] = kol_o[i] - diff[i] * res; } licz = true; count = 0; while (licz) { for (int k = 0; k < n; k++) { kol[k] += wyg[l]; count++; if (kol[k] == 0) { NumberFormat formatter = new DecimalFormat("#0"); double z = n * cykl * res + count; out.print(formatter.format(z) + "\n"); licz = false; break; } l++; if (l == m) { l = 0; } } } } } } public static void main(final String[] args) { new haz().run(System.in, System.out); } }
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.text.DecimalFormat; import java.text.NumberFormat; import java.util.Collections; import java.util.Comparator; import java.util.Scanner; import java.util.Vector; public class haz { private static int skipWhitespace(final InputStream in) throws IOException { int val = -1; while ((val = in.read()) != -1) { if (!Character.isWhitespace((char) val)) break; } return val; } private static int readInt(final InputStream in) { final StringBuilder b = new StringBuilder(); try { int val = skipWhitespace(in); b.append((char) val); while ((val = in.read()) != -1) { if (Character.isWhitespace((char) val)) break; b.append((char) val); } return Integer.parseInt(b.toString()); } catch (final IOException e) { throw new RuntimeException(e); } } public void run(final InputStream in, PrintStream out) { int n = readInt(in); int[] kol_o = new int[n]; int[] kol = new int[n]; for (int i = 0; i < n; i++) { kol_o[i] = readInt(in); kol[i] = kol_o[i]; } int m = readInt(in); byte[] wyg = new byte[m]; BufferedReader br = new BufferedReader(new InputStreamReader(in)); char[] swyg = new char[m]; try { br.read(swyg, 0, m); } catch (Exception e) { System.out.println(swyg + e.getMessage()); } int p = 0; int w = 0; for (int i = 0; i < m; i++) { if (swyg[i] == 'W') { wyg[i] = (byte) 1; w++; } else { wyg[i] = (byte) -1; p++; } } long count = 0; int l = 0; long cykl = -1; boolean licz = true; boolean znal = false; while (licz) { cykl++; for (int k = 0; k < n; k++) { if (l == 0 && k == 0 && cykl > 0) { licz = false; break; } kol[k] += wyg[l]; count++; if (kol[k] == 0) { out.print(count + "\n"); licz = false; znal = true; break; } l++; if (l == m) { l = 0; } } } if (!znal) { int[] diff = new int[n]; int MAX = 0; int max = MAX; for (int i = 0; i < n; i++) { diff[i] = kol_o[i] - kol[i]; if (diff[i] > 0 && diff[i] > max ) { max = diff[i]; } } if (max == MAX) { out.print("-1\n"); } else { int res = Integer.MAX_VALUE; for (int i = 0; i < n; i++) { if (diff[i] > 0) { int mnoznik = (kol_o[i] / diff[i]) - 1; if (mnoznik < res) { res = mnoznik; } } } for (int i = 0; i < n; i++) { kol[i] = kol_o[i] - diff[i] * res; } licz = true; count = 0; while (licz) { for (int k = 0; k < n; k++) { kol[k] += wyg[l]; count++; if (kol[k] == 0) { NumberFormat formatter = new DecimalFormat("#0"); double z = n * cykl * res + count; out.print(formatter.format(z) + "\n"); licz = false; break; } l++; if (l == m) { l = 0; } } } } } } public static void main(final String[] args) { new haz().run(System.in, System.out); } } |