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  1. package RandomPractice;
  2.  
  3. import java.io.BufferedOutputStream;
  4. import java.io.IOException;
  5. import java.io.InputStream;
  6. import java.io.PrintWriter;
  7. import java.util.InputMismatchException;
  8.  
  9. public class IdealRandomNumberGenerator {
  10. 	static int numChar;
  11. 	static int curChar;
  12. 	static byte[] buffer = new byte[1024];
  13. 	static InputStream stream;
  14. 	static PrintWriter out;
  15.  
  16. 	public static void main(String[] args) throws InputMismatchException, IOException {
  17. 		stream = System.in;
  18. 		out = new PrintWriter(new BufferedOutputStream(System.out));
  19. 		StringBuilder builder = new StringBuilder();
  20. 		long a = readLong(), b = readLong(), c = readLong();
  21. 		long start = 0;
  22. 		long end = a + b;
  23. 		if (c <= end) {
  24. 			long g = gcd((c - start), (end - start));
  25. 			builder.append((c - start) / g + "/" + (end - start) / g + "\n");
  26. 		} else {
  27. 			builder.append("1/1\n");
  28. 		}
  29. 		out.print(builder);
  30. 		out.flush();
  31. 		out.close();
  32. 	}
  33.  
  34. 	public static long gcd(long a, long b) {
  35. 		if (b == 0)
  36. 			return a;
  37. 		return gcd(b, a % b);
  38. 	}
  39.  
  40. 	public static int read() throws IOException {
  41. 		if (numChar <= curChar) {
  42. 			curChar = 0;
  43. 			numChar = stream.read(buffer);
  44. 			if (numChar <= 0) {
  45. 				return -1;
  46. 			}
  47. 		}
  48. 		return buffer[curChar++];
  49. 	}
  50.  
  51. 	public static long readLong() throws IOException, InputMismatchException {
  52. 		int c = read();
  53. 		if (c == -1)
  54. 			throw new IOException();
  55. 		while (isSpaceChar(c)) {
  56. 			c = read();
  57. 		}
  58. 		boolean negative = false;
  59. 		if (c == '-') {
  60. 			negative = true;
  61. 			c = read();
  62. 		}
  63. 		long res = 0;
  64. 		while (!isSpaceChar(c)) {
  65. 			if (c < '0' || c > '9')
  66. 				throw new InputMismatchException();
  67. 			res *= 10;
  68. 			res += (c - '0');
  69. 			c = read();
  70. 		}
  71. 		if (negative)
  72. 			return -res;
  73. 		return res;
  74. 	}
  75.  
  76. 	public static int readInt() throws IOException, InputMismatchException {
  77. 		return (int) readLong();
  78. 	}
  79.  
  80. 	public static String readString() throws IOException {
  81. 		int c = read();
  82. 		if (c == -1)
  83. 			throw new IOException();
  84. 		while (isSpaceChar(c)) {
  85. 			c = read();
  86. 		}
  87. 		StringBuilder builder = new StringBuilder();
  88. 		while (!isSpaceChar(c)) {
  89. 			builder.append((char) c);
  90. 			c = read();
  91. 		}
  92. 		return builder.toString();
  93. 	}
  94.  
  95. 	public static boolean isSpaceChar(int c) {
  96. 		return c == ' ' || c == '\n' || c == '\t' || c == '\r' || c == -1;
  97. 	}
  98. }
  99.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
Main.java:9: error: class IdealRandomNumberGenerator is public, should be declared in a file named IdealRandomNumberGenerator.java
public class IdealRandomNumberGenerator {
       ^
1 error
stdout 
Standard output is empty
https://ideone.com/pXkHwQ
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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