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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int X;
  5.     scanf("%d", &X);
  6.  
  7.     // 대각선 번호 찾기
  8.     int diagonal = 1;
  9.     while (X > diagonal) {
  10.         X -= diagonal;
  11.         diagonal++;
  12.     }
  13.  
  14.     // 대각선 내에서 X번째 분수 찾기
  15.     int numerator, denominator;
  16.     if (diagonal % 2 == 1) {
  17.         numerator = diagonal - X + 1;
  18.         denominator = X;
  19.     } else {
  20.         numerator = X;
  21.         denominator = diagonal - X + 1;
  22.     }
  23.  
  24.     printf("%d/%d\n", numerator, denominator);
  25.  
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin 
4
stdout 
3/1
https://ideone.com/Za5a8P
language:
C (gcc 8.3)
created:
15 days ago
visibility:
public

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