[백준1193] 분수찾기

#include <stdio.h>
#pragma warning(disable:4996)

int main() {

 int num;

 int line;

 int dividend,divisor;



 scanf("%d",&num);



 for (line = 1; line < num; line++) {

  if(num-line < 0)

   break;

  num = num - line;

 }

 // line+1 = 분모+분자

 if(line % 2 == 0){

  dividend = num;

  divisor = line + 1 - dividend;

 }

 else if (line % 2 != 0) {

  divisor = num;

  dividend = line + 1 - divisor;  

 }

 printf("%d/%d\n",dividend,divisor);

 return 0;

}