(2016 weak Schools Union 11 session 10.3) Dparentheses

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Look at the left parenthesis as a right parenthesis as B and push it. It was written a long time ago and pushed to the last discovery is a regular sequence.

#include <bits/stdc++.h>using namespaceStd;typedefLong Longll;intMain () {ll n;  while(SCANF ("%lld", &n)! =EOF) {ll CNT=0, sum=0;  for(intI=1;; i++)        {            if(sum>=n) Break; CNT++; Sum=sum+CNT; //printf ("%d:%d\n", i,sum);} printf (")"); ll a=sum-N; LL b=cnt-A;  for(intI=1; i<=cnt;i++)        {            if(b==i) printf ("("); Elseprintf (")"); }         for(intI=0; i<cnt-1; i++) printf ("("); Puts (""); }    return 0;}

(2016 weak Schools Union 11 session 10.3) Dparentheses