Submission #2862667


Source Code Expand

#include<cstdio>
#include<queue>
#include<utility>
#include<cstring>
#include<stack>
#include<algorithm>
#include<cmath>
#include<iostream>
#define MAX_N 100001
#define INF 2147483647
#define REP(i,n) for(int i=0;i<(int)(n);i++)
void init(int n);
int find(int n);
void unite(int x,int y);
bool same(int x, int y);
int dx[4] = {1,0,0,-1};
int dy[4] = {0,1,-1,0};
using namespace std;
int main()
{
  int N,l,r,s,t,co;
  string S,L="",R="";
  cin >> N;
  cin >> S;
  t = 0;
  s = 0;
  co = 0;
  REP(i,N){
    if(S[i] == '('){
      t++;
    }else{
      if(t >= 1){
        t--;
      }else{
        co++;
      }
    }
      
  }
  REP(i,co)L = L + "(";

  t = 0;
  s = 0;
  co = 0;
  for(int i=N-1;i>=0;i--){
    if(S[i] == ')'){
      t++;
    }else{
      if(t >= 1){
        t--;
      }else{
        co++;
      }
    }
      
  }
  REP(i,co)R = R + ")";
  cout << (L + S +  R) << endl;
  
  return 0;
}

int par[MAX_N];
int ranks[MAX_N];

//n要素で初期化
void init(int n){
  REP(i,n){
    par[i] = i;
    ranks[i] = 0;
  }

}

//木の根を求める
int find(int x){
  if(par[x] == x){
    return x;
  }else{
    return par[x] = find(par[x]);
  }
}

void unite(int x,int y){
  x = find(x);
  y = find(y);
  if(x == y) return ;
  if(ranks[x] < ranks[y]){
    par[x] = y;
  }else{
    par[y] = x;
    if(ranks[x] == ranks[y]) ranks[x]++;
  }
}

bool same(int x, int y){
  return find(x) == find(y);
}

Submission Info

Submission Time
Task D - Insertion
User makss
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1510 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 12
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All in1.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
in1.txt AC 1 ms 256 KB
in2.txt AC 1 ms 256 KB
in3.txt AC 1 ms 256 KB
in4.txt AC 1 ms 256 KB
in5.txt AC 1 ms 256 KB
in6.txt AC 1 ms 256 KB
in7.txt AC 1 ms 256 KB
in8.txt AC 1 ms 256 KB
in9.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB