Submission #698541

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
698541	2023-02-13 18:03:12	dattranxxx	Match (CEOI16_match)	C++11	100 / 100	12 ms	12488 KiB

match

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e5 + 5;
string s;
int n;
char ans[N];
int good(stack<char> st, int i, int j = n) {
  for (; i <= j; ++i) {
    if (st.empty() || st.top() != s[i]) {
      st.push(s[i]);
    } else {
      st.pop();
    }
  }
  return st.empty();
}
void task1() {
  stack<char> st;
  for (int i = 1; i <= n; ++i) {
    if (st.empty() || st.top() != s[i]) {
      st.push(s[i]);
      ans[i] = '(';
    } else {
      st.push(s[i]);
      ans[i] = '(';
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 27 / 27
• Subtask 3: 63 / 63