Submission #1118026

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1118026	2024-11-24 18:05:35	vjudge1	Match (CEOI16_match)	C++17	100 / 100	24 ms	23640 KiB

match

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#include <bits/stdc++.h>
using namespace std;
#define SPEED ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
#define ALL(x) x.begin(), x.end()
#define intt long long
#define pb push_back
#define endl "\n"
const int sz = 3e6 + 5, L = 20;
intt dp[sz][27];
bool valid(string& s) {
    stack<char>st;
    for(int i = 0; i < s.size(); i++) {
        if(!st.empty() && st.top() == s[i]) {
            st.pop();
        } else{
            st.push(s[i]);
        }
    }
    return st.empty();
}
string ans, s;
void rec(intt l, intt r) {
    if(l < r) {
        intt pos = dp[r][s[l] - 'a'];
        ans[l - 1] = '(';
        ans[pos - 1] = ')';
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

match.cpp: In function 'bool valid(std::string&)':
match.cpp:14:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i = 0; i < s.size(); i++) {
      |                    ~~^~~~~~~~~~
match.cpp: In function 'void solve()':
match.cpp:45:10: warning: unused variable 'ok' [-Wunused-variable]
   45 |     bool ok = true;
      |          ^~

• Subtask 1: 10 / 10
• Subtask 2: 27 / 27
• Subtask 3: 63 / 63