Submission #666527

#	Time	Username	Problem	Language	Result	Execution time	Memory
666527		Farbod	Homework (CEOI22_homework)	C++17	100 / 100	430 ms	190148 KiB

Main

#include <iostream>
#include <vector>
#include <map>
using namespace std;

#define pi pair <int, int>
#define pii pair <pi, int>
#define F first
#define S second

string s;
vector <int> v;
map <int, int> mp;

pii f(int l, int r)
{
    if (l == r)
        return {{1, 1}, 1};

    int d = mp[l + 3];
    pii a = f(l + 4, d - 1),
        b = f(d + 1, r - 1);

    bool t = (s[l + 2] == 'x');
    if (t)
        return {{a.F.F + b.F.F, max(a.S + b.F.S, b.S + a.F.S)}, a.S + b.S};
    return {{min(a.F.F, b.F.F), a.F.S + b.F.S - 1}, a.S + b.S};
}

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    cin >> s;

    for (int i = 0; i < s.size(); i++) {
        if (s[i] == '(')
            v.push_back(i);
        else if (s[i] == ',')
            mp[v.back()] = i;
        else if (s[i] == ')')
            v.pop_back();
    }

    pii a = f(0, s.size() - 1);

    cout << a.F.S - a.F.F + 1;

    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:36:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for (int i = 0; i < s.size(); i++) {
      |                     ~~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 13 / 13
• Subtask 3: 13 / 13
• Subtask 4: 30 / 30
• Subtask 5: 34 / 34