Submission #1226119

#	Time	Username	Problem	Language	Result	Execution time	Memory
1226119		adam17	Homework (CEOI22_homework)	C++20	100 / 100	156 ms	85668 KiB

Main

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

int N, iter;
string A;
struct R{
    int i;
    int j;
    int n;
};

R load() {
    if (A[iter] == '?') {
        iter++;
        return R{0, 1, 1};
    } else if (A[iter + 1] == 'i') {
        iter += 4;
        R a = load();
        iter++;
        R b = load();
        iter++;
        // cout << "MIN = " << min(a.i, b.i) << a.j + b.j - 1 << a.n + b.n << endl;
        return R{min(a.i, b.i), a.j + b.j - 1, a.n + b.n};
    } else {
        iter += 4;
        R a = load();
        iter++;
        R b = load();
        iter++;
        // cout << "MAX = " << a.i + b.i + 1 << a.n + b.n - min(a.n - a.j, b.n - b.j) << a.n + b.n << endl;
        return R{a.i + b.i + 1, a.n + b.n - min(a.n - a.j, b.n - b.j), a.n + b.n};
    }
    // return R{0, 0, 0};
}

int main() {
    cin >> A;
    N = 0;
    for (char x: A) {
        if (x == '?') {
            N++;
        }
    }

    iter = 0;
    R result = load();
    cout << result.j - result.i << endl;
    return 0;
}

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