Submission #29666939

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (n); ++i)

std::vector<std::string> split(const std::string& text, const char delim);

using ll = long long int;
using llu = unsigned long long int;

int main(){
    string buffer;
    getline(cin, buffer);
    auto a = split(buffer, ' ');

    string ans = a[0];
    for (int i = 0; i < 2; ++i) {
        ans = a[stoi(ans)];
    }
    cout << ans << endl;

    return 0;
}

std::vector<std::string> split(const std::string& text, char delim) {
    std::vector<std::string> elems;
    std::stringstream ss(text);
    std::string item;
    while (std::getline(ss, item, delim)) {
    if (!item.empty()) {
            elems.emplace_back(item);
        }
    }
    return elems;
}

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