test/yukicoder/0715.test.cpp

• View this file on GitHub
• Last update: 2026-02-17 02:03:35+09:00
• Problem: https://yukicoder.me/problems/no/715

Depends on

• Mex (lib/algorithm/mex.hpp)

Code

// competitive-verifier: PROBLEM https://yukicoder.me/problems/no/715
#include <algorithm>
#include <iostream>
#include <vector>
#include "algorithm/mex.hpp"

int main(void) {
    int n;
    std::cin >> n;
    std::vector<int> a(n);
    for (int &e : a) std::cin >> e;

    std::vector<int> dp = {0, 1};
    for (int x = 2; x < 400; ++x) {
        minimum_excluded mex;
        mex.add(dp[x - 2]);
        for (int i = 0; i < x - 2; ++i) mex.add(dp[i] ^ dp[x - i - 3]);
        dp.emplace_back(mex());
    }

    int c = 0;
    std::sort(a.begin(), a.end());
    int x = a.front();
    int ans = 0;
    for (int e : a) {
        if (e == x + c) {
            ++c;
            continue;
        }
        if (c >= 340) ans ^= dp[340 + c % 34];
        else ans ^= dp[c];
        c = 1;
        x = e;
    }
    if (c >= 340) ans ^= dp[340 + c % 34];
    else ans ^= dp[c];

    if (ans) std::cout << "First\n";
    else std::cout << "Second\n";

    return 0;
}

Traceback (most recent call last):
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/resolver.py", line 291, in resolve
    bundled_code = language.bundle(path, basedir=basedir)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus.py", line 242, in bundle
    bundler.update(path)
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 479, in update
    self._resolve(pathlib.Path(included), included_from=path)
  File "/home/runner/.local/lib/python3.12/site-packages/competitive_verifier/oj/verify/languages/cplusplus_bundle.py", line 286, in _resolve
    raise BundleErrorAt(path, -1, "no such header")
competitive_verifier.oj.verify.languages.cplusplus_bundle.BundleErrorAt: algorithm/mex.hpp: line -1: no such header

Test cases

Env	Name	Status	Elapsed	Memory
g++	test0_0	AC	3 ms	4 MB
g++	test0_1	AC	3 ms	4 MB
g++	test0_10	AC	9 ms	4 MB
g++	test0_11	AC	10 ms	4 MB
g++	test0_12	AC	10 ms	4 MB
g++	test0_13	AC	11 ms	4 MB
g++	test0_14	AC	13 ms	4 MB
g++	test0_15	AC	13 ms	4 MB
g++	test0_16	AC	14 ms	4 MB
g++	test0_17	AC	13 ms	4 MB
g++	test0_18	AC	15 ms	4 MB
g++	test0_19	AC	15 ms	4 MB
g++	test0_2	AC	4 ms	4 MB
g++	test0_20	AC	17 ms	4 MB
g++	test0_21	AC	17 ms	4 MB
g++	test0_22	AC	18 ms	4 MB
g++	test0_23	AC	18 ms	4 MB
g++	test0_24	AC	19 ms	4 MB
g++	test0_25	AC	20 ms	4 MB
g++	test0_26	AC	19 ms	4 MB
g++	test0_27	AC	22 ms	4 MB
g++	test0_28	AC	23 ms	4 MB
g++	test0_29	AC	23 ms	4 MB
g++	test0_3	AC	5 ms	4 MB
g++	test0_4	AC	5 ms	4 MB
g++	test0_5	AC	6 ms	4 MB
g++	test0_6	AC	7 ms	4 MB
g++	test0_7	AC	7 ms	4 MB
g++	test0_8	AC	8 ms	4 MB
g++	test0_9	AC	9 ms	4 MB
g++	test1_0	AC	20 ms	4 MB
g++	test1_1	AC	18 ms	4 MB
g++	test1_2	AC	17 ms	4 MB
g++	test1_3	AC	19 ms	4 MB
g++	test1_4	AC	17 ms	4 MB
g++	test2_0	AC	2 ms	4 MB
g++	test2_1	AC	2 ms	4 MB
g++	test2_2	AC	2 ms	4 MB
g++	test2_3	AC	2 ms	3 MB
g++	test2_4	AC	2 ms	4 MB
g++	test3_0	AC	3 ms	3 MB
g++	test3_1	AC	3 ms	4 MB
g++	test3_2	AC	3 ms	4 MB
g++	test3_3	AC	3 ms	4 MB
g++	test3_4	AC	3 ms	3 MB
g++	test3_5	AC	3 ms	4 MB
g++	test3_6	AC	3 ms	4 MB
g++	test3_7	AC	3 ms	3 MB
g++	test3_8	AC	3 ms	4 MB
g++	test3_9	AC	3 ms	4 MB
g++	test4_0	AC	121 ms	5 MB
g++	test4_1	AC	124 ms	5 MB
g++	test4_2	AC	119 ms	5 MB
g++	test4_3	AC	116 ms	5 MB
g++	test4_4	AC	117 ms	5 MB
g++	test4_5	AC	120 ms	5 MB
g++	test4_6	AC	114 ms	5 MB
g++	test4_7	AC	107 ms	5 MB
g++	test4_8	AC	121 ms	5 MB
g++	test4_9	AC	123 ms	5 MB

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