제출 #613704

#제출 시각아이디문제언어결과실행 시간메모리
613704KoDNice sequence (IZhO18_sequence)C++17
6 / 100
1 ms452 KiB
#include <bits/stdc++.h>

using ll = long long;
using std::vector;
using std::array;
using std::pair;
using std::tuple;

vector<int> solve(const int N, const int M) {
    if (M % N == 0) {
        return vector(M - 1, -1);
    }
    vector<int> ret(M, N - 1);
    for (int i = N - 1; i < M; i += N) {
        ret[i] = -N;
    }
}

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int T;
    std::cin >> T;
    while (T--) {
        int N, M;
        std::cin >> N >> M;
        vector<int> A;
        if (N > M) {
            A = solve(M, N);
            for (auto& x : A) {
                x = -x;
            }
        } else {
            A = solve(N, M);
        }
        std::cout << A.size() << '\n';
        for (int i = 0; i < (int)A.size(); ++i) {
            if (i > 0) {
                std::cout << ' ';
            }
            std::cout << A[i];
        }
        std::cout << '\n';
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

sequence.cpp: In function 'std::vector<int> solve(int, int)':
sequence.cpp:13:29: warning: control reaches end of non-void function [-Wreturn-type]
   13 |     vector<int> ret(M, N - 1);
      |                             ^
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