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1079 三角形
阅读量:626 次
发布时间:2019-03-13

本文共 1489 字,大约阅读时间需要 4 分钟。

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  • ?????

    • ????????????(a^2 + b^2 = c^2)???c????
    • ??????ai????????????
  • ?????

    • ?ai?????????c????ai????(c^2 = ai^2 + b^2)?
    • ?ai?????????a????ai????(a^2 + b^2 = ai^2)?
  • ?????

    • ???????c?????????b??????
    • ????????a?????????b??????
  • ?????

    • ???????????????????????
    • ???????????
  • ????

    #include 
    #include
    #include
    #include
    #include
    using namespace std;
    void work(int d) {
    // ?d??????????c
    for (int c = d + 1; c <= 2 * d * d; ++c) {
    int b_sq = c * c - d * d;
    if (b_sq <= 0) continue;
    int b = sqrt(b_sq);
    if (b * b == b_sq && b < c) {
    cout << c << "," << b << endl;
    }
    }
    // ?d??????????a
    for (int a = 1; a < d; ++a) {
    int b_sq = d * d - a * a;
    if (b_sq <= 0) continue;
    int b = sqrt(b_sq);
    if (b * b == b_sq && a > b) {
    cout << a << "," << b << endl;
    }
    }
    cout << endl;
    }
    int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    for (int i = 0; i < n; ++i) {
    int d;
    cin >> d;
    work(d);
    }
    return 0;
    }

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  • ????work(d)?

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