首页 程序设计 杂题集

# A

填空水题，算天数，答案是 33149

# B

感觉不应该是水题啊？但是暴力算出来就是 45 ，数据弱？

C++
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int getI(int x, int n) {
    int t = pow(x, n);

    while (t / 10 != 0)
        t /= 10;

    return t;
}

map<int, bool> mp;

void solve () {
    for (int i = 1; i <= 27; i++) {
        int ai = getI(2, i), bi = getI(5, i);
        cout << "i:" << i << ", aI = " << ai << ", bI = " << bi;
        if (mp[ai * bi])
            cout << ", " << ai * bi << endl;
        else
            cout << endl;
        mp[ai * bi] = 1;
    }
}

# C

水水水水题题题题目，数据范围才 200200，打暴力就行了。

C++
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void solve () {
    cin >> n >> m >> k;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    for (int i = 1; i <= m; i++)
        cin >> b[i];
    for (int i = 1; i <= k; i++)
        cin >> c[i];

    int maxx = 0;

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            for (int t = 1; t <= k; t++)
                maxx = max(maxx, (a[i] * b[j]) % c[t]);
    cout << maxx << endl;
}

# D