[C++知识库]1-23打印十字图

我的代码??

#include <iostream>
#include <stdio.h>

using namespace std;

void print(int n) {
    cout << "..";
    for (int i = 0; i < n * 4 + 1; ++i)
        cout << "$";
    cout << ".." << endl << "..$";
    for (int i = 0; i < n * 4 - 1; ++i)
        cout << ".";
    cout << "$.." << endl;
    //前两行
    for (int i = 1; i <= 2 * n + 1; ++i) {
        if (i % 2) {            //奇数行
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << "$.";
            if (i != 2 * n + 1) {
                cout << "$$$.";
                for (int j = 0; j < (n + 1) * 4 + 1 - (i - 1) * 2 - 8; ++j)
                    cout << "$";
                cout << ".$$$";
            } else              //中间行
                for (int j = 0; j < (n + 1) * 4 + 1 - (i - 1) * 2; ++j)
                    cout << "$";
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << ".$";
            cout << endl;
        } else {                   //偶数行
            cout << "$";
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << ".$";
            cout << "...$";
            for (int j = 0; j < (n + 1) * 4 + 1 - 2 - (i - 1) / 2 * 4 - 8; ++j)
                cout << ".";
            if (i != 2 * n)
                cout << "$...";
            else cout << "...";
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << "$.";
            cout << "$" << endl;
        }
    }

    //后半部分
    for (int i = 2 * n; i > 0; --i) {
        if (i % 2) {            //奇数行
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << "$.";
            if (i != 2 * n + 1) {
                cout << "$$$.";
                for (int j = 0; j < (n + 1) * 4 + 1 - (i - 1) * 2 - 8; ++j)
                    cout << "$";
                cout << ".$$$";
            } else              //中间行
                for (int j = 0; j < (n + 1) * 4 + 1 - (i - 1) * 2; ++j)
                    cout << "$";
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << ".$";
            cout << endl;
        } else {                   //偶数行
            cout << "$";
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << ".$";
            cout << "...$";
            for (int j = 0; j < (n + 1) * 4 + 1 - 2 - (i - 1) / 2 * 4 - 8; ++j)
                cout << ".";
            if (i != 2 * n)
                cout << "$...";
            else cout << "...";
            for (int j = 0; j < (i - 1) / 2; ++j)
                cout << "$.";
            cout << "$" << endl;
        }
    }

    cout << "..$";
    for (int i = 0; i < n * 4 - 1; ++i)
        cout << ".";
    cout << "$.." << endl << "..";
    for (int i = 0; i < n * 4 + 1; ++i)
        cout << "$";
    cout << "..";

    //后两行
}

int main() {
    int n;
    cin >> n;
    print(n);
    return 0;
}