POJ 2996 Help Me with the Game && POJ 2993 Emag eht htiw Em Pleh

解题思路：普通模拟题

POJ 2996 Help Me with the Game

#include<iostream>
#include <map>
 using namespace std;

struct Point{char y, x;};

int main()
{
    char chess[17][34];
    char key[][6] = {{'K', 'Q', 'R', 'B', 'N', 'P'}, {'k', 'q', 'r', 'b', 'n', 'p'}};

    multimap<char, Point >letter;
    multimap<char, Point>::iterator iter1, iter2;
    Point point;

    for (int i = 16; i >= 0; i--)
        cin >> chess[i];

    for (int i = 1; i < 9; i++)
    {
        for (int j = 1; j < 9; j++)
        {
            point.y = i + '0', point.x = j - 1 + 'a';
            if (chess[i * 2 - 1][j * 4 - 2] < 'Z')
                letter.insert(make_pair(chess[i * 2 - 1][j * 4 - 2], point));
            point.y = 9 - i + '0', point.x = j - 1 + 'a';
            if (chess[17 - i * 2][j * 4 - 2] > 'a')
                letter.insert(make_pair(chess[17 - i * 2][j * 4 - 2], point));
        }
    }
    for (int j = 0; j < 2; j++)
    {
        bool first = true;
        for (int i = 0; i < 6; i++)
        {
            iter1 = letter.lower_bound(key[j][i]);
            iter2 = letter.upper_bound(key[j][i]);
            while (iter1 != iter2)
            {
                if (first)
                {
                    cout << ((j == 0 ? "White: " : "Black: "));
                    first = false;
                }
                else
                    cout << ",";
                if(i < 5)
                    cout << char((j == 0) ? key[j][i] : (key[j][i] + 'A' - 'a'));
                cout << (iter1->second).x <<(iter1->second).y;
                iter1++;
            }
        }
        if (!first)
            cout << endl;
    }
    
    return 0;
}

POJ 2993 Emag eht htiw Em Pleh

#include <iostream>
#include <string>
using namespace std;

int main()
{
    char chess[8][8] = {0}, ch;
    int row, col;
    string str;
    for(int i = 0; i < 2; i++)
    {
        getline(cin, str);
        if (str[0] == 'B')i++;

        for(int j = 0; j < str.length(); j++)
        {
            if (str[j] == ',' || str[j] == ' ')
            {
                if(str[++j] >= 'a')
                {
                    ch = ((i == 0) ? 'P' : 'p');
                    col = str[j] - 'a';
                }
                else
                {
                    ch = (i == 0) ? str[j] : (str[j] - 'A' + 'a');
                    col = str[++j] - 'a';
                }
                row = str[++j] - '1';
                chess[7 - row][col] = ch;
            }
        }
    }
    for (int i = 0; i < 8; i++)
    {
        cout << "+---+---+---+---+---+---+---+---+" << endl;
        for (int j = 0; j < 8; j++)
        {
            cout << '|';
            cout << (((i + j) % 2 == 0) ? '.' : ':');
            if (chess[i][j] == 0)
                cout << (((i + j) % 2 == 0) ? '.' : ':');
            else
                cout << chess[i][j];
            cout << (((i + j) % 2 == 0) ? '.' : ':');
        }
        cout << "|" << endl;
    }
    cout << "+---+---+---+---+---+---+---+---+" << endl;

    return 0;
}