UVa227Puzzle主要是输入输出格式控制

题目难度不大，主要（基本上是完全的）是输入输出的格式控制了……

两大坑：

输入里面如果空格在行尾，会直接换行！（是PQRS/n而不是PQRS空格/n）

输入的指令可能跨行！

能避开这两个坑应该就还好吧……

#define NDEBUG//这个宏的意思是不要debug，交上去的时候要有这一句。//第0坑，终于做完，兴高采烈，忘了删这句话//#define LOCAL//定义了这个宏，就是输出到本地，否则是输出到屏幕#include <stdio.h>#include <iomanip>#include <iostream>#include <cmath>#include <ctime>#include <cassert>#include <string>#include <vector>const double pi = acos(-1.0);using namespace std;int row = 0, col = 0;char Puzzle[5][5];int main(int argc, char* argv[]){#ifdef LOCAL	FILE* newFile;	freopen_s(&newFile, "out.txt", "w", stdout);	FILE* inFile;	freopen_s(&inFile, "in.txt", "r", stdin);#endif	cout << setiosflags(ios_base::fixed) << setPRecision(2);	int nPuzzle = 0;	bool first = true;	while (true)	{		//输入Puzzle		for (int i = 0; i < 5; ++i)		{			int k = 0;			while (true)			{				char ch;				cin.get(ch);				if (ch == 'Z')				{					goto tag;//多重循环，无奈，只能这样跳了				}				//找到空格				if (ch == ' ')				{					Puzzle[i][k] = ch;					row = i;					col = k;				}				//找到换行就读完了一行了,这里神坑！如果空格在最后一个，它居然直接是换行！				else if (ch == '/n')				{					if (k == 4)					{						Puzzle[i][k] = ' ';						row = i;						col = k;					}					break;				}				else				{					Puzzle[i][k] = ch;				}				++k;			}		}		++nPuzzle;		//处理Puzzle		//第二神坑，指令可能跨行！		string Word;		char temp; //为了下次处理，这个换行要去掉		while (true)		{			cin.get(temp);			if (temp == '0')			{				word += temp;				break;			}			else			{				word += temp;			}		}		cin.get();//为了下次处理，这个换行要去掉		//先输出头		if (!first)		{			cout <<endl << "Puzzle #" << nPuzzle << ':' << endl;		}		else		{			first = !first;			cout << "Puzzle #" << nPuzzle << ':' << endl;		}		for (auto element : word)		{			if (element == '0')			{				for (int i = 0; i < 5; ++i)				{					for (int k = 0; k < 4; ++k)					{						cout << Puzzle[i][k] << ' ';					}					cout << Puzzle[i][4] << endl;				}				break;			}			else if (element == 'A')			{				if (row == 0)				{					cout << "This puzzle has no final configuration." << endl;					break;				}				else				{					swap(Puzzle[row][col], Puzzle[row - 1][col]);					--row;				}			}			else if (element == 'B')			{				if (row == 4)				{					cout << "This puzzle has no final configuration." << endl;					break;				}				else				{					swap(Puzzle[row][col], Puzzle[row + 1][col]);					++row;				}			}			else if (element == 'L')			{				if (col == 0)				{					cout << "This puzzle has no final configuration." << endl;					break;				}				else				{					swap(Puzzle[row][col], Puzzle[row][col - 1]);					--col;				}			}			else if (element == 'R')			{				if (col == 4)				{					cout << "This puzzle has no final configuration." << endl;					break;				}				else				{					swap(Puzzle[row][col], Puzzle[row][col + 1]);					++col;				}			}		}	}tag:	return 0;}