题目链接：
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=104&page=show_problem&problem=1503
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cctype>
using namespace std;
char disk[205][205];
char ourTree[200000];
int line[205];
int r;
inline bool IsNode(char c)
{
return isprint(c) && c != '|' && c != '-' && c != ' ' && c != '#';
}
void ConvertTree(int row, int col, int &idx)
{
ourTree[idx++] = disk[row][col];
ourTree[idx++] = '(';
if(row + 1 < r && col < line[row + 1] && disk[row + 1][col] == '|')
{
int rr = row + 2;
int left = col, right = col;
for( ; left > 0 && disk[rr][left - 1] == '-'; --left);
for( ; right < line[rr] - 1 && disk[rr][right + 1] == '-'; ++right);
for(int i = left; i <= right; ++i)
{
if(i < line[rr + 1] && IsNode(disk[rr + 1][i]))
ConvertTree(rr + 1, i, idx);
}
}
ourTree[idx++] = ')';
}
int main()
{
int ca;
scanf("%d", &ca);
getchar();
while(ca--)
{
r = 0;
memset(disk, 0, sizeof(disk)); //注意每轮开始时清空数组。如果去掉该句，会wa.
while(gets(disk[r]) && disk[r][0] != '#')
{
line[r] = strlen(disk[r]);
++r;
}
int idx = 0;
ourTree[idx++] = '(';
for(int i = 0; i < line[0]; ++i)
{
if(IsNode(disk[0][i]))
ConvertTree(0, i, idx);
}
ourTree[idx++] = ')';
ourTree[idx++] = '\0';
printf("%s\n", ourTree);
}
return 0;
}
posted on 2011-12-02 18:32
wuxu 阅读(327)
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