这道题因为我把puzzle打成了Puzzle，卡了我很久…………真的太无语了。
题目链接如下：
Online Judge
我的代码如下：
#include <cstdio>
#include <cctype>
#include <set>
const int maxx = 10;int r, c, kase, cnt, temp;
char a[maxx][maxx];
int num[maxx][maxx];int main(){kase = 0;while(scanf("%d", &r) == 1 && r){scanf("%d", &c);getchar();cnt = 0;for(int i = 0; i < r; ++i){for(int j = 0; j < c; ++j){scanf("%c", &a[i][j]);if(isalpha(a[i][j]) && (i == 0 || j == 0 || a[i - 1][j] == '*' || a[i][j - 1] == '*')){num[i][j] = ++cnt;} else{num[i][j] = -1;}}getchar();}printf("%s", 0 == kase ? "" : "\n");printf("puzzle #%d:\nAcross\n", ++kase);for(int i = 0; i < r; ++i){for(int j = 0; j < c; ++j){if(isalpha(a[i][j])){printf("%3d.", num[i][j]);while(j < c && isalpha(a[i][j])){printf("%c", a[i][j]);++j;}printf("\n");}}}printf("Down\n");std::set<int> st;for(int j = 0; j < c; ++j){for(int i = 0; i < r; ++i){if(isalpha(a[i][j])){st.insert(num[i][j]);while(i < r && isalpha(a[i][j])){++i;}}}}for(int i = 0; i < r; ++i){for(int j = 0; j < c; ++j){if(st.find(num[i][j]) != st.end()){printf("%3d.", num[i][j]);temp = i;while(temp < r && isalpha(a[temp][j])){printf("%c", a[temp][j]);++temp;}printf("\n");}}}}return 0;
}
)
