锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲国产成人久久综合区,国产精品gz久久久,精品综合久久久久久98http://www.shnenglu.com/Climber-pI/category/14907.htmlThrough the darkest dark錛宮ay we see the light.zh-cnThu, 23 Sep 2010 17:23:53 GMTThu, 23 Sep 2010 17:23:53 GMT60- UVa 10305http://www.shnenglu.com/Climber-pI/archive/2010/09/23/127450.htmlClimber.pIClimber.pIThu, 23 Sep 2010 13:43:00 GMThttp://www.shnenglu.com/Climber-pI/archive/2010/09/23/127450.htmlhttp://www.shnenglu.com/Climber-pI/comments/127450.htmlhttp://www.shnenglu.com/Climber-pI/archive/2010/09/23/127450.html#Feedback0http://www.shnenglu.com/Climber-pI/comments/commentRss/127450.htmlhttp://www.shnenglu.com/Climber-pI/services/trackbacks/127450.html铏界劧AC浜嗭紝浣嗚繕鏄寰楄嚜宸卞緢涓嶅湪鐘舵?
1
#include<stdio.h>
2
#include<string.h>
3
bool G[110][110];
4
int in[110], m, n;
5
struct stack
{
6
int q[110], t;
7
stack()
{memset(q, 0, sizeof(q)); t= 0;}
8
void push(int x)
{q[++t] = x;}
9
int pop()
{return q[t--];}
10
bool empty()
{return t ? 0 : 1;}
11
};
12
void toposort()
{
13
stack s;
14
int p[110], t = 0, i, j;
15
bool flag[110] =
{0};
16
for (;;)
{
17
if (t == m) break;
18
for (i = 1; i <= m; i++)
19
if (!in[i] && !flag[i]) s.push(i);
20
while (!s.empty())
{
21
i = s.pop();
22
p[++t] = i;
23
flag[i] = 1;
24
for (j = 1; j <= m; j++)
25
if (G[i][j]) in[j]--;
26
}
27
}
28
for (i = 1; i < t; i++)
29
printf("%d ", p[i]);
30
printf("%d\n", p[t]);
31
}
32
int main()
{
33
int i, x, y;
34
while (scanf("%d%d", &m, &n) == 2 && (m || n))
{
35
memset(G, 0, sizeof(G));
36
memset(in, 0, sizeof(in));
37
for (i = 1; i <= n; i++)
{
38
scanf("%d%d", &x, &y);
39
G[x][y] = 1;
40
in[y]++;
41
}
42
toposort();
43
}
44
}
45

]]>
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