1
#include<stdio.h>
2#include<string.h>
3int nd[16][16];
4int hash[16];
5int max;
6int n;
7void dfs(int x,int y,int k)
8
{
9
int i;
10 if(max<y)
11
{
12 max=y;
13
}
14 for(i=0;i<n;i++)
15 {
16 if(hash[i]&&k<=nd[x][i])
17 {
18 hash[i]=0;
19 dfs(i,y+1,nd[x][i]);
20 hash[i]=1;
21 }
22 }
23 return;
24
}
25int main()
26{
27 int i,j,k;
28 while(scanf("%d",&n)!=EOF)
29 {
30 for(i=0;i<n;i++)
31 {
32 for(j=0;j<n;j++)
33 {
34 scanf("%d",&nd[i][j]);
35 }
36 }
37 memset(hash,1,sizeof(hash));
38 hash[0]=0;
39 max=-1;
40 dfs(0,1,0);
41 printf("%d\n",max);
42 }
43}
44
45
posted @
2009-01-27 14:08 混沌的云 阅读(116) |
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编辑 收藏 1#include<stdio.h>
2#include<string.h>
3int main()
4{
5 char a[10001],b[10001]={0};
6 int i,j,k,c,l,n,hash[4];
7 while(gets(a))
8 {
9 l=strlen(a);
10 memset(hash,0,sizeof(hash));
11 k=0;
12 j=0;
13 c=0;
14 for(i=0;i<l;i++)
15 {
16 if(a[i]=='h'||a[i]=='a'||a[i]=='p'||a[i]=='y')
17 {
18 b[k]=a[i];
19 k++;
20 }
21 }
22 b[k]='\0';
23 l=strlen(b);
24 k=0;
25 for(i=0;i<l;i++)
26 {
27 if(b[i]=='h')
28 {
29 hash[0]++;
30 }
31 if(b[i]=='a')
32 {
33 if((hash[1]+1)<=hash[0])
34 {
35 hash[1]++;
36 }
37 b[i]=' ';
38
39 }
40 if(b[i]=='p')
41 {
42 if((hash[2]+1)<=2*hash[1])
43 {
44 hash[2]++;
45 }
46 b[i]=' ';
47
48 }
49 if(b[i]=='y')
50 {
51 if((hash[3]+1)*2<=hash[2])
52 {
53 hash[3]++;
54 }
55 b[i]=' ';
56
57 }
58 }
59 while(hash[3]&&hash[2]>=2)
60 {
61 c++;
62 hash[0]-=1;
63 hash[1]-=1;
64 hash[2]-=2;
65 hash[3]-=1;
66 }
67
68
69 printf("%d\n",c);
70 }
71
72}
posted @
2009-01-27 14:07 混沌的云 阅读(211) |
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编辑 收藏 1#include<stdio.h>
2#include<string.h>
3#include<stdlib.h>
4char a[10000][1000];
5int cmp(const void *a,const void *b)
6{
7 return strcmp((char *)a,(char *)b);
8}
9int zh(char *s, int l)//最小表示法 从return值开始为最小
10{
11 int i = 0, j = 1, k = 0, t;
12 while (i < l && j < l && k < l)
13 {
14 t = s[(i + k)%l] - s[(j + k)%l];
15 if (!t) ++ k;
16 else
17 {
18 if (t > 0)
19 {
20 i = i + k + 1;
21 }
22 else
23 {
24 j = j + k + 1;
25 }
26 if (i == j) ++j;
27 k = 0;
28 }
29 }
30 return i>j?j:i;
31}
32int main()
33{
34 int n,si,q,l;
35 int i,j,p,c,k;
36 char b[1000],cc[1000];
37 while(scanf("%d",&n)!=EOF)
38 {
39 c=0;
40 memset(a,0,sizeof(a));
41 getchar();
42 for(i=0;i<n;i++)
43 {
44 scanf("%s",b);
45 l=strlen(b);
46 si=zh(b,l);
47 for(j=si,k=0;j<l;j++,k++)
48 {
49 a[i][k]=b[j];
50 }
51 for(j=0;j<si;j++,k++)
52 {
53 a[i][k]=b[j];
54 }
55 a[i][k]='\0';
56 }
57 qsort(a,n,sizeof(a[i]),cmp);
58 c=1;
59 for(i=1;i<n;i++)
60 {
61 if(strcmp(a[i-1],a[i])!=0)
62 c++;
63 }
64 printf("%d\n",c);
65 }
66}
67
68
posted @
2009-01-27 14:06 混沌的云 阅读(211) |
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编辑 收藏 1#include<stdio.h>
2#include<string.h>
3int n,m;
4int a[10],b[10];
5int max=9999;
6int hash[10];
7void dfs(int x,int y)
8{
9 int i;
10 if(x>n)
11 {
12 return;
13 }
14 if(y<=0)
15 {
16 if(max>x)
17 {
18 max=x;
19 }
20 return;
21 }
22
23 for(i=0;i<n;i++)
24 {
25 if(hash[i])
26 {
27 hash[i]=0;
28 if(y<=b[i])
29 {
30 dfs(x+1,y-2*a[i]);
31
32 }else
33 {
34 dfs(x+1,y-a[i]);
35 }
36 hash[i]=1;
37 }
38 }
39 return;
40}
41int main()
42{
43 int i,j,k,l;
44 while(scanf("%d%d",&n,&m)!=EOF)
45 {
46 for(i=0;i<n;i++)
47 {
48 scanf("%d%d",&a[i],&b[i]);
49 }
50 memset(hash,1,sizeof(hash));
51 max=9999;
52 dfs(0,m);
53 if(max!=9999)
54 printf("%d\n",max);
55 else
56 puts("-1");
57 }
58}
posted @
2009-01-27 14:06 混沌的云 阅读(173) |
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编辑 收藏 1#include<stdio.h>
2#include<string.h>
3 __int64 C(__int64 n, __int64 m)
4 {
5 __int64 i, j;
6 if (m > n/2) m = n - m;
7 for (i = 1, j = 1;i <= m; i++)
8 {
9 j = j * (n + 1 - i) / i;
10 }
11 return j;
12 }
13int main ()
14{
15 int i,j,t;
16 __int64 k1,k2,k;
17 __int64 m,n;
18
19 while(scanf("%I64d%I64d",&n,&m)!=EOF&&n||m)
20 {
21 t=m>n?n:m;
22
23 printf("%I64d\n",C(m+n,t));
24 }
25 return 1;
26}
27
posted @
2009-01-27 14:04 混沌的云 阅读(136) |
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摘要: 1#include<stdio.h> 2#include<string.h> 3int main() 4{ 5 char nek[1000],bf[1000]; 6 ...
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posted @
2009-01-27 14:03 混沌的云 阅读(122) |
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编辑 收藏 1#include<stdio.h>
2#include<stdlib.h>
3struct pp
4{
5 int x,y,z,t;
6 struct pp * next;
7};
8int n,m,b,time;
9int map[50][50][50];
10int dir[6][3]={{1,0,0},{-1,0,0},{0,1,0},{0,-1,0},{0,0,1},{0,0,-1}};
11int bfs(struct pp * head)
12{
13 int d,e,f,i;
14 struct pp *p,*q;
15 p=head->next;
16 while(head->next)
17 {
18 for(i=0;i<6;i++)
19 {
20 d=head->next->x+dir[i][0];
21 e=head->next->y+dir[i][1];
22 f=head->next->z+dir[i][2];
23 if(d>=0&&d<b&&e>=0&&e<n&&f>=0&&f<m&&map[d][e][f]==0)
24 {
25 map[d][e][f]=1;
26 if(d==b-1&&e==n-1&&f==m-1)
27 return head->next->t+1;
28 q=(struct pp *)malloc(20);
29 q->t=head->next->t+1;
30 if(q->t>=time)
31 continue;
32 q->x=d;
33 q->y=e;
34 q->z=f;
35 q->next=NULL;
36 p->next=q;
37 p=q;
38 }
39 }
40 head->next=head->next->next;
41 }
42 return 0;
43}
44int main()
45{
46 int i,j,l,t,num;
47 struct pp head;
48 struct pp *p;
49 scanf("%d",&t);
50 while(t--)
51 {
52 scanf("%d%d%d%d",&b,&n,&m,&time);
53 for(i=0;i<b;i++)
54 for(j=0;j<n;j++)
55 for(l=0;l<m;l++)
56 scanf("%d",&map[i][j][l]);
57 if(b+m+n-3>time)
58 {puts("-1");continue;}
59 if(n==1&&m==1&&b==1)
60 {puts("0");continue;}
61 p=(struct pp *)malloc(20);
62 head.next=p;;
63 p->next=NULL;
64 p->x=0;p->y=0;p->z=0;p->t=0;
65 num=bfs(&head);
66 free(p);
67 if(num)
68 printf("%d\n",num);
69 else
70 printf("-1\n");
71 }
72}
posted @
2009-01-18 22:24 混沌的云 阅读(274) |
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摘要: 1#include<stdio.h> 2#include<stdlib.h> 3#include<string.h> 4struct ff{ 5 int a,b,c,d; &n...
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posted @
2009-01-18 22:22 混沌的云 阅读(256) |
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#include<stdio.h>
#include<string.h>
#include<stdlib.h>
struct dictree
{
struct dictree *child[26];
int n;
};
struct dictree *newnode()
{
int i;
struct dictree *t;
t=(struct dictree*)malloc(sizeof(struct dictree));
t->n=0;
for(i=0;i<26;i++)t->child[i]=NULL;
return t;
}
struct dictree *root;
int main()
{
char a[1000],b[1000];
int i,j,k,l,n;
struct dictree *s=newnode();
//freopen("d:\\abc.txt","w",stdout);
root=newnode();
s=root;
while(gets(a))
{
if(a[0]=='\0')
{
break;
}
l=strlen(a);
s=root;
for(i=0;i<l;i++)
{
n=a[i]-'a';
if(s->child[n])
s=s->child[n];
else
{
s->child[n]=newnode();
s=s->child[n];
}
s->n++;
}
}
k=0;
j=0;
while(scanf("%s",b)!=EOF)
{
/**//*if(k)
printf("\n");
else
k++;*/
j=1;
s=root;
for(i=0;i<strlen(b);i++)
{
n=b[i]-'a';
if(s->child[n])
s=s->child[n];
else
{
printf("0\n");
j=0;
break;
}
}
if(j)
printf("%d\n",s->n);
}
}
posted @
2009-01-18 22:20 混沌的云 阅读(163) |
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因为要搞acm，163存代码不方便，就开到这里来了~~~
posted @
2009-01-18 22:18 混沌的云 阅读(113) |
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