| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 57578 |
2018-07-15T09:24:44 Z |
Bodo171 |
Mecho (IOI09_mecho) |
C++14 |
|
286 ms |
10764 KB |
#include <iostream>
#include <fstream>
using namespace std;
const int nmax=805;
int d1[]={-1,0,1,0};
int d2[]={0,-1,0,1};
int d[nmax][nmax],a[nmax][nmax];
string s;
pair<int,int> q[nmax*nmax];
int p,u,n,m,i,j,li,ci,lf,cf,l1,l2,c1,c2,S,ans;
bool ok(int X,int Y)
{
return (X>=1&&Y>=1&&X<=n&&Y<=n);
}
void bfs()
{
p=1;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][j]==0)
q[++u]={i,j};
for(p=1;p<=u;p++)
{
li=q[p].first;ci=q[p].second;
for(i=0;i<4;i++)
{
lf=li+d1[i];cf=ci+d2[i];
if(ok(lf,cf)&&a[li][ci]+1<a[lf][cf])
{
a[lf][cf]=a[li][ci]+1;
q[++u]={lf,cf};
}
}
}
}
bool check(int val)
{
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(d[i][j]!=-1)
d[i][j]=0;
d[l1][c1]=1;
q[p=u=1]={l1,c1};
for(p=1;p<=u;p++)
{
li=q[p].first;ci=q[p].second;
if((d[li][ci]-2)/S+val>=a[li][ci]) continue;
if(li==l2&&ci==c2) return 1;
for(i=0;i<4;i++)
{
lf=li+d1[i];cf=ci+d2[i];
if(ok(lf,cf)&&(!d[lf][cf]))
{
d[lf][cf]=d[li][ci]+1;
q[++u]={lf,cf};
}
}
}
return 0;
}
int main()
{
//freopen("data.in","r",stdin);
cin>>n>>S;
for(i=0;i<=n+1;i++)
for(j=0;j<=n+1;j++)
a[i][j]=(1<<30);
for(i=1;i<=n;i++)
{
cin>>s;
for(j=0;j<n;j++)
{
if(s[j]=='T') d[i][j+1]=a[i][j+1]=-1;
if(s[j]=='M') l1=i,c1=j+1;
if(s[j]=='D') l2=i,c2=j+1;
if(s[j]=='H') a[i][j+1]=0;
}
}
bfs();
for(int pu=10;pu>=0;pu--)
if(check(ans+(1<<pu)))
ans+=(1<<pu);
cout<<ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
| 2 |
Incorrect |
2 ms |
484 KB |
Output isn't correct |
| 3 |
Incorrect |
2 ms |
484 KB |
Output isn't correct |
| 4 |
Incorrect |
3 ms |
484 KB |
Output isn't correct |
| 5 |
Correct |
2 ms |
512 KB |
Output is correct |
| 6 |
Incorrect |
2 ms |
544 KB |
Output isn't correct |
| 7 |
Incorrect |
184 ms |
10576 KB |
Output isn't correct |
| 8 |
Incorrect |
2 ms |
10576 KB |
Output isn't correct |
| 9 |
Correct |
3 ms |
10576 KB |
Output is correct |
| 10 |
Correct |
4 ms |
10576 KB |
Output is correct |
| 11 |
Correct |
3 ms |
10576 KB |
Output is correct |
| 12 |
Incorrect |
3 ms |
10576 KB |
Output isn't correct |
| 13 |
Correct |
2 ms |
10576 KB |
Output is correct |
| 14 |
Incorrect |
4 ms |
10576 KB |
Output isn't correct |
| 15 |
Incorrect |
3 ms |
10576 KB |
Output isn't correct |
| 16 |
Correct |
4 ms |
10576 KB |
Output is correct |
| 17 |
Incorrect |
2 ms |
10576 KB |
Output isn't correct |
| 18 |
Correct |
2 ms |
10576 KB |
Output is correct |
| 19 |
Incorrect |
2 ms |
10576 KB |
Output isn't correct |
| 20 |
Correct |
3 ms |
10576 KB |
Output is correct |
| 21 |
Incorrect |
2 ms |
10576 KB |
Output isn't correct |
| 22 |
Correct |
2 ms |
10576 KB |
Output is correct |
| 23 |
Incorrect |
3 ms |
10576 KB |
Output isn't correct |
| 24 |
Correct |
2 ms |
10576 KB |
Output is correct |
| 25 |
Incorrect |
2 ms |
10576 KB |
Output isn't correct |
| 26 |
Correct |
3 ms |
10576 KB |
Output is correct |
| 27 |
Correct |
3 ms |
10576 KB |
Output is correct |
| 28 |
Correct |
3 ms |
10576 KB |
Output is correct |
| 29 |
Incorrect |
4 ms |
10576 KB |
Output isn't correct |
| 30 |
Correct |
4 ms |
10576 KB |
Output is correct |
| 31 |
Incorrect |
3 ms |
10576 KB |
Output isn't correct |
| 32 |
Correct |
4 ms |
10576 KB |
Output is correct |
| 33 |
Incorrect |
12 ms |
10576 KB |
Output isn't correct |
| 34 |
Incorrect |
12 ms |
10576 KB |
Output isn't correct |
| 35 |
Correct |
34 ms |
10576 KB |
Output is correct |
| 36 |
Incorrect |
18 ms |
10576 KB |
Output isn't correct |
| 37 |
Incorrect |
12 ms |
10576 KB |
Output isn't correct |
| 38 |
Correct |
43 ms |
10576 KB |
Output is correct |
| 39 |
Incorrect |
22 ms |
10576 KB |
Output isn't correct |
| 40 |
Incorrect |
28 ms |
10576 KB |
Output isn't correct |
| 41 |
Correct |
59 ms |
10576 KB |
Output is correct |
| 42 |
Incorrect |
20 ms |
10576 KB |
Output isn't correct |
| 43 |
Incorrect |
20 ms |
10576 KB |
Output isn't correct |
| 44 |
Correct |
64 ms |
10576 KB |
Output is correct |
| 45 |
Incorrect |
30 ms |
10576 KB |
Output isn't correct |
| 46 |
Incorrect |
59 ms |
10576 KB |
Output isn't correct |
| 47 |
Correct |
103 ms |
10576 KB |
Output is correct |
| 48 |
Incorrect |
27 ms |
10576 KB |
Output isn't correct |
| 49 |
Incorrect |
29 ms |
10576 KB |
Output isn't correct |
| 50 |
Correct |
174 ms |
10576 KB |
Output is correct |
| 51 |
Incorrect |
41 ms |
10576 KB |
Output isn't correct |
| 52 |
Incorrect |
46 ms |
10576 KB |
Output isn't correct |
| 53 |
Correct |
222 ms |
10576 KB |
Output is correct |
| 54 |
Incorrect |
62 ms |
10576 KB |
Output isn't correct |
| 55 |
Incorrect |
37 ms |
10576 KB |
Output isn't correct |
| 56 |
Correct |
189 ms |
10576 KB |
Output is correct |
| 57 |
Incorrect |
43 ms |
10576 KB |
Output isn't correct |
| 58 |
Incorrect |
47 ms |
10576 KB |
Output isn't correct |
| 59 |
Correct |
188 ms |
10576 KB |
Output is correct |
| 60 |
Incorrect |
47 ms |
10576 KB |
Output isn't correct |
| 61 |
Incorrect |
50 ms |
10576 KB |
Output isn't correct |
| 62 |
Correct |
278 ms |
10576 KB |
Output is correct |
| 63 |
Correct |
233 ms |
10576 KB |
Output is correct |
| 64 |
Correct |
286 ms |
10576 KB |
Output is correct |
| 65 |
Correct |
276 ms |
10576 KB |
Output is correct |
| 66 |
Incorrect |
216 ms |
10576 KB |
Output isn't correct |
| 67 |
Incorrect |
194 ms |
10576 KB |
Output isn't correct |
| 68 |
Correct |
117 ms |
10576 KB |
Output is correct |
| 69 |
Correct |
136 ms |
10576 KB |
Output is correct |
| 70 |
Correct |
107 ms |
10576 KB |
Output is correct |
| 71 |
Correct |
111 ms |
10576 KB |
Output is correct |
| 72 |
Correct |
102 ms |
10576 KB |
Output is correct |
| 73 |
Correct |
78 ms |
10600 KB |
Output is correct |
| 74 |
Correct |
114 ms |
10620 KB |
Output is correct |
| 75 |
Correct |
124 ms |
10740 KB |
Output is correct |
| 76 |
Correct |
176 ms |
10740 KB |
Output is correct |
| 77 |
Correct |
105 ms |
10752 KB |
Output is correct |
| 78 |
Incorrect |
126 ms |
10752 KB |
Output isn't correct |
| 79 |
Correct |
84 ms |
10752 KB |
Output is correct |
| 80 |
Correct |
98 ms |
10752 KB |
Output is correct |
| 81 |
Correct |
107 ms |
10752 KB |
Output is correct |
| 82 |
Correct |
101 ms |
10752 KB |
Output is correct |
| 83 |
Correct |
178 ms |
10752 KB |
Output is correct |
| 84 |
Correct |
102 ms |
10752 KB |
Output is correct |
| 85 |
Correct |
133 ms |
10752 KB |
Output is correct |
| 86 |
Correct |
119 ms |
10752 KB |
Output is correct |
| 87 |
Correct |
121 ms |
10752 KB |
Output is correct |
| 88 |
Correct |
128 ms |
10752 KB |
Output is correct |
| 89 |
Correct |
118 ms |
10764 KB |
Output is correct |
| 90 |
Correct |
136 ms |
10764 KB |
Output is correct |
| 91 |
Correct |
130 ms |
10764 KB |
Output is correct |
| 92 |
Correct |
149 ms |
10764 KB |
Output is correct |
