Submission #2115356
Source Code Expand
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#define fo(i,a,b) for(int i=a;i<=b;i++)
#define fod(i,a,b) for(int i=a;i>=b;i--)
#define efo(i,q) for(int i=A[q];i;i=B[i][0])
using namespace std;
const int N=10500,INF=1e9;
int read(int &n)
{
char ch=' ';int q=0,w=1;
for(;(ch!='-')&&((ch<'0')||(ch>'9'));ch=getchar());
if(ch=='-')w=-1,ch=getchar();
for(;ch>='0' && ch<='9';ch=getchar())q=q*10+ch-48;n=q*w;return n;
}
int m,n,ans;
int S,T;
int B[2*N][3],A[N],B0=1;
int Hv[N],H[N];
void link(int q,int w,int e,int e1=1)
{
B[++B0][0]=A[q],A[q]=B0,B[B0][1]=w,B[B0][2]=e;
B[++B0][0]=A[w],A[w]=B0,B[B0][1]=q,B[B0][2]=e1;
}
int aug(int q,int e)
{
if(q==T)return e;
int mi=T+10;
efo(i,q)if(B[i][2])
{
if(H[B[i][1]]+1==H[q])
{
int t=aug(B[i][1],min(e,B[i][2]));
if(t)
{
B[i][2]-=t;
B[i^1][2]+=t;
return t;
}
}
mi=min(mi,H[B[i][1]]);
}
if(!(--Hv[H[q]]))H[S]=T+10;
++Hv[H[q]=mi+1];
return 0;
}
int main()
{
int q,w;
read(n),read(m);
S=0,T=n+m+1;
fo(i,1,n)
{
char ch=' ';
for(;ch!='.'&&ch!='o'&&ch!='S'&&ch!='T';ch=getchar());
fo(j,1,m)
{
if(ch=='o')link(i,j+n,1);
if(ch=='S')link(S,j+n,INF,0),link(S,i,INF,0);
if(ch=='T')link(j+n,T,INF,0),link(i,T,INF,0);
ch=getchar();
}
}
for(Hv[0]=T+1;H[0]<T;ans+=aug(S,INF));
if(ans>=INF)printf("-1\n");
else printf("%d\n",ans);
return 0;
}
Submission Info
Submission Time |
|
Task |
F - Lotus Leaves |
User |
HowarLee |
Language |
C++14 (GCC 5.4.1) |
Score |
800 |
Code Size |
1421 Byte |
Status |
AC |
Exec Time |
5 ms |
Memory |
384 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
800 / 800 |
Status |
|
|
Set Name |
Test Cases |
Sample |
0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All |
0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt |
Case Name |
Status |
Exec Time |
Memory |
0_00.txt |
AC |
1 ms |
128 KB |
0_01.txt |
AC |
1 ms |
128 KB |
0_02.txt |
AC |
1 ms |
128 KB |
0_03.txt |
AC |
1 ms |
128 KB |
1_00.txt |
AC |
1 ms |
128 KB |
1_01.txt |
AC |
1 ms |
128 KB |
1_02.txt |
AC |
1 ms |
128 KB |
1_03.txt |
AC |
1 ms |
128 KB |
1_04.txt |
AC |
1 ms |
128 KB |
1_05.txt |
AC |
2 ms |
256 KB |
1_06.txt |
AC |
1 ms |
384 KB |
1_07.txt |
AC |
1 ms |
128 KB |
1_08.txt |
AC |
2 ms |
256 KB |
1_09.txt |
AC |
1 ms |
384 KB |
1_10.txt |
AC |
1 ms |
256 KB |
1_11.txt |
AC |
1 ms |
256 KB |
1_12.txt |
AC |
1 ms |
128 KB |
1_13.txt |
AC |
1 ms |
256 KB |
1_14.txt |
AC |
2 ms |
256 KB |
1_15.txt |
AC |
3 ms |
256 KB |
1_16.txt |
AC |
1 ms |
256 KB |
1_17.txt |
AC |
1 ms |
256 KB |
1_18.txt |
AC |
1 ms |
256 KB |
1_19.txt |
AC |
1 ms |
256 KB |
1_20.txt |
AC |
3 ms |
256 KB |
1_21.txt |
AC |
1 ms |
128 KB |
1_22.txt |
AC |
3 ms |
256 KB |
1_23.txt |
AC |
2 ms |
256 KB |
1_24.txt |
AC |
1 ms |
128 KB |
1_25.txt |
AC |
2 ms |
256 KB |
1_26.txt |
AC |
2 ms |
256 KB |
1_27.txt |
AC |
2 ms |
256 KB |
1_28.txt |
AC |
1 ms |
256 KB |
1_29.txt |
AC |
2 ms |
256 KB |
1_30.txt |
AC |
1 ms |
256 KB |
1_31.txt |
AC |
4 ms |
256 KB |
1_32.txt |
AC |
5 ms |
256 KB |
1_33.txt |
AC |
1 ms |
128 KB |
1_34.txt |
AC |
2 ms |
256 KB |
1_35.txt |
AC |
5 ms |
256 KB |
1_36.txt |
AC |
2 ms |
256 KB |
1_37.txt |
AC |
1 ms |
256 KB |
1_38.txt |
AC |
1 ms |
256 KB |
1_39.txt |
AC |
4 ms |
256 KB |
1_40.txt |
AC |
1 ms |
256 KB |
1_41.txt |
AC |
2 ms |
256 KB |
1_42.txt |
AC |
1 ms |
128 KB |
1_43.txt |
AC |
1 ms |
256 KB |
1_44.txt |
AC |
1 ms |
128 KB |
1_45.txt |
AC |
2 ms |
256 KB |
1_46.txt |
AC |
1 ms |
256 KB |
1_47.txt |
AC |
1 ms |
128 KB |
1_48.txt |
AC |
1 ms |
256 KB |
1_49.txt |
AC |
2 ms |
256 KB |