Submission #1554536
Source Code Expand
#pragma GCC optimize("O3") #include<bits/stdc++.h> #define rc(x) return cout<<x<<endl,0 #define pb push_back #define in insert #define er erase #define fr first #define sc second typedef long long ll; const long long llinf=LLONG_MAX; const int inf=INT_MAX; const int nmax=1e5+5; const int mod=1e9+7; using namespace std; int n,m,k,i,j,l,r,viz[801][801],ans=1e8; pair<int,int>a[]={{1,0},{-1,0},{0,1},{0,-1}}; char c[801][801]; void solve(int i,int j) { viz[i][j]=1; int d=min(min(i,j),min(n-i-1,m-j-1)); ans=min(ans,(d+k-1)/k); for(int t=0;t<4;t++)if(i+a[t].fr>=0 && i+a[t].fr<n && j+a[t].sc>=0 && j+a[t].sc<m && !viz[i+a[t].fr][j+a[t].sc] && c[i+a[t].fr][j+a[t].sc]!='#' && abs(l-i-a[t].fr)+abs(r-j-a[t].sc)<=k)solve(i+a[t].fr,j+a[t].sc); } int main() { //freopen("sol.in","r",stdin); ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0); cin>>n>>m>>k; for(i=0;i<n;i++) for(j=0;j<m;j++) { cin>>c[i][j]; if(c[i][j]=='S')l=i,r=j; } solve(l,r); cout<<ans+1<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Closed Rooms |
User | abcde2002 |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 1048 Byte |
Status | AC |
Exec Time | 30 ms |
Memory | 15744 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in3.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in4.txt, in40.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 8 ms | 896 KB |
in10.txt | AC | 8 ms | 896 KB |
in11.txt | AC | 8 ms | 896 KB |
in12.txt | AC | 8 ms | 896 KB |
in13.txt | AC | 8 ms | 896 KB |
in14.txt | AC | 8 ms | 896 KB |
in15.txt | AC | 8 ms | 896 KB |
in16.txt | AC | 8 ms | 896 KB |
in17.txt | AC | 8 ms | 896 KB |
in18.txt | AC | 8 ms | 896 KB |
in19.txt | AC | 8 ms | 896 KB |
in2.txt | AC | 8 ms | 896 KB |
in20.txt | AC | 1 ms | 896 KB |
in21.txt | AC | 1 ms | 256 KB |
in22.txt | AC | 1 ms | 256 KB |
in23.txt | AC | 8 ms | 896 KB |
in24.txt | AC | 8 ms | 896 KB |
in25.txt | AC | 8 ms | 896 KB |
in26.txt | AC | 9 ms | 1536 KB |
in27.txt | AC | 8 ms | 896 KB |
in28.txt | AC | 15 ms | 4224 KB |
in29.txt | AC | 22 ms | 5632 KB |
in3.txt | AC | 8 ms | 896 KB |
in30.txt | AC | 11 ms | 2432 KB |
in31.txt | AC | 8 ms | 896 KB |
in32.txt | AC | 8 ms | 896 KB |
in33.txt | AC | 30 ms | 15744 KB |
in34.txt | AC | 29 ms | 15744 KB |
in35.txt | AC | 8 ms | 1024 KB |
in36.txt | AC | 8 ms | 896 KB |
in37.txt | AC | 8 ms | 896 KB |
in38.txt | AC | 9 ms | 896 KB |
in39.txt | AC | 8 ms | 896 KB |
in4.txt | AC | 8 ms | 896 KB |
in40.txt | AC | 8 ms | 896 KB |
in5.txt | AC | 8 ms | 896 KB |
in6.txt | AC | 8 ms | 896 KB |
in7.txt | AC | 8 ms | 896 KB |
in8.txt | AC | 8 ms | 896 KB |
in9.txt | AC | 8 ms | 896 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |