Submission #1774230
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define N 1116 int n,m,k,d[N][N]; char a[N][N]; queue<pair<int,int> > q; int dx[]={-1,0,0,1},dy[]={0,-1,1,0}; int read(){ int x=0,f=1;char ch=getchar(); for (;!isdigit(ch);ch=getchar()) if (ch=='-') f=-f; for (;isdigit(ch);ch=getchar()) x=x*10+ch-'0'; return x*f; } int main(){ n=read();m=read();k=read(); memset(d,0x3f,sizeof(d)); for (int i=1;i<=n;i++){ scanf(" %s",a[i]+1); for (int j=1;j<=m;j++) if (a[i][j]=='S') d[i][j]=0,q.push(make_pair(i,j)); } while (!q.empty()){ int x=q.front().first,y=q.front().second;q.pop(); for (int i=0;i<4;i++){ int tx=x+dx[i],ty=y+dy[i]; if (a[tx][ty]=='.'&&d[tx][ty]==0x3f3f3f3f) d[tx][ty]=d[x][y]+1,q.push(make_pair(tx,ty)); } } int ans=0x3fffffff; for (int i=1;i<=n;i++) for (int j=1;j<=m;j++) if (d[i][j]<=k) ans=min(ans,1+(min(min(i-1,n-i),min(j-1,m-j))+k-1)/k); printf("%d\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Closed Rooms |
User | Kuugo |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 970 Byte |
Status | AC |
Exec Time | 23 ms |
Memory | 6016 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:21:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf(" %s",a[i]+1); ^
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 | 7 ms | 6016 KB |
in10.txt | AC | 6 ms | 6016 KB |
in11.txt | AC | 6 ms | 6016 KB |
in12.txt | AC | 6 ms | 6016 KB |
in13.txt | AC | 6 ms | 6016 KB |
in14.txt | AC | 6 ms | 6016 KB |
in15.txt | AC | 6 ms | 6016 KB |
in16.txt | AC | 6 ms | 6016 KB |
in17.txt | AC | 6 ms | 6016 KB |
in18.txt | AC | 6 ms | 6016 KB |
in19.txt | AC | 6 ms | 6016 KB |
in2.txt | AC | 6 ms | 6016 KB |
in20.txt | AC | 3 ms | 6016 KB |
in21.txt | AC | 3 ms | 5120 KB |
in22.txt | AC | 3 ms | 5120 KB |
in23.txt | AC | 6 ms | 6016 KB |
in24.txt | AC | 6 ms | 6016 KB |
in25.txt | AC | 6 ms | 6016 KB |
in26.txt | AC | 21 ms | 6016 KB |
in27.txt | AC | 20 ms | 6016 KB |
in28.txt | AC | 21 ms | 6016 KB |
in29.txt | AC | 23 ms | 6016 KB |
in3.txt | AC | 6 ms | 6016 KB |
in30.txt | AC | 21 ms | 6016 KB |
in31.txt | AC | 21 ms | 6016 KB |
in32.txt | AC | 20 ms | 6016 KB |
in33.txt | AC | 21 ms | 6016 KB |
in34.txt | AC | 20 ms | 6016 KB |
in35.txt | AC | 18 ms | 6016 KB |
in36.txt | AC | 6 ms | 6016 KB |
in37.txt | AC | 6 ms | 6016 KB |
in38.txt | AC | 6 ms | 6016 KB |
in39.txt | AC | 18 ms | 6016 KB |
in4.txt | AC | 6 ms | 6016 KB |
in40.txt | AC | 18 ms | 6016 KB |
in5.txt | AC | 6 ms | 6016 KB |
in6.txt | AC | 6 ms | 6016 KB |
in7.txt | AC | 6 ms | 6016 KB |
in8.txt | AC | 6 ms | 6016 KB |
in9.txt | AC | 6 ms | 6016 KB |
sample1.txt | AC | 3 ms | 5120 KB |
sample2.txt | AC | 3 ms | 5120 KB |
sample3.txt | AC | 3 ms | 5120 KB |