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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#17985 | #2213. Knight | _silhouette_# | WA | 136ms | 51952kb | C++ | 1.4kb | 2022-01-15 16:00:43 | 2022-05-04 16:34:55 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int MAX=1e3;
const int fx[4]={1,1,-1,-1};
const int fy[4]={1,-1,1,-1};
int n,m,r,c,Num,tot,lin[MAX*MAX+5],vis[MAX*MAX+5],Dep[MAX*MAX+5];
char mp[MAX+5][MAX+5];
struct Edge{
int Id,Next;
} e[MAX*MAX*32+5];
int Id(int x,int y){
return (x-1)*m+y;
}
void Insert(int x,int y){
e[++Num].Next=lin[x]; lin[x]=Num; e[Num].Id=y;
}
void dfs(int x){
vis[x]=1; ++tot;
for(int i=lin[x];i;i=e[i].Next){
if(vis[e[i].Id]) continue;
Dep[e[i].Id]=Dep[x]^1;
dfs(e[i].Id);
}
}
bool In(int x,int y){
return x>=1&&x<=n&&y>=1&&y<=m;
}
int main(){
scanf("%d%d%d%d",&n,&m,&r,&c);
for(int i=1;i<=n;i++) scanf("%s",mp[i]+1);
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(mp[i][j]!='@')
for(int k=0;k<4;k++){
if(In(i+fx[k]*r,j+fy[k]*c)&&mp[i+fx[k]*r][j+fy[k]*c]!='@')
Insert(Id(i,j),Id(i+fx[k]*r,j+fy[k]*c)),
Insert(Id(i+fx[k]*r,j+fy[k]*c),Id(i,j));
if(In(i+fx[k]*c,j+fy[k]*r)&&mp[i+fx[k]*c][j+fy[k]*r]!='@')
Insert(Id(i,j),Id(i+fx[k]*c,j+fy[k]*r)),
Insert(Id(i+fx[k]*c,j+fy[k]*r),Id(i,j));
}
int sx=0,sy=0,ex=0,ey=0;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++){
if(mp[i][j]=='A') sx=i,sy=j;
if(mp[i][j]=='B') ex=i,ey=j;
}
dfs(Id(sx,sy));
if(tot==1) puts("Bob");
else if(!vis[Id(ex,ey)]) puts("Alice");
else {
if(Dep[Id(ex,ey)]) puts("Bob");
else puts("Alice");
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 11ms
memory: 22904kb
Test #2:
score: 0
Accepted
time: 3ms
memory: 10056kb
Test #3:
score: 0
Accepted
time: 68ms
memory: 41800kb
Test #4:
score: 0
Accepted
time: 40ms
memory: 30892kb
Test #5:
score: 0
Accepted
time: 4ms
memory: 9780kb
Test #6:
score: 0
Accepted
time: 4ms
memory: 12540kb
Test #7:
score: 0
Accepted
time: 1ms
memory: 9932kb
Test #8:
score: 0
Accepted
time: 3ms
memory: 9940kb
Test #9:
score: 0
Accepted
time: 10ms
memory: 17948kb
Test #10:
score: 0
Accepted
time: 2ms
memory: 16548kb
Test #11:
score: 0
Accepted
time: 5ms
memory: 15252kb
Test #12:
score: 0
Accepted
time: 9ms
memory: 32016kb
Test #13:
score: 0
Accepted
time: 19ms
memory: 22348kb
Test #14:
score: 0
Accepted
time: 9ms
memory: 26316kb
Test #15:
score: 0
Accepted
time: 15ms
memory: 19544kb
Test #16:
score: 0
Accepted
time: 8ms
memory: 16832kb
Test #17:
score: 0
Accepted
time: 2ms
memory: 9704kb
Test #18:
score: 0
Accepted
time: 8ms
memory: 16460kb
Test #19:
score: 0
Accepted
time: 3ms
memory: 14408kb
Test #20:
score: 0
Accepted
time: 4ms
memory: 15744kb
Test #21:
score: 0
Accepted
time: 4ms
memory: 7732kb
Test #22:
score: 0
Accepted
time: 3ms
memory: 9940kb
Test #23:
score: 0
Accepted
time: 3ms
memory: 9932kb
Test #24:
score: 0
Accepted
time: 14ms
memory: 14112kb
Test #25:
score: 0
Accepted
time: 12ms
memory: 17096kb
Test #26:
score: 0
Accepted
time: 0ms
memory: 9908kb
Test #27:
score: 0
Accepted
time: 0ms
memory: 9816kb
Test #28:
score: 0
Accepted
time: 136ms
memory: 51952kb
Test #29:
score: 0
Accepted
time: 7ms
memory: 9912kb
Test #30:
score: 0
Accepted
time: 14ms
memory: 20952kb
Test #31:
score: 0
Accepted
time: 4ms
memory: 17108kb
Test #32:
score: 0
Accepted
time: 0ms
memory: 9856kb
Test #33:
score: 0
Accepted
time: 101ms
memory: 42280kb
Test #34:
score: -100
Wrong Answer
time: 10ms
memory: 16916kb