QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#61027 | #2213. Knight | crazy_sea | AC ✓ | 89ms | 63064kb | C++11 | 802b | 2022-11-09 09:29:02 | 2022-11-09 09:29:04 |
Judging History
answer
#include<cstdio>
#include<vector>
using namespace std;
const int N=1e3+10;
char str[N];
int n,m,x1,y1,x2,y2,r,c,cnt;
bool vis[N][N],p[N][N],col[N][N];
vector<int> f1,f2;
bool chk(int x,int y)
{
if(x<1||y<1||x>n||y>m||p[x][y]) return 0;
return !vis[x][y];
}
void dfs(int x,int y)
{
vis[x][y]=1,cnt++;
for(int i=0;i<8;i++)
if(chk(x+f1[i],y+f2[i]))
col[x+f1[i]][y+f2[i]]=!col[x][y],dfs(x+f1[i],y+f2[i]);
}
int main()
{
scanf("%d%d%d%d",&n,&m,&r,&c);
f1={-r,-c,c,r,r,c,-c,-r},f2={c,r,r,c,-c,-r,-r,-c};
for(int i=1;i<=n;i++)
{
scanf("%s",str);
for(int j=1;j<=m;j++)
if(str[j-1]=='A') x1=i,y1=j;
else if(str[j-1]=='B') x2=i,y2=j;
else if(str[j-1]=='@') p[i][j]=1;
}
dfs(x1,y1);
printf("%s",cnt>1&&(!vis[x2][y2]||col[x2][y2]==0)?"Alice":"Bob");
}
Details
Test #1:
score: 100
Accepted
time: 1ms
memory: 3692kb
Test #2:
score: 0
Accepted
time: 0ms
memory: 3104kb
Test #3:
score: 0
Accepted
time: 12ms
memory: 12372kb
Test #4:
score: 0
Accepted
time: 13ms
memory: 9788kb
Test #5:
score: 0
Accepted
time: 3ms
memory: 3096kb
Test #6:
score: 0
Accepted
time: 1ms
memory: 3456kb
Test #7:
score: 0
Accepted
time: 1ms
memory: 2940kb
Test #8:
score: 0
Accepted
time: 5ms
memory: 3340kb
Test #9:
score: 0
Accepted
time: 7ms
memory: 3720kb
Test #10:
score: 0
Accepted
time: 3ms
memory: 3796kb
Test #11:
score: 0
Accepted
time: 0ms
memory: 3740kb
Test #12:
score: 0
Accepted
time: 11ms
memory: 4056kb
Test #13:
score: 0
Accepted
time: 5ms
memory: 7420kb
Test #14:
score: 0
Accepted
time: 9ms
memory: 4044kb
Test #15:
score: 0
Accepted
time: 0ms
memory: 4968kb
Test #16:
score: 0
Accepted
time: 5ms
memory: 5008kb
Test #17:
score: 0
Accepted
time: 2ms
memory: 4892kb
Test #18:
score: 0
Accepted
time: 3ms
memory: 4408kb
Test #19:
score: 0
Accepted
time: 3ms
memory: 3088kb
Test #20:
score: 0
Accepted
time: 1ms
memory: 4928kb
Test #21:
score: 0
Accepted
time: 2ms
memory: 5160kb
Test #22:
score: 0
Accepted
time: 5ms
memory: 5108kb
Test #23:
score: 0
Accepted
time: 0ms
memory: 5148kb
Test #24:
score: 0
Accepted
time: 4ms
memory: 3760kb
Test #25:
score: 0
Accepted
time: 4ms
memory: 4964kb
Test #26:
score: 0
Accepted
time: 0ms
memory: 5168kb
Test #27:
score: 0
Accepted
time: 2ms
memory: 5076kb
Test #28:
score: 0
Accepted
time: 20ms
memory: 23812kb
Test #29:
score: 0
Accepted
time: 5ms
memory: 5148kb
Test #30:
score: 0
Accepted
time: 1ms
memory: 5164kb
Test #31:
score: 0
Accepted
time: 5ms
memory: 3332kb
Test #32:
score: 0
Accepted
time: 2ms
memory: 3112kb
Test #33:
score: 0
Accepted
time: 15ms
memory: 9528kb
Test #34:
score: 0
Accepted
time: 5ms
memory: 4932kb
Test #35:
score: 0
Accepted
time: 14ms
memory: 12092kb
Test #36:
score: 0
Accepted
time: 12ms
memory: 5888kb
Test #37:
score: 0
Accepted
time: 5ms
memory: 5028kb
Test #38:
score: 0
Accepted
time: 7ms
memory: 4964kb
Test #39:
score: 0
Accepted
time: 1ms
memory: 3096kb
Test #40:
score: 0
Accepted
time: 4ms
memory: 3460kb
Test #41:
score: 0
Accepted
time: 2ms
memory: 3640kb
Test #42:
score: 0
Accepted
time: 5ms
memory: 5168kb
Test #43:
score: 0
Accepted
time: 10ms
memory: 4976kb
Test #44:
score: 0
Accepted
time: 3ms
memory: 3236kb
Test #45:
score: 0
Accepted
time: 3ms
memory: 3496kb
Test #46:
score: 0
Accepted
time: 2ms
memory: 5044kb
Test #47:
score: 0
Accepted
time: 3ms
memory: 3564kb
Test #48:
score: 0
Accepted
time: 15ms
memory: 8580kb
Test #49:
score: 0
Accepted
time: 3ms
memory: 4984kb
Test #50:
score: 0
Accepted
time: 5ms
memory: 3356kb
Test #51:
score: 0
Accepted
time: 59ms
memory: 25176kb
Test #52:
score: 0
Accepted
time: 22ms
memory: 14588kb
Test #53:
score: 0
Accepted
time: 9ms
memory: 5160kb
Test #54:
score: 0
Accepted
time: 27ms
memory: 31896kb
Test #55:
score: 0
Accepted
time: 28ms
memory: 7532kb
Test #56:
score: 0
Accepted
time: 62ms
memory: 40648kb
Test #57:
score: 0
Accepted
time: 38ms
memory: 7624kb
Test #58:
score: 0
Accepted
time: 17ms
memory: 4092kb
Test #59:
score: 0
Accepted
time: 1ms
memory: 5024kb
Test #60:
score: 0
Accepted
time: 76ms
memory: 45388kb
Test #61:
score: 0
Accepted
time: 5ms
memory: 3908kb
Test #62:
score: 0
Accepted
time: 18ms
memory: 4900kb
Test #63:
score: 0
Accepted
time: 64ms
memory: 25484kb
Test #64:
score: 0
Accepted
time: 14ms
memory: 3988kb
Test #65:
score: 0
Accepted
time: 9ms
memory: 9196kb
Test #66:
score: 0
Accepted
time: 14ms
memory: 3956kb
Test #67:
score: 0
Accepted
time: 14ms
memory: 8988kb
Test #68:
score: 0
Accepted
time: 10ms
memory: 4956kb
Test #69:
score: 0
Accepted
time: 71ms
memory: 53388kb
Test #70:
score: 0
Accepted
time: 24ms
memory: 8552kb
Test #71:
score: 0
Accepted
time: 15ms
memory: 5036kb
Test #72:
score: 0
Accepted
time: 7ms
memory: 3904kb
Test #73:
score: 0
Accepted
time: 7ms
memory: 4044kb
Test #74:
score: 0
Accepted
time: 53ms
memory: 41268kb
Test #75:
score: 0
Accepted
time: 9ms
memory: 6216kb
Test #76:
score: 0
Accepted
time: 11ms
memory: 6132kb
Test #77:
score: 0
Accepted
time: 67ms
memory: 31580kb
Test #78:
score: 0
Accepted
time: 8ms
memory: 3988kb
Test #79:
score: 0
Accepted
time: 9ms
memory: 3824kb
Test #80:
score: 0
Accepted
time: 46ms
memory: 8664kb
Test #81:
score: 0
Accepted
time: 10ms
memory: 5256kb
Test #82:
score: 0
Accepted
time: 16ms
memory: 5512kb
Test #83:
score: 0
Accepted
time: 10ms
memory: 5032kb
Test #84:
score: 0
Accepted
time: 8ms
memory: 3912kb
Test #85:
score: 0
Accepted
time: 6ms
memory: 4992kb
Test #86:
score: 0
Accepted
time: 11ms
memory: 3916kb
Test #87:
score: 0
Accepted
time: 4ms
memory: 5084kb
Test #88:
score: 0
Accepted
time: 9ms
memory: 4100kb
Test #89:
score: 0
Accepted
time: 48ms
memory: 43484kb
Test #90:
score: 0
Accepted
time: 16ms
memory: 4740kb
Test #91:
score: 0
Accepted
time: 14ms
memory: 4000kb
Test #92:
score: 0
Accepted
time: 19ms
memory: 17620kb
Test #93:
score: 0
Accepted
time: 16ms
memory: 3904kb
Test #94:
score: 0
Accepted
time: 89ms
memory: 35812kb
Test #95:
score: 0
Accepted
time: 4ms
memory: 4284kb
Test #96:
score: 0
Accepted
time: 4ms
memory: 5996kb
Test #97:
score: 0
Accepted
time: 67ms
memory: 46280kb
Test #98:
score: 0
Accepted
time: 59ms
memory: 26800kb
Test #99:
score: 0
Accepted
time: 16ms
memory: 8288kb
Test #100:
score: 0
Accepted
time: 10ms
memory: 6952kb
Test #101:
score: 0
Accepted
time: 18ms
memory: 12052kb
Test #102:
score: 0
Accepted
time: 14ms
memory: 5224kb
Test #103:
score: 0
Accepted
time: 59ms
memory: 37464kb
Test #104:
score: 0
Accepted
time: 17ms
memory: 6272kb
Test #105:
score: 0
Accepted
time: 11ms
memory: 7272kb
Test #106:
score: 0
Accepted
time: 7ms
memory: 4176kb
Test #107:
score: 0
Accepted
time: 46ms
memory: 33360kb
Test #108:
score: 0
Accepted
time: 70ms
memory: 43328kb
Test #109:
score: 0
Accepted
time: 61ms
memory: 19152kb
Test #110:
score: 0
Accepted
time: 38ms
memory: 25984kb
Test #111:
score: 0
Accepted
time: 40ms
memory: 13212kb
Test #112:
score: 0
Accepted
time: 11ms
memory: 10216kb
Test #113:
score: 0
Accepted
time: 14ms
memory: 3872kb
Test #114:
score: 0
Accepted
time: 14ms
memory: 3900kb
Test #115:
score: 0
Accepted
time: 15ms
memory: 5928kb
Test #116:
score: 0
Accepted
time: 5ms
memory: 6748kb
Test #117:
score: 0
Accepted
time: 9ms
memory: 12632kb
Test #118:
score: 0
Accepted
time: 15ms
memory: 3980kb
Test #119:
score: 0
Accepted
time: 15ms
memory: 4020kb
Test #120:
score: 0
Accepted
time: 60ms
memory: 32628kb
Test #121:
score: 0
Accepted
time: 7ms
memory: 4060kb
Test #122:
score: 0
Accepted
time: 2ms
memory: 3852kb
Test #123:
score: 0
Accepted
time: 10ms
memory: 3900kb
Test #124:
score: 0
Accepted
time: 15ms
memory: 4968kb
Test #125:
score: 0
Accepted
time: 31ms
memory: 6984kb
Test #126:
score: 0
Accepted
time: 7ms
memory: 3996kb
Test #127:
score: 0
Accepted
time: 1ms
memory: 4976kb
Test #128:
score: 0
Accepted
time: 14ms
memory: 3892kb
Test #129:
score: 0
Accepted
time: 13ms
memory: 4108kb
Test #130:
score: 0
Accepted
time: 12ms
memory: 7788kb
Test #131:
score: 0
Accepted
time: 13ms
memory: 4968kb
Test #132:
score: 0
Accepted
time: 55ms
memory: 26312kb
Test #133:
score: 0
Accepted
time: 16ms
memory: 5080kb
Test #134:
score: 0
Accepted
time: 9ms
memory: 3940kb
Test #135:
score: 0
Accepted
time: 64ms
memory: 49248kb
Test #136:
score: 0
Accepted
time: 14ms
memory: 5148kb
Test #137:
score: 0
Accepted
time: 7ms
memory: 4132kb
Test #138:
score: 0
Accepted
time: 75ms
memory: 51276kb
Test #139:
score: 0
Accepted
time: 4ms
memory: 4944kb
Test #140:
score: 0
Accepted
time: 10ms
memory: 5036kb
Test #141:
score: 0
Accepted
time: 28ms
memory: 14812kb
Test #142:
score: 0
Accepted
time: 7ms
memory: 4960kb
Test #143:
score: 0
Accepted
time: 65ms
memory: 53204kb
Test #144:
score: 0
Accepted
time: 16ms
memory: 8456kb
Test #145:
score: 0
Accepted
time: 38ms
memory: 20120kb
Test #146:
score: 0
Accepted
time: 10ms
memory: 6300kb
Test #147:
score: 0
Accepted
time: 12ms
memory: 19712kb
Test #148:
score: 0
Accepted
time: 60ms
memory: 31196kb
Test #149:
score: 0
Accepted
time: 23ms
memory: 8380kb
Test #150:
score: 0
Accepted
time: 68ms
memory: 32564kb
Test #151:
score: 0
Accepted
time: 66ms
memory: 63064kb
Test #152:
score: 0
Accepted
time: 5ms
memory: 4124kb
Test #153:
score: 0
Accepted
time: 11ms
memory: 3872kb
Test #154:
score: 0
Accepted
time: 15ms
memory: 3836kb
Test #155:
score: 0
Accepted
time: 69ms
memory: 38068kb
Test #156:
score: 0
Accepted
time: 15ms
memory: 3904kb
Test #157:
score: 0
Accepted
time: 2ms
memory: 4916kb
Test #158:
score: 0
Accepted
time: 10ms
memory: 3928kb
Test #159:
score: 0
Accepted
time: 0ms
memory: 5144kb
Test #160:
score: 0
Accepted
time: 9ms
memory: 3928kb
Test #161:
score: 0
Accepted
time: 34ms
memory: 13272kb
Test #162:
score: 0
Accepted
time: 14ms
memory: 3912kb
Test #163:
score: 0
Accepted
time: 6ms
memory: 3880kb
Test #164:
score: 0
Accepted
time: 32ms
memory: 13312kb
Test #165:
score: 0
Accepted
time: 58ms
memory: 27256kb
Test #166:
score: 0
Accepted
time: 71ms
memory: 34740kb