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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#18145#2213. KnightRealityang#AC ✓111ms81332kbC++141.4kb2022-01-16 15:33:182022-05-04 17:12:20

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-05-04 17:12:20]
  • 评测
  • 测评结果:AC
  • 用时:111ms
  • 内存:81332kb
  • [2022-01-16 15:33:18]
  • 提交

answer

#include<bits/stdc++.h>
//#define int long long
using namespace std;
const int N=1010,mod=1e9+7;
int n,vis[N][N],ri[N][N],m,r,c,ax,ay,bx,by;
int fx[9][2]={{-1,-1},{-1,1},{1,-1},{1,1},{-1,-1},{-1,1},{1,-1},{1,1}};
bool ac(int x,int y){
	if(x<1||y<1||x>n||y>m||ri[x][y]||vis[x][y])return false;
	return true;
}
void dfs(int x,int y,int co,int ad){
	vis[x][y]=co;
	for(int i=0;i<8;i++){
		int xx=x+fx[i][0],yy=y+fx[i][1];
		if(!ac(xx,yy))continue;
		if(!ad)dfs(xx,yy,co+1,1);
		else dfs(xx,yy,co-1,0);
	}
}
void A(){printf("Alice");exit(0);}
void B(){printf("Bob");exit(0);}
signed main(){
	scanf("%d%d%d%d",&n,&m,&r,&c);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			char s=getchar();while(s!='A'&&s!='B'&&s!='.'&&s!='@')s=getchar();
			if(s=='A')ax=i,ay=j;
			if(s=='B')bx=i,by=j;
			if(s=='@')ri[i][j]=1;
		}
	}int colo=1;
	for(int i=0;i<4;i++)fx[i][0]*=r,fx[i][1]*=c;
	for(int i=4;i<8;i++)fx[i][1]*=r,fx[i][0]*=c;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			if(vis[i][j]||ri[i][j])continue;
			vis[i][j]=++colo;
			dfs(i,j,colo,0);
			colo++;
		}
	}
	int rt=0;
	for(int i=0;i<8;i++){
		int xx=ax+fx[i][0],yy=ay+fx[i][1];
		if(xx<1||yy<1||xx>n||yy>m||ri[xx][yy]||(xx==bx&&yy==by)||(xx==ax&&yy==ay))continue;
		rt=1;
	}
	if(!rt)B();
	if(vis[ax][ay]/2!=vis[bx][by]/2)A();
	if(vis[ax][ay]==vis[bx][by])A();
	else B();
}
/*
3 3 2 1
.A@
B..
@..
*/

Details

Test #1:

score: 100
Accepted
time: 19ms
memory: 11348kb

Test #2:

score: 0
Accepted
time: 4ms
memory: 6712kb

Test #3:

score: 0
Accepted
time: 44ms
memory: 17572kb

Test #4:

score: 0
Accepted
time: 24ms
memory: 15268kb

Test #5:

score: 0
Accepted
time: 3ms
memory: 5916kb

Test #6:

score: 0
Accepted
time: 7ms
memory: 9864kb

Test #7:

score: 0
Accepted
time: 3ms
memory: 6004kb

Test #8:

score: 0
Accepted
time: 4ms
memory: 9996kb

Test #9:

score: 0
Accepted
time: 16ms
memory: 10896kb

Test #10:

score: 0
Accepted
time: 11ms
memory: 11412kb

Test #11:

score: 0
Accepted
time: 6ms
memory: 10620kb

Test #12:

score: 0
Accepted
time: 20ms
memory: 10820kb

Test #13:

score: 0
Accepted
time: 8ms
memory: 14552kb

Test #14:

score: 0
Accepted
time: 18ms
memory: 11436kb

Test #15:

score: 0
Accepted
time: 4ms
memory: 10896kb

Test #16:

score: 0
Accepted
time: 11ms
memory: 11108kb

Test #17:

score: 0
Accepted
time: 3ms
memory: 7964kb

Test #18:

score: 0
Accepted
time: 5ms
memory: 7672kb

Test #19:

score: 0
Accepted
time: 6ms
memory: 6628kb

Test #20:

score: 0
Accepted
time: 8ms
memory: 10220kb

Test #21:

score: 0
Accepted
time: 1ms
memory: 5792kb

Test #22:

score: 0
Accepted
time: 6ms
memory: 11164kb

Test #23:

score: 0
Accepted
time: 4ms
memory: 6184kb

Test #24:

score: 0
Accepted
time: 0ms
memory: 11404kb

Test #25:

score: 0
Accepted
time: 4ms
memory: 11536kb

Test #26:

score: 0
Accepted
time: 0ms
memory: 8140kb

Test #27:

score: 0
Accepted
time: 2ms
memory: 6072kb

Test #28:

score: 0
Accepted
time: 30ms
memory: 32980kb

Test #29:

score: 0
Accepted
time: 8ms
memory: 7220kb

Test #30:

score: 0
Accepted
time: 8ms
memory: 11432kb

Test #31:

score: 0
Accepted
time: 7ms
memory: 10240kb

Test #32:

score: 0
Accepted
time: 2ms
memory: 6164kb

Test #33:

score: 0
Accepted
time: 32ms
memory: 16696kb

Test #34:

score: 0
Accepted
time: 11ms
memory: 11684kb

Test #35:

score: 0
Accepted
time: 22ms
memory: 17396kb

Test #36:

score: 0
Accepted
time: 59ms
memory: 11976kb

Test #37:

score: 0
Accepted
time: 6ms
memory: 7188kb

Test #38:

score: 0
Accepted
time: 15ms
memory: 7964kb

Test #39:

score: 0
Accepted
time: 3ms
memory: 10596kb

Test #40:

score: 0
Accepted
time: 1ms
memory: 10112kb

Test #41:

score: 0
Accepted
time: 14ms
memory: 10668kb

Test #42:

score: 0
Accepted
time: 8ms
memory: 10288kb

Test #43:

score: 0
Accepted
time: 19ms
memory: 11188kb

Test #44:

score: 0
Accepted
time: 6ms
memory: 10260kb

Test #45:

score: 0
Accepted
time: 5ms
memory: 10080kb

Test #46:

score: 0
Accepted
time: 3ms
memory: 10296kb

Test #47:

score: 0
Accepted
time: 6ms
memory: 10264kb

Test #48:

score: 0
Accepted
time: 48ms
memory: 14700kb

Test #49:

score: 0
Accepted
time: 8ms
memory: 10796kb

Test #50:

score: 0
Accepted
time: 3ms
memory: 10080kb

Test #51:

score: 0
Accepted
time: 85ms
memory: 32792kb

Test #52:

score: 0
Accepted
time: 79ms
memory: 22112kb

Test #53:

score: 0
Accepted
time: 19ms
memory: 11700kb

Test #54:

score: 0
Accepted
time: 78ms
memory: 42592kb

Test #55:

score: 0
Accepted
time: 65ms
memory: 13636kb

Test #56:

score: 0
Accepted
time: 88ms
memory: 53076kb

Test #57:

score: 0
Accepted
time: 61ms
memory: 13516kb

Test #58:

score: 0
Accepted
time: 23ms
memory: 11780kb

Test #59:

score: 0
Accepted
time: 33ms
memory: 11744kb

Test #60:

score: 0
Accepted
time: 81ms
memory: 54560kb

Test #61:

score: 0
Accepted
time: 54ms
memory: 11780kb

Test #62:

score: 0
Accepted
time: 41ms
memory: 11740kb

Test #63:

score: 0
Accepted
time: 78ms
memory: 33136kb

Test #64:

score: 0
Accepted
time: 25ms
memory: 11784kb

Test #65:

score: 0
Accepted
time: 54ms
memory: 15752kb

Test #66:

score: 0
Accepted
time: 35ms
memory: 11624kb

Test #67:

score: 0
Accepted
time: 76ms
memory: 15076kb

Test #68:

score: 0
Accepted
time: 38ms
memory: 11740kb

Test #69:

score: 0
Accepted
time: 88ms
memory: 69416kb

Test #70:

score: 0
Accepted
time: 55ms
memory: 14728kb

Test #71:

score: 0
Accepted
time: 38ms
memory: 11588kb

Test #72:

score: 0
Accepted
time: 22ms
memory: 11780kb

Test #73:

score: 0
Accepted
time: 22ms
memory: 11700kb

Test #74:

score: 0
Accepted
time: 87ms
memory: 56840kb

Test #75:

score: 0
Accepted
time: 58ms
memory: 12176kb

Test #76:

score: 0
Accepted
time: 74ms
memory: 12344kb

Test #77:

score: 0
Accepted
time: 64ms
memory: 41560kb

Test #78:

score: 0
Accepted
time: 20ms
memory: 11712kb

Test #79:

score: 0
Accepted
time: 37ms
memory: 11748kb

Test #80:

score: 0
Accepted
time: 65ms
memory: 15356kb

Test #81:

score: 0
Accepted
time: 51ms
memory: 11716kb

Test #82:

score: 0
Accepted
time: 58ms
memory: 11768kb

Test #83:

score: 0
Accepted
time: 52ms
memory: 12444kb

Test #84:

score: 0
Accepted
time: 36ms
memory: 11692kb

Test #85:

score: 0
Accepted
time: 22ms
memory: 11716kb

Test #86:

score: 0
Accepted
time: 21ms
memory: 11716kb

Test #87:

score: 0
Accepted
time: 25ms
memory: 11784kb

Test #88:

score: 0
Accepted
time: 33ms
memory: 11584kb

Test #89:

score: 0
Accepted
time: 76ms
memory: 56104kb

Test #90:

score: 0
Accepted
time: 58ms
memory: 11876kb

Test #91:

score: 0
Accepted
time: 26ms
memory: 11784kb

Test #92:

score: 0
Accepted
time: 97ms
memory: 25812kb

Test #93:

score: 0
Accepted
time: 22ms
memory: 11728kb

Test #94:

score: 0
Accepted
time: 102ms
memory: 45692kb

Test #95:

score: 0
Accepted
time: 51ms
memory: 11776kb

Test #96:

score: 0
Accepted
time: 61ms
memory: 12068kb

Test #97:

score: 0
Accepted
time: 89ms
memory: 59628kb

Test #98:

score: 0
Accepted
time: 78ms
memory: 25348kb

Test #99:

score: 0
Accepted
time: 64ms
memory: 15356kb

Test #100:

score: 0
Accepted
time: 68ms
memory: 13092kb

Test #101:

score: 0
Accepted
time: 71ms
memory: 19188kb

Test #102:

score: 0
Accepted
time: 53ms
memory: 12044kb

Test #103:

score: 0
Accepted
time: 72ms
memory: 46372kb

Test #104:

score: 0
Accepted
time: 50ms
memory: 12192kb

Test #105:

score: 0
Accepted
time: 82ms
memory: 13388kb

Test #106:

score: 0
Accepted
time: 39ms
memory: 11780kb

Test #107:

score: 0
Accepted
time: 86ms
memory: 37504kb

Test #108:

score: 0
Accepted
time: 88ms
memory: 56836kb

Test #109:

score: 0
Accepted
time: 85ms
memory: 25964kb

Test #110:

score: 0
Accepted
time: 91ms
memory: 35544kb

Test #111:

score: 0
Accepted
time: 88ms
memory: 19436kb

Test #112:

score: 0
Accepted
time: 64ms
memory: 16636kb

Test #113:

score: 0
Accepted
time: 14ms
memory: 11516kb

Test #114:

score: 0
Accepted
time: 21ms
memory: 11728kb

Test #115:

score: 0
Accepted
time: 31ms
memory: 11752kb

Test #116:

score: 0
Accepted
time: 72ms
memory: 12844kb

Test #117:

score: 0
Accepted
time: 81ms
memory: 20032kb

Test #118:

score: 0
Accepted
time: 8ms
memory: 11784kb

Test #119:

score: 0
Accepted
time: 12ms
memory: 11712kb

Test #120:

score: 0
Accepted
time: 78ms
memory: 42548kb

Test #121:

score: 0
Accepted
time: 26ms
memory: 11784kb

Test #122:

score: 0
Accepted
time: 41ms
memory: 18568kb

Test #123:

score: 0
Accepted
time: 18ms
memory: 11720kb

Test #124:

score: 0
Accepted
time: 30ms
memory: 11740kb

Test #125:

score: 0
Accepted
time: 71ms
memory: 12816kb

Test #126:

score: 0
Accepted
time: 23ms
memory: 11580kb

Test #127:

score: 0
Accepted
time: 20ms
memory: 11724kb

Test #128:

score: 0
Accepted
time: 37ms
memory: 11720kb

Test #129:

score: 0
Accepted
time: 29ms
memory: 11692kb

Test #130:

score: 0
Accepted
time: 90ms
memory: 13808kb

Test #131:

score: 0
Accepted
time: 18ms
memory: 11624kb

Test #132:

score: 0
Accepted
time: 103ms
memory: 35176kb

Test #133:

score: 0
Accepted
time: 27ms
memory: 11668kb

Test #134:

score: 0
Accepted
time: 44ms
memory: 11516kb

Test #135:

score: 0
Accepted
time: 105ms
memory: 63364kb

Test #136:

score: 0
Accepted
time: 19ms
memory: 11732kb

Test #137:

score: 0
Accepted
time: 30ms
memory: 11620kb

Test #138:

score: 0
Accepted
time: 76ms
memory: 62188kb

Test #139:

score: 0
Accepted
time: 12ms
memory: 11616kb

Test #140:

score: 0
Accepted
time: 13ms
memory: 11620kb

Test #141:

score: 0
Accepted
time: 82ms
memory: 22580kb

Test #142:

score: 0
Accepted
time: 34ms
memory: 11724kb

Test #143:

score: 0
Accepted
time: 74ms
memory: 65668kb

Test #144:

score: 0
Accepted
time: 74ms
memory: 14716kb

Test #145:

score: 0
Accepted
time: 37ms
memory: 18272kb

Test #146:

score: 0
Accepted
time: 46ms
memory: 12268kb

Test #147:

score: 0
Accepted
time: 77ms
memory: 28528kb

Test #148:

score: 0
Accepted
time: 68ms
memory: 37076kb

Test #149:

score: 0
Accepted
time: 67ms
memory: 14928kb

Test #150:

score: 0
Accepted
time: 58ms
memory: 47236kb

Test #151:

score: 0
Accepted
time: 77ms
memory: 81332kb

Test #152:

score: 0
Accepted
time: 24ms
memory: 11740kb

Test #153:

score: 0
Accepted
time: 31ms
memory: 11784kb

Test #154:

score: 0
Accepted
time: 30ms
memory: 11624kb

Test #155:

score: 0
Accepted
time: 96ms
memory: 49708kb

Test #156:

score: 0
Accepted
time: 40ms
memory: 11696kb

Test #157:

score: 0
Accepted
time: 22ms
memory: 11728kb

Test #158:

score: 0
Accepted
time: 49ms
memory: 11712kb

Test #159:

score: 0
Accepted
time: 17ms
memory: 11708kb

Test #160:

score: 0
Accepted
time: 32ms
memory: 11620kb

Test #161:

score: 0
Accepted
time: 55ms
memory: 20108kb

Test #162:

score: 0
Accepted
time: 29ms
memory: 11668kb

Test #163:

score: 0
Accepted
time: 14ms
memory: 11708kb

Test #164:

score: 0
Accepted
time: 71ms
memory: 20044kb

Test #165:

score: 0
Accepted
time: 86ms
memory: 36816kb

Test #166:

score: 0
Accepted
time: 111ms
memory: 45256kb