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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#18065#2213. KnightYLiF4#AC ✓88ms62256kbC++141.1kb2022-01-16 09:22:202022-05-04 17:00:56

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 17:00:56]
  • 评测
  • 测评结果:AC
  • 用时:88ms
  • 内存:62256kb
  • [2022-01-16 09:22:20]
  • 提交

answer

#include<cstdio>
const int maxn=1010;
int a[maxn][maxn],n,m,r,c,siz;
char s[maxn][maxn];
void dfs(int x,int y,const int dir[8][2]){
	siz++;
	for(int i=0;i<8;i++){
		int tx=x+dir[i][0],ty=y+dir[i][1];
		if(tx<1||ty<1||tx>n||ty>m){
			continue;
		}
		if(s[tx][ty]=='@'){
			continue;
		}
		if(a[tx][ty]!=-1){
			continue;
		}
		a[tx][ty]=1-a[x][y];
		dfs(tx,ty,dir);
	}
}
int main(){
	scanf("%d%d%d%d",&n,&m,&r,&c);
	const int dir[8][2]={{r,c},{r,-c},{-r,c},{-r,-c},c,r,-c,r,c,-r,-c,-r};
	for(int i=1;i<=n;i++){
		scanf("%s",&s[i][1]);
		for(int j=1;j<=m;j++){
			a[i][j]=-1;
		}
	}
	int bx,by,ax,ay;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			if(s[i][j]=='A'){
				a[i][j]=0;ax=i,ay=j;
				dfs(i,j,dir);
			}else if(s[i][j]=='B'){
				bx=i,by=j;
			}
		}
	}
	bool flg=false;
	for(int i=0;i<8;i++){
		int tx=ax+dir[i][0],ty=ay+dir[i][1];
		if(tx<1||ty<1||tx>n||ty>m){
			continue;
		}
		if(s[tx][ty]=='.'){
			flg=true;break;
		}
	}
	if(!flg){
		puts("Bob");return 0;
	}
	if(a[bx][by]==-1||a[ax][ay]==a[bx][by]){
		puts("Alice");return 0;
	}
	puts("Bob");
	return 0;
}

Details

Test #1:

score: 100
Accepted
time: 8ms
memory: 5728kb

Test #2:

score: 0
Accepted
time: 2ms
memory: 4152kb

Test #3:

score: 0
Accepted
time: 19ms
memory: 11584kb

Test #4:

score: 0
Accepted
time: 15ms
memory: 10032kb

Test #5:

score: 0
Accepted
time: 1ms
memory: 1816kb

Test #6:

score: 0
Accepted
time: 5ms
memory: 4580kb

Test #7:

score: 0
Accepted
time: 0ms
memory: 1820kb

Test #8:

score: 0
Accepted
time: 5ms
memory: 4612kb

Test #9:

score: 0
Accepted
time: 11ms
memory: 5984kb

Test #10:

score: 0
Accepted
time: 4ms
memory: 5396kb

Test #11:

score: 0
Accepted
time: 5ms
memory: 4676kb

Test #12:

score: 0
Accepted
time: 3ms
memory: 6020kb

Test #13:

score: 0
Accepted
time: 9ms
memory: 8852kb

Test #14:

score: 0
Accepted
time: 5ms
memory: 6248kb

Test #15:

score: 0
Accepted
time: 4ms
memory: 6364kb

Test #16:

score: 0
Accepted
time: 4ms
memory: 6468kb

Test #17:

score: 0
Accepted
time: 1ms
memory: 3700kb

Test #18:

score: 0
Accepted
time: 2ms
memory: 4752kb

Test #19:

score: 0
Accepted
time: 2ms
memory: 3688kb

Test #20:

score: 0
Accepted
time: 1ms
memory: 6028kb

Test #21:

score: 0
Accepted
time: 1ms
memory: 3624kb

Test #22:

score: 0
Accepted
time: 3ms
memory: 3964kb

Test #23:

score: 0
Accepted
time: 2ms
memory: 2060kb

Test #24:

score: 0
Accepted
time: 5ms
memory: 6128kb

Test #25:

score: 0
Accepted
time: 4ms
memory: 6372kb

Test #26:

score: 0
Accepted
time: 1ms
memory: 1972kb

Test #27:

score: 0
Accepted
time: 1ms
memory: 3616kb

Test #28:

score: 0
Accepted
time: 18ms
memory: 23448kb

Test #29:

score: 0
Accepted
time: 5ms
memory: 4872kb

Test #30:

score: 0
Accepted
time: 0ms
memory: 5760kb

Test #31:

score: 0
Accepted
time: 4ms
memory: 3972kb

Test #32:

score: 0
Accepted
time: 1ms
memory: 1912kb

Test #33:

score: 0
Accepted
time: 14ms
memory: 8564kb

Test #34:

score: 0
Accepted
time: 4ms
memory: 6336kb

Test #35:

score: 0
Accepted
time: 17ms
memory: 10124kb

Test #36:

score: 0
Accepted
time: 6ms
memory: 6648kb

Test #37:

score: 0
Accepted
time: 2ms
memory: 4904kb

Test #38:

score: 0
Accepted
time: 10ms
memory: 5536kb

Test #39:

score: 0
Accepted
time: 2ms
memory: 4492kb

Test #40:

score: 0
Accepted
time: 1ms
memory: 6136kb

Test #41:

score: 0
Accepted
time: 1ms
memory: 4512kb

Test #42:

score: 0
Accepted
time: 0ms
memory: 6180kb

Test #43:

score: 0
Accepted
time: 5ms
memory: 6232kb

Test #44:

score: 0
Accepted
time: 3ms
memory: 4004kb

Test #45:

score: 0
Accepted
time: 3ms
memory: 5804kb

Test #46:

score: 0
Accepted
time: 2ms
memory: 4024kb

Test #47:

score: 0
Accepted
time: 0ms
memory: 4588kb

Test #48:

score: 0
Accepted
time: 10ms
memory: 8812kb

Test #49:

score: 0
Accepted
time: 0ms
memory: 5348kb

Test #50:

score: 0
Accepted
time: 4ms
memory: 3928kb

Test #51:

score: 0
Accepted
time: 53ms
memory: 23800kb

Test #52:

score: 0
Accepted
time: 26ms
memory: 14768kb

Test #53:

score: 0
Accepted
time: 2ms
memory: 6548kb

Test #54:

score: 0
Accepted
time: 24ms
memory: 31464kb

Test #55:

score: 0
Accepted
time: 15ms
memory: 8080kb

Test #56:

score: 0
Accepted
time: 78ms
memory: 39840kb

Test #57:

score: 0
Accepted
time: 38ms
memory: 8296kb

Test #58:

score: 0
Accepted
time: 7ms
memory: 6444kb

Test #59:

score: 0
Accepted
time: 0ms
memory: 6440kb

Test #60:

score: 0
Accepted
time: 73ms
memory: 41828kb

Test #61:

score: 0
Accepted
time: 6ms
memory: 6528kb

Test #62:

score: 0
Accepted
time: 13ms
memory: 6516kb

Test #63:

score: 0
Accepted
time: 56ms
memory: 22544kb

Test #64:

score: 0
Accepted
time: 10ms
memory: 6516kb

Test #65:

score: 0
Accepted
time: 6ms
memory: 9644kb

Test #66:

score: 0
Accepted
time: 13ms
memory: 6552kb

Test #67:

score: 0
Accepted
time: 15ms
memory: 9056kb

Test #68:

score: 0
Accepted
time: 1ms
memory: 6516kb

Test #69:

score: 0
Accepted
time: 78ms
memory: 51704kb

Test #70:

score: 0
Accepted
time: 14ms
memory: 8816kb

Test #71:

score: 0
Accepted
time: 2ms
memory: 6508kb

Test #72:

score: 0
Accepted
time: 11ms
memory: 6588kb

Test #73:

score: 0
Accepted
time: 4ms
memory: 6544kb

Test #74:

score: 0
Accepted
time: 73ms
memory: 43832kb

Test #75:

score: 0
Accepted
time: 17ms
memory: 6760kb

Test #76:

score: 0
Accepted
time: 4ms
memory: 6900kb

Test #77:

score: 0
Accepted
time: 56ms
memory: 29248kb

Test #78:

score: 0
Accepted
time: 7ms
memory: 6548kb

Test #79:

score: 0
Accepted
time: 2ms
memory: 6512kb

Test #80:

score: 0
Accepted
time: 43ms
memory: 9136kb

Test #81:

score: 0
Accepted
time: 6ms
memory: 6560kb

Test #82:

score: 0
Accepted
time: 1ms
memory: 6580kb

Test #83:

score: 0
Accepted
time: 13ms
memory: 6436kb

Test #84:

score: 0
Accepted
time: 4ms
memory: 6440kb

Test #85:

score: 0
Accepted
time: 5ms
memory: 6536kb

Test #86:

score: 0
Accepted
time: 5ms
memory: 6532kb

Test #87:

score: 0
Accepted
time: 4ms
memory: 6588kb

Test #88:

score: 0
Accepted
time: 12ms
memory: 6552kb

Test #89:

score: 0
Accepted
time: 80ms
memory: 40836kb

Test #90:

score: 0
Accepted
time: 10ms
memory: 6524kb

Test #91:

score: 0
Accepted
time: 5ms
memory: 6500kb

Test #92:

score: 0
Accepted
time: 17ms
memory: 17672kb

Test #93:

score: 0
Accepted
time: 9ms
memory: 6520kb

Test #94:

score: 0
Accepted
time: 53ms
memory: 33964kb

Test #95:

score: 0
Accepted
time: 7ms
memory: 6528kb

Test #96:

score: 0
Accepted
time: 9ms
memory: 6588kb

Test #97:

score: 0
Accepted
time: 70ms
memory: 44872kb

Test #98:

score: 0
Accepted
time: 61ms
memory: 16660kb

Test #99:

score: 0
Accepted
time: 19ms
memory: 7716kb

Test #100:

score: 0
Accepted
time: 7ms
memory: 7364kb

Test #101:

score: 0
Accepted
time: 11ms
memory: 12500kb

Test #102:

score: 0
Accepted
time: 9ms
memory: 6804kb

Test #103:

score: 0
Accepted
time: 54ms
memory: 36248kb

Test #104:

score: 0
Accepted
time: 12ms
memory: 6852kb

Test #105:

score: 0
Accepted
time: 11ms
memory: 7788kb

Test #106:

score: 0
Accepted
time: 4ms
memory: 6440kb

Test #107:

score: 0
Accepted
time: 69ms
memory: 27596kb

Test #108:

score: 0
Accepted
time: 60ms
memory: 42176kb

Test #109:

score: 0
Accepted
time: 58ms
memory: 17028kb

Test #110:

score: 0
Accepted
time: 29ms
memory: 25260kb

Test #111:

score: 0
Accepted
time: 39ms
memory: 12792kb

Test #112:

score: 0
Accepted
time: 9ms
memory: 10772kb

Test #113:

score: 0
Accepted
time: 4ms
memory: 6504kb

Test #114:

score: 0
Accepted
time: 9ms
memory: 6536kb

Test #115:

score: 0
Accepted
time: 7ms
memory: 6592kb

Test #116:

score: 0
Accepted
time: 3ms
memory: 7416kb

Test #117:

score: 0
Accepted
time: 16ms
memory: 13232kb

Test #118:

score: 0
Accepted
time: 7ms
memory: 6528kb

Test #119:

score: 0
Accepted
time: 5ms
memory: 6504kb

Test #120:

score: 0
Accepted
time: 56ms
memory: 30984kb

Test #121:

score: 0
Accepted
time: 13ms
memory: 6444kb

Test #122:

score: 0
Accepted
time: 3ms
memory: 6520kb

Test #123:

score: 0
Accepted
time: 0ms
memory: 6536kb

Test #124:

score: 0
Accepted
time: 14ms
memory: 6528kb

Test #125:

score: 0
Accepted
time: 29ms
memory: 7404kb

Test #126:

score: 0
Accepted
time: 9ms
memory: 6520kb

Test #127:

score: 0
Accepted
time: 9ms
memory: 6512kb

Test #128:

score: 0
Accepted
time: 2ms
memory: 6528kb

Test #129:

score: 0
Accepted
time: 5ms
memory: 6428kb

Test #130:

score: 0
Accepted
time: 17ms
memory: 8264kb

Test #131:

score: 0
Accepted
time: 12ms
memory: 6552kb

Test #132:

score: 0
Accepted
time: 67ms
memory: 25100kb

Test #133:

score: 0
Accepted
time: 7ms
memory: 6596kb

Test #134:

score: 0
Accepted
time: 2ms
memory: 6440kb

Test #135:

score: 0
Accepted
time: 88ms
memory: 47080kb

Test #136:

score: 0
Accepted
time: 5ms
memory: 6448kb

Test #137:

score: 0
Accepted
time: 1ms
memory: 6548kb

Test #138:

score: 0
Accepted
time: 62ms
memory: 47748kb

Test #139:

score: 0
Accepted
time: 4ms
memory: 6508kb

Test #140:

score: 0
Accepted
time: 12ms
memory: 6552kb

Test #141:

score: 0
Accepted
time: 16ms
memory: 14592kb

Test #142:

score: 0
Accepted
time: 12ms
memory: 6556kb

Test #143:

score: 0
Accepted
time: 72ms
memory: 50156kb

Test #144:

score: 0
Accepted
time: 9ms
memory: 8908kb

Test #145:

score: 0
Accepted
time: 36ms
memory: 13832kb

Test #146:

score: 0
Accepted
time: 9ms
memory: 6896kb

Test #147:

score: 0
Accepted
time: 16ms
memory: 19912kb

Test #148:

score: 0
Accepted
time: 58ms
memory: 28180kb

Test #149:

score: 0
Accepted
time: 21ms
memory: 8464kb

Test #150:

score: 0
Accepted
time: 59ms
memory: 34148kb

Test #151:

score: 0
Accepted
time: 72ms
memory: 62256kb

Test #152:

score: 0
Accepted
time: 7ms
memory: 6440kb

Test #153:

score: 0
Accepted
time: 12ms
memory: 6544kb

Test #154:

score: 0
Accepted
time: 13ms
memory: 6572kb

Test #155:

score: 0
Accepted
time: 55ms
memory: 37104kb

Test #156:

score: 0
Accepted
time: 11ms
memory: 6552kb

Test #157:

score: 0
Accepted
time: 9ms
memory: 6600kb

Test #158:

score: 0
Accepted
time: 9ms
memory: 6548kb

Test #159:

score: 0
Accepted
time: 13ms
memory: 6524kb

Test #160:

score: 0
Accepted
time: 12ms
memory: 6540kb

Test #161:

score: 0
Accepted
time: 37ms
memory: 13188kb

Test #162:

score: 0
Accepted
time: 1ms
memory: 6528kb

Test #163:

score: 0
Accepted
time: 7ms
memory: 6540kb

Test #164:

score: 0
Accepted
time: 20ms
memory: 13344kb

Test #165:

score: 0
Accepted
time: 43ms
memory: 25964kb

Test #166:

score: 0
Accepted
time: 59ms
memory: 33044kb