QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#18003#2213. KnightKJGKMTZB#AC ✓374ms102180kbC++111.3kb2022-01-15 17:39:362022-05-04 16:38:38

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 16:38:38]
  • 评测
  • 测评结果:AC
  • 用时:374ms
  • 内存:102180kb
  • [2022-01-15 17:39:36]
  • 提交

answer

#include <bits/stdc++.h>
#define rep(a,b,c) for(int a=(b);a<=(c);a++)
#define per(a,b,c) for(int a=(b);a>=(c);a--)
#define ll long long
#define vi vector<int>
#define pb emplace_back
#define mem(a,b) memset(a,b,sizeof(a))
using namespace std;
const int N=1e6+5;
vi e[N];
int n,m,r,c,s,t,mp[1005][1005],mx[2]={1,-1},my[2]={1,-1},col[N];
char S[1005];
inline int id_(int i,int j) { return m*(i-1)+j; }
inline void dfs(int x) { for(int v:e[x]) if(!col[v]) col[v]=col[x]^3,dfs(v); }
inline void solve() {
	scanf("%d %d %d %d",&n,&m,&r,&c);
	rep(i,1,n) {
		scanf("%s",S+1);
		rep(j,1,m) {
			if(S[j]=='A') s=id_(i,j);
			if(S[j]=='B') t=id_(i,j);
			if(S[j]=='@') mp[i][j]=0;
			else mp[i][j]=1;
		}
	}
	rep(i,1,n) rep(j,1,m) if(mp[i][j]) {
		rep(m1,0,1) rep(m2,0,1) {
			int tx=i+mx[m1]*r,ty=j+my[m2]*c;
			if(tx>0&&ty>0&&tx<=n&&ty<=m&&mp[tx][ty]) e[id_(i,j)].pb(id_(tx,ty));
		}
		rep(m1,0,1) rep(m2,0,1) {
			int tx=i+mx[m1]*c,ty=j+my[m2]*r;
			if(tx>0&&ty>0&&tx<=n&&ty<=m&&mp[tx][ty]) e[id_(i,j)].pb(id_(tx,ty));
		}
	}
	if(!r&&!c) return(void)(puts("Bob"));
	if(e[s].empty()||(e[s].size()==1&&e[s][0]==t)) return(void)(puts("Bob"));
	col[s]=1; dfs(s);
	if(!col[t]) puts("Alice");
	else if(col[t]==col[s]) puts("Alice");
	else puts("Bob");
}
int main() {
	//int T; cin>>T; while(T--)
	solve();
}

Details

Test #1:

score: 100
Accepted
time: 33ms
memory: 45908kb

Test #2:

score: 0
Accepted
time: 7ms
memory: 29968kb

Test #3:

score: 0
Accepted
time: 121ms
memory: 52248kb

Test #4:

score: 0
Accepted
time: 63ms
memory: 42124kb

Test #5:

score: 0
Accepted
time: 4ms
memory: 31048kb

Test #6:

score: 0
Accepted
time: 9ms
memory: 34968kb

Test #7:

score: 0
Accepted
time: 7ms
memory: 30776kb

Test #8:

score: 0
Accepted
time: 10ms
memory: 31932kb

Test #9:

score: 0
Accepted
time: 26ms
memory: 41472kb

Test #10:

score: 0
Accepted
time: 11ms
memory: 32396kb

Test #11:

score: 0
Accepted
time: 11ms
memory: 32724kb

Test #12:

score: 0
Accepted
time: 53ms
memory: 49408kb

Test #13:

score: 0
Accepted
time: 23ms
memory: 35860kb

Test #14:

score: 0
Accepted
time: 27ms
memory: 43456kb

Test #15:

score: 0
Accepted
time: 8ms
memory: 33204kb

Test #16:

score: 0
Accepted
time: 7ms
memory: 32244kb

Test #17:

score: 0
Accepted
time: 0ms
memory: 29412kb

Test #18:

score: 0
Accepted
time: 13ms
memory: 32588kb

Test #19:

score: 0
Accepted
time: 5ms
memory: 31812kb

Test #20:

score: 0
Accepted
time: 25ms
memory: 41728kb

Test #21:

score: 0
Accepted
time: 4ms
memory: 29364kb

Test #22:

score: 0
Accepted
time: 8ms
memory: 31396kb

Test #23:

score: 0
Accepted
time: 0ms
memory: 29852kb

Test #24:

score: 0
Accepted
time: 7ms
memory: 31972kb

Test #25:

score: 0
Accepted
time: 9ms
memory: 32476kb

Test #26:

score: 0
Accepted
time: 4ms
memory: 30704kb

Test #27:

score: 0
Accepted
time: 4ms
memory: 29828kb

Test #28:

score: 0
Accepted
time: 119ms
memory: 56152kb

Test #29:

score: 0
Accepted
time: 4ms
memory: 32628kb

Test #30:

score: 0
Accepted
time: 9ms
memory: 35624kb

Test #31:

score: 0
Accepted
time: 15ms
memory: 35516kb

Test #32:

score: 0
Accepted
time: 8ms
memory: 30360kb

Test #33:

score: 0
Accepted
time: 79ms
memory: 50516kb

Test #34:

score: 0
Accepted
time: 8ms
memory: 34076kb

Test #35:

score: 0
Accepted
time: 78ms
memory: 49604kb

Test #36:

score: 0
Accepted
time: 82ms
memory: 50636kb

Test #37:

score: 0
Accepted
time: 4ms
memory: 33732kb

Test #38:

score: 0
Accepted
time: 36ms
memory: 37200kb

Test #39:

score: 0
Accepted
time: 4ms
memory: 33056kb

Test #40:

score: 0
Accepted
time: 4ms
memory: 32968kb

Test #41:

score: 0
Accepted
time: 12ms
memory: 35380kb

Test #42:

score: 0
Accepted
time: 12ms
memory: 35084kb

Test #43:

score: 0
Accepted
time: 30ms
memory: 37564kb

Test #44:

score: 0
Accepted
time: 4ms
memory: 32056kb

Test #45:

score: 0
Accepted
time: 9ms
memory: 32396kb

Test #46:

score: 0
Accepted
time: 5ms
memory: 32232kb

Test #47:

score: 0
Accepted
time: 4ms
memory: 33368kb

Test #48:

score: 0
Accepted
time: 85ms
memory: 47604kb

Test #49:

score: 0
Accepted
time: 26ms
memory: 41756kb

Test #50:

score: 0
Accepted
time: 16ms
memory: 36740kb

Test #51:

score: 0
Accepted
time: 231ms
memory: 65936kb

Test #52:

score: 0
Accepted
time: 180ms
memory: 66156kb

Test #53:

score: 0
Accepted
time: 37ms
memory: 39280kb

Test #54:

score: 0
Accepted
time: 236ms
memory: 85904kb

Test #55:

score: 0
Accepted
time: 107ms
memory: 51392kb

Test #56:

score: 0
Accepted
time: 374ms
memory: 84568kb

Test #57:

score: 0
Accepted
time: 128ms
memory: 50924kb

Test #58:

score: 0
Accepted
time: 25ms
memory: 35748kb

Test #59:

score: 0
Accepted
time: 23ms
memory: 37812kb

Test #60:

score: 0
Accepted
time: 341ms
memory: 86620kb

Test #61:

score: 0
Accepted
time: 70ms
memory: 48160kb

Test #62:

score: 0
Accepted
time: 53ms
memory: 42952kb

Test #63:

score: 0
Accepted
time: 232ms
memory: 67516kb

Test #64:

score: 0
Accepted
time: 34ms
memory: 37536kb

Test #65:

score: 0
Accepted
time: 168ms
memory: 78308kb

Test #66:

score: 0
Accepted
time: 35ms
memory: 37504kb

Test #67:

score: 0
Accepted
time: 114ms
memory: 55448kb

Test #68:

score: 0
Accepted
time: 28ms
memory: 39844kb

Test #69:

score: 0
Accepted
time: 357ms
memory: 91860kb

Test #70:

score: 0
Accepted
time: 92ms
memory: 46236kb

Test #71:

score: 0
Accepted
time: 67ms
memory: 46020kb

Test #72:

score: 0
Accepted
time: 28ms
memory: 36668kb

Test #73:

score: 0
Accepted
time: 31ms
memory: 50076kb

Test #74:

score: 0
Accepted
time: 350ms
memory: 84820kb

Test #75:

score: 0
Accepted
time: 101ms
memory: 52980kb

Test #76:

score: 0
Accepted
time: 119ms
memory: 55072kb

Test #77:

score: 0
Accepted
time: 264ms
memory: 73684kb

Test #78:

score: 0
Accepted
time: 25ms
memory: 37504kb

Test #79:

score: 0
Accepted
time: 48ms
memory: 40924kb

Test #80:

score: 0
Accepted
time: 161ms
memory: 56584kb

Test #81:

score: 0
Accepted
time: 65ms
memory: 52448kb

Test #82:

score: 0
Accepted
time: 80ms
memory: 50992kb

Test #83:

score: 0
Accepted
time: 82ms
memory: 48220kb

Test #84:

score: 0
Accepted
time: 49ms
memory: 41440kb

Test #85:

score: 0
Accepted
time: 29ms
memory: 37056kb

Test #86:

score: 0
Accepted
time: 27ms
memory: 38592kb

Test #87:

score: 0
Accepted
time: 48ms
memory: 40624kb

Test #88:

score: 0
Accepted
time: 26ms
memory: 37152kb

Test #89:

score: 0
Accepted
time: 365ms
memory: 83096kb

Test #90:

score: 0
Accepted
time: 91ms
memory: 50716kb

Test #91:

score: 0
Accepted
time: 27ms
memory: 36980kb

Test #92:

score: 0
Accepted
time: 178ms
memory: 76532kb

Test #93:

score: 0
Accepted
time: 32ms
memory: 38996kb

Test #94:

score: 0
Accepted
time: 299ms
memory: 77872kb

Test #95:

score: 0
Accepted
time: 146ms
memory: 71260kb

Test #96:

score: 0
Accepted
time: 79ms
memory: 54152kb

Test #97:

score: 0
Accepted
time: 307ms
memory: 82836kb

Test #98:

score: 0
Accepted
time: 250ms
memory: 70436kb

Test #99:

score: 0
Accepted
time: 99ms
memory: 65292kb

Test #100:

score: 0
Accepted
time: 139ms
memory: 67084kb

Test #101:

score: 0
Accepted
time: 164ms
memory: 79008kb

Test #102:

score: 0
Accepted
time: 117ms
memory: 74616kb

Test #103:

score: 0
Accepted
time: 339ms
memory: 78652kb

Test #104:

score: 0
Accepted
time: 78ms
memory: 44996kb

Test #105:

score: 0
Accepted
time: 130ms
memory: 61592kb

Test #106:

score: 0
Accepted
time: 68ms
memory: 53084kb

Test #107:

score: 0
Accepted
time: 286ms
memory: 73852kb

Test #108:

score: 0
Accepted
time: 369ms
memory: 86604kb

Test #109:

score: 0
Accepted
time: 196ms
memory: 59652kb

Test #110:

score: 0
Accepted
time: 232ms
memory: 77548kb

Test #111:

score: 0
Accepted
time: 148ms
memory: 60076kb

Test #112:

score: 0
Accepted
time: 148ms
memory: 72228kb

Test #113:

score: 0
Accepted
time: 32ms
memory: 35420kb

Test #114:

score: 0
Accepted
time: 27ms
memory: 35480kb

Test #115:

score: 0
Accepted
time: 35ms
memory: 39052kb

Test #116:

score: 0
Accepted
time: 131ms
memory: 71432kb

Test #117:

score: 0
Accepted
time: 179ms
memory: 80612kb

Test #118:

score: 0
Accepted
time: 23ms
memory: 35980kb

Test #119:

score: 0
Accepted
time: 19ms
memory: 34132kb

Test #120:

score: 0
Accepted
time: 272ms
memory: 68060kb

Test #121:

score: 0
Accepted
time: 34ms
memory: 39540kb

Test #122:

score: 0
Accepted
time: 54ms
memory: 51220kb

Test #123:

score: 0
Accepted
time: 30ms
memory: 36980kb

Test #124:

score: 0
Accepted
time: 33ms
memory: 39684kb

Test #125:

score: 0
Accepted
time: 136ms
memory: 50576kb

Test #126:

score: 0
Accepted
time: 26ms
memory: 37936kb

Test #127:

score: 0
Accepted
time: 25ms
memory: 35028kb

Test #128:

score: 0
Accepted
time: 76ms
memory: 58508kb

Test #129:

score: 0
Accepted
time: 40ms
memory: 41756kb

Test #130:

score: 0
Accepted
time: 122ms
memory: 61792kb

Test #131:

score: 0
Accepted
time: 17ms
memory: 36528kb

Test #132:

score: 0
Accepted
time: 177ms
memory: 60424kb

Test #133:

score: 0
Accepted
time: 32ms
memory: 35872kb

Test #134:

score: 0
Accepted
time: 52ms
memory: 45692kb

Test #135:

score: 0
Accepted
time: 334ms
memory: 87720kb

Test #136:

score: 0
Accepted
time: 30ms
memory: 33976kb

Test #137:

score: 0
Accepted
time: 24ms
memory: 39700kb

Test #138:

score: 0
Accepted
time: 349ms
memory: 89292kb

Test #139:

score: 0
Accepted
time: 26ms
memory: 36204kb

Test #140:

score: 0
Accepted
time: 63ms
memory: 49864kb

Test #141:

score: 0
Accepted
time: 218ms
memory: 71732kb

Test #142:

score: 0
Accepted
time: 66ms
memory: 39528kb

Test #143:

score: 0
Accepted
time: 352ms
memory: 91680kb

Test #144:

score: 0
Accepted
time: 105ms
memory: 53692kb

Test #145:

score: 0
Accepted
time: 259ms
memory: 67472kb

Test #146:

score: 0
Accepted
time: 63ms
memory: 44232kb

Test #147:

score: 0
Accepted
time: 204ms
memory: 83528kb

Test #148:

score: 0
Accepted
time: 283ms
memory: 75160kb

Test #149:

score: 0
Accepted
time: 155ms
memory: 62108kb

Test #150:

score: 0
Accepted
time: 304ms
memory: 78600kb

Test #151:

score: 0
Accepted
time: 305ms
memory: 102180kb

Test #152:

score: 0
Accepted
time: 19ms
memory: 38420kb

Test #153:

score: 0
Accepted
time: 38ms
memory: 35572kb

Test #154:

score: 0
Accepted
time: 61ms
memory: 40084kb

Test #155:

score: 0
Accepted
time: 280ms
memory: 74192kb

Test #156:

score: 0
Accepted
time: 49ms
memory: 45404kb

Test #157:

score: 0
Accepted
time: 46ms
memory: 53472kb

Test #158:

score: 0
Accepted
time: 70ms
memory: 50500kb

Test #159:

score: 0
Accepted
time: 19ms
memory: 34700kb

Test #160:

score: 0
Accepted
time: 29ms
memory: 37516kb

Test #161:

score: 0
Accepted
time: 95ms
memory: 48288kb

Test #162:

score: 0
Accepted
time: 35ms
memory: 39056kb

Test #163:

score: 0
Accepted
time: 17ms
memory: 33108kb

Test #164:

score: 0
Accepted
time: 151ms
memory: 58248kb

Test #165:

score: 0
Accepted
time: 285ms
memory: 80152kb

Test #166:

score: 0
Accepted
time: 287ms
memory: 71632kb