QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#566055#9319. Bull FarmqdsdsyTL 4971ms43288kbC++143.4kb2024-09-15 22:56:502024-09-15 22:56:52

Judging History

你现在查看的是最新测评结果

  • [2024-09-15 22:56:52]
  • 评测
  • 测评结果:TL
  • 用时:4971ms
  • 内存:43288kb
  • [2024-09-15 22:56:50]
  • 提交

answer

#include<cstdio>
#include<queue>
#include<algorithm>
using namespace std;
#define MAXN 2010
#define MAXQ 1000010
#define re register 
#define il inline

int n,l,q;
int t[MAXN][MAXN];
struct node{
	int a,b,c,id;
	friend bool operator < (node a,node b){
		return a.c<b.c;	
	}
} op[MAXQ];
bool ans[MAXQ];

struct edge{
	int v,nxt;
} e1[MAXN*MAXN];
int head[MAXN],cnte=0;
il void ad(int u,int v){
	e1[++cnte].v=v;
	e1[cnte].nxt=head[u];
	head[u]=cnte;
}

bool e[MAXN][MAXN];
int bel[MAXN],belp[MAXN],cnt=0;
il void ade(int u,int v){
	if(e[u][v]) return;
	if(!bel[u] && !bel[v]){
		ad(u,v);
		e[u][v]=true;
		return;
	}
	if(bel[u]==bel[v]) return;
	if(bel[u]) u=belp[bel[u]];
	if(bel[v]) v=belp[bel[v]];
	if(!e[u][v]) ad(u,v);
	if(!e[v][u]) ad(v,u);
	e[u][v]=e[v][u]=true; 
}
bool vis[MAXN];
int typ[MAXN];
char s[MAXN*2];
queue <int> qu;
il bool bfs(re int s,re int t){
	if(s==t) return true;
	for(re int i=1;i<=n;i++)
		vis[i]=false;
	while(!qu.empty()) qu.pop();
	qu.push(s);
	vis[s]=true;
	while(!qu.empty()){
		re int u=qu.front();
		if(e[u][t]) return true;
		qu.pop();
		for(re int i=head[u];i;i=e1[i].nxt){
			re int v=e1[i].v;
			if(v==t) return true;
			if(vis[v]) continue;
			vis[v]=true;
			qu.push(v);
		}
	}
	return false;
}

void solve(){
	scanf("%d%d%d",&n,&l,&q);
	for(int i=1;i<=n;i++)
		for(int j=1;j<=n;j++)
			e[i][j]=false;
	for(int i=1;i<=n;i++){
		e[i][i]=true;
		bel[i]=head[i]=0;
	}
	cnte=0;
	while(cnt) belp[cnt--]=0;
	for(int i=1;i<=l;i++){
		scanf("%s",s+1);
		for(int j=1;j<=n;j++)
			t[i][j]=(s[2*j-1]-'0')*50+(s[2*j]-'0');
	}
	for(re int i=1;i<=q;i++){
		scanf("%s",s+1);
		op[i].a=(s[1]-'0')*50+(s[2]-'0');
		op[i].b=(s[3]-'0')*50+(s[4]-'0');
		op[i].c=(s[5]-'0')*50+(s[6]-'0'); 
		op[i].id=i;
		ans[i]=0;
	}
	sort(op+1,op+1+q);
	re int now=0;
	for(re int i=1;i<=q;i++){
		re int a=op[i].a,b=op[i].b,c=op[i].c,id=op[i].id;
		while(now<c){
			now++;
			typ[now]=0;
			for(re int j=1;j<=n;j++)
				vis[j]=false;
			for(re int j=1;j<=n;j++){
				if(!vis[t[now][j]]) vis[t[now][j]]=true;
				else {
					if(!typ[now]) typ[now]=t[now][j]; 
					else typ[now]=-1;
				}
			}
			if(typ[now]==-1) continue;
			if(typ[now]){
				re int id1=0,id2=0,id3=0;
				for(re int j=1;j<=n;j++) vis[j]=false;
				for(re int j=1;j<=n;j++){
					if(t[now][j]==typ[now])
						if(!id1) id1=j;
						else id2=j;
					vis[t[now][j]]=true; 
				}
				for(re int j=1;j<=n;j++)
					if(!vis[j]) id3=j;
				ade(id1,id3);
				ade(id2,id3);
			}else {
				for(re int j=1;j<=n;j++)
					vis[j]=false;
				for(re int j=1;j<=n;j++){
					if(!vis[j]){
						re int nowj=j;
						if(!bel[j]){
							bel[j]=++cnt;
							belp[cnt]=j;
						}
						do{
							vis[nowj]=true;
							if(nowj!=j){
								if(bel[nowj]){
									if(bel[nowj]!=bel[j]){
										re int u=belp[bel[nowj]],v=j;
										if(!e[u][v]) ad(u,v);
										if(!e[v][u]) ad(v,u); 
										e[u][v]=e[v][u]=true;
										bel[nowj]=bel[j];
									}
								}else {
									bel[nowj]=bel[j];
									if(!e[nowj][j]) ad(nowj,j);
									if(!e[j][nowj]) ad(j,nowj);
									e[nowj][j]=e[j][nowj]=true;
								}
							}
							nowj=t[now][nowj];
						} while(nowj!=j);
					}
				}
			}
		}
		ans[id]=bfs(a,b);
	}
	for(int i=1;i<=q;i++)
		printf("%d",(int)ans[i]);
	printf("\n");
}

int main()
{
	int t;
	scanf("%d",&t);
	while(t--)
		solve();
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 10280kb

input:

2
5 2 4
0305040201
0404040404
030300
020500
050102
020501
6 2 4
030603010601
010203060504
030202
060402
050602
060401

output:

1011
0100

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 2ms
memory: 12020kb

input:

1
3 3 6
020202
030301
030201
020102
030203
010201
010303
020303
010202

output:

010101

result:

ok single line: '010101'

Test #3:

score: 0
Accepted
time: 116ms
memory: 14372kb

input:

200
10 10 5000
01060:04020305080709
0103070:060204050908
09070503080401060:02
050308010204090:0607
03010502040607080:09
03080109020504060:07
06050:09040302080107
07080305010409060:02
030809010:0204060507
0:060908070201050304
060700
090:03
09080:
070405
010703
0:0100
080601
030600
070206
0:0:09
08040...

output:

011110001101101111111111111111111101111111110111011110110110111011010111111111111111111101111111111110111111110111111111111101111111111110111111111111111111110001100111111111111111111111111011101111111111111111111111111111111111111111011011110100111110111111110111111100111111101110111111111101111110...

result:

ok 200 lines

Test #4:

score: 0
Accepted
time: 1340ms
memory: 29164kb

input:

1
2000 1 1000000
M=:]A@8UAY7W2JJ4KEHIA[HSCQ1ENSC`JXR;F3PJ:_@41P9Z=9HR8P<<:DUXRR9^WOQFL?NZP6S@=J0^WE32=6;\U0?88]Q_RNPUMT6YU<4<S]H?:7OCQYOT4YAV1^764ENWSDBED>M7A:BI>KSIR48JQ9B=N\5T3N4A2aF0@>3TI81<G7;YE>W`NMP<:IT4CI3D0=GZC3I\CLQJQBA9BDIS9SAM55KaVA<Z@D=>:Y?CQHUQ5U3a6UVI8OKX9_FAF^7=5M85;<0;8YPAM<7Z7PP7A=N...

output:

000101000101100010001000000010010110000001000001001100000000010000100001000000101100000000010000001000000001110000010110100000111100100000001000000000011001010001000001001000100000000100011001100110010000010000101100000011111000000010000101010010000000010101000001010111100000100000000000000101000100...

result:

ok single line: '000101000101100010001000000010...0101000101000000000010101001000'

Test #5:

score: 0
Accepted
time: 2552ms
memory: 43288kb

input:

1
2000 2000 1000000
FVAaH7GRPO;_11Da5J18@3SMG==\G8E8S^6:M4L0JH>MN5IXT>2<7WJ3U8LVJS=;;3F13>0D0>VOIIU@EPHG6ABL6;K?T1PXDERLG07]5C9^GDKG<SBMIW;`4W8P3=469TIPKH0O34523_J5C2MJ17D25Z@=K8H@M>WK<CMK7EO]BPD7B6AW741J5YIHIa1:ERSG>L3N2^F3<4F`DLE@2AA5=8GZK6:192FB736[WMV7:^DA2C:<LK040VJBM3M]WXU50`407TR_?PLF@5VL7OSL...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result:

ok single line: '111111111111111111111111111111...1111111111111111111111111111111'

Test #6:

score: 0
Accepted
time: 4971ms
memory: 42996kb

input:

1
2000 2000 1000000
0102030405060708090:0;0<0=0>0?0@0A0B0C0D0E0F0G0H0I0J0K0L0M0N0O0P0Q0R0S0T0U0V0W0X0Y0Z0[0\0]0^0_0`0a101112131415161718191:1;1<1=1>1?1@1A1B1C1D1E1F1G1H1I1J1K1L1M1N1O1P1Q1R1S1T1U1V1W1X1Y1Z1[1\1]1^1_1`1a202122232425262728292:2;2<2=2>2?2@2A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2U2V2W2X...

output:

000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000...

result:

ok single line: '000000000000000000000000000000...0000000000000000000000000000000'

Test #7:

score: 0
Accepted
time: 2060ms
memory: 40956kb

input:

1
2000 2000 1000000
0102030405060708090:0;0<0=0>0?0@0A0B0C0D0E0F0G0H0I0J0K0L0M0N0O0P0Q0R0S0T0U0V0W0X0Y0Z0[0\0]0^0_0`0a101112131415161718191:1;1<1=1>1?1@1A1B1C1D1E1F1G1H1I1J1K1L1M1N1O1P1Q1R1S1T1U1V1W1X1Y1Z1[1\1]1^1_1`1a202122232425262728292:2;2<2=2>2?2@2A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2U2V2W2X...

output:

010001100010000000101000000110010001001010101100100100000001000000101010100010000001011111010000000001001000010101011111001010101010100100010001011011000010010100110110000100010110101110000011111101100110010100100101010000100100101110100000000101100010100111000011001110100010001010000101111001101000...

result:

ok single line: '010001100010000000101000000110...1010101000010010101000100000111'

Test #8:

score: 0
Accepted
time: 1301ms
memory: 40904kb

input:

1
2000 2000 1000000
0102030405060708090:0;0<0=0>0?0@0A0B0C0D0E0F0G0H0I0J0K0L0M0N0O0P0Q0R0S0T0U0V0W0X0Y0Z0[0\0]0^0_0`0a101112131415161718191:1;1<1=1>1?1@1A1B1C1D1E1F1G1H1I1J1K1L1M1N1O1P1Q1R1S1T1U1V1W1X1Y1Z1[1\1]1^1_1`1a202122232425262728292:2;2<2=2>2?2@2A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2U2V2W2X...

output:

011010100000000000000000001000001100000110000000100001010000000000000010001000000100000000000000000000100000100000000001100000100011010000000000000000000000000010000001000000010001100010000100000001000000000010000000000000001000010100000000001000000000000000000000001100010000000000000101000000101010...

result:

ok single line: '011010100000000000000000001000...0000000000000100000010010000100'

Test #9:

score: 0
Accepted
time: 802ms
memory: 42992kb

input:

1
2000 2000 1000000
1REKN]@]>9D9177?6E8DU65LCS>X3Z4KJ47@?R43H8C2ADQ<T[GGCZI]CO4SCDNAVCE534S1;0LV<:F[R`A[=89FL^BYGU7F:NBDD2F3SYLQS[O407E\V>>;EOTL=W8VAYMRO[KHRZ7^F6?:<G4R9O3AVG1\1OER1MKNMG01R?=;SWMP28:X>2=GLC1LSU<VMKQ5?KQAS^4QDTC07TK=R01WL@6596@D5IKT?YG?HaQPP:<12ZUF?GARFKJXC`NFIaJ;SXC:80V1Q@Q;FJV]3XSJ...

output:

111101100101100100000000101000110011010001100000001001101000001000010101010010100111100010100110000001000000011101001010110000101000111000010011110100010101100101011111000010000001100001000011010001101000000010100011000110101001100010111010110011001101110010001110110101000000110111010100001000011001...

result:

ok single line: '111101100101100100000000101000...1100010101000011110011110111100'

Test #10:

score: 0
Accepted
time: 121ms
memory: 39728kb

input:

1
1 2000 1000000
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
0...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result:

ok single line: '111111111111111111111111111111...1111111111111111111111111111111'

Test #11:

score: 0
Accepted
time: 226ms
memory: 43264kb

input:

1
2000 2000 1000000
1ILZ2@SO4;BPWLFN@6HMAVQ]NNKR2NU30EP@3WF73^1BSKIP:VS7KQA>T\T63TAAK]8a4@7F0LD3V4LRN?M105L@>A<5D@S=MI9G9O<7<UQaF61VK;EQBEG`F8DOJ?L67;CL=@Q_IAPU2TP:43=O42I85UC\2L18KKP5MSFX73;\PFCQ:IB9?M<:FI?;N1I1>362O:;:1WQ6=Q7T=RW\WJMTQJ40U6JU>_@H:H6K0Y?[>H@K6@5AG]OEUEH>3G5C@OJ1E8O0CaO68??>A\C`:F8T...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result:

ok single line: '111111111111111111111111111111...1111111111111111111111111111111'

Test #12:

score: -100
Time Limit Exceeded

input:

1
2000 2000 1000000
=H=4F4S`A?@V<E8]HBU>190VP7EDDC6EH3P4CP6K2Z3OP@LI<7H`OM:F:=FOH9BW=<1ZGIK^7P0<9RK73Z1EFKO5QC5L25TCV`HT3D@RQ_2GE<SK;_D^0;>FSL5X9_Q0L\L7TW@_ULQE0Z;MG1O:3>F<MX=:V];@=1A@;^V^E\;F:[8S@SFY340R=@Wa8NSMS[UC5KV6JNV3EA<80_;a>`2:>A28OI=EL2?aTDL3WRNY4H8R2aIY14DAHJ>6UIEOS_?=AF6];\BK3]?<TYU5=`3^...

output:


result: