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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#574517 | #9319. Bull Farm | qdsdsy | WA | 196ms | 36824kb | C++14 | 3.8kb | 2024-09-18 22:31:33 | 2024-09-18 22:31:33 |
Judging History
answer
#include<cstdio>
#include<queue>
#include<algorithm>
#include<vector>
#include<bitset>
using namespace std;
#define MAXN 2010
#define MAXQ 1000010
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];
char ans[MAXQ];
vector <int> ed[MAXN];
int f[MAXN];
int find(int x){ return f[x]==x?x:f[x]=find(f[x]); }
void merge(int x,int y){
int fx=find(x),fy=find(y);
if(fx==fy) return;
if(ed[fx].size()<ed[fy].size()) swap(fx,fy);
for(int i=0;i<(int)ed[fy].size();i++)
ed[fx].push_back(ed[fy][i]);
// ed[fx].push_back(fy);
f[fy]=fx;
ed[fy].clear();
}
int dfn[MAXN],low[MAXN],tot=0;
int sta[MAXN],top=0;
int bel[MAXN],cntb=0;
bool vis[MAXN];
void tarjan(int u){
dfn[u]=low[u]=++tot;
sta[++top]=u;
vis[u]=true;
for(int i=0;i<(int)ed[u].size();i++){
int v=ed[u][i];
if(!dfn[v]){
tarjan(v);
low[u]=min(low[u],low[v]);
}else if(vis[v]) low[u]=min(low[u],low[v]);
}
if(low[u]==dfn[u]){
int t;
++cntb;
do{
t=sta[top--];
vis[t]=false;
bel[t]=cntb;
}while(t!=u);
}
}
vector <int> e[MAXN];
bitset <MAXN> to[MAXN];
void dfs(int u){
vis[u]=true;
for(int i=0;i<(int)e[u].size();i++){
int v=e[u][i];
to[u]|=to[v];
if(vis[v]) continue;
dfs(v);
to[u]|=to[v];
}
}
char s[MAXN];
int typ[MAXN];
void solve(){
scanf("%d%d%d",&n,&l,&q);
for(int i=1;i<=n;i++){
ed[i].clear();
f[i]=i;
}
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(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);
int now=0;
// for(int u=1;u<=n;u++){
// to[u]&=0;
// bel[u]=u;
// to[u][u]=1;
// }
bool upd=false;
for(int i=1;i<=q;i++){
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(int j=1;j<=n;j++)
vis[j]=false;
for(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]){
int id1=0,id2=0,id3=0;
for(int j=1;j<=n;j++) vis[j]=false;
for(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(int j=1;j<=n;j++)
if(!vis[j]) id3=j;
ed[find(id1)].push_back(find(id3));
ed[find(id2)].push_back(find(id3));
}else {
for(int j=1;j<=n;j++)
vis[j]=false;
for(int j=1;j<=n;j++){
if(!vis[j]){
int nowj=j;
do{
vis[nowj]=true;
merge(nowj,j);
nowj=t[now][nowj];
} while(nowj!=j);
}
}
}
upd=false;
}
if(!upd){
for(int j=1;j<=n;j++){
sta[j]=dfn[j]=low[j]=vis[j]=bel[j]=0;
e[j].clear();
}
cntb=tot=top=0;
for(int j=1;j<=n;j++)
if(!dfn[j]) tarjan(j);
for(int u=1;u<=n;u++){
if(u==find(u)){
for(int j=0;j<(int)ed[u].size();j++){
int v=ed[u][j];
if(bel[u]!=bel[find(v)])
e[bel[u]].push_back(bel[find(v)]);
}
}
}
for(int u=1;u<=cntb;u++){
to[u]&=0;
to[u][u]=1;
vis[u]=false;
}
for(int u=1;u<=cntb;u++)
if(!vis[u]) dfs(u);
upd=true;
}
ans[id]=(int)to[bel[find(a)]][bel[find(b)]] + '0';
}
ans[q+1]=0;
printf("%s\n",ans+1);
}
int main()
{
int t;
scanf("%d",&t);
while(t--)
solve();
return 0;
}
/*
2
5 2 4
0305040201
0404040404
030300
020500
050102
020501
6 2 4
030603010601
010203060504
030202
060402
050602
060401
*/
/*
1
3 3 6
020202
030301
030201
020102
030203
010201
010303
020303
010202
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 7996kb
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: 0ms
memory: 8076kb
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: 58ms
memory: 8004kb
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: 65ms
memory: 22932kb
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: 189ms
memory: 36740kb
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: 196ms
memory: 36756kb
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: 191ms
memory: 36796kb
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: 87ms
memory: 36824kb
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: 79ms
memory: 36748kb
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: 82ms
memory: 35528kb
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: 184ms
memory: 36812kb
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: 0
Accepted
time: 188ms
memory: 36804kb
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:
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...
result:
ok single line: '111111111111111111111111111111...1111111111111111111111111111111'
Test #13:
score: 0
Accepted
time: 67ms
memory: 7948kb
input:
200 10 10 5000 08060705040203010:09 0201090:080706050304 0201050903080:060407 0305010:020706090804 030901080:0706040205 0509070:010803060204 0:060709080203050401 0309010806050:040207 020106090703050:0408 0603020908010:050407 020700 080907 020305 070407 050509 080502 010100 020206 050809 0:0807 02040...
output:
011111111111111111101111111111111111111111111111101011111011111110111010111111111111110111111111111111111011101111111111111010110011011111111111111111011001110110101111110100111101111101101111011111111111111111111110011111110011111110111111101111111110111100111111111111111111111111111111111101011111...
result:
ok 200 lines
Test #14:
score: 0
Accepted
time: 60ms
memory: 6056kb
input:
400 5 5 2500 0405020501 0404050302 0105050105 0304010205 0402030205 040200 010203 040203 030503 050201 010502 010505 030304 020504 050503 050105 030101 020403 030403 030200 010500 050500 030403 050101 040205 030501 010503 050400 030505 040303 050101 020101 050502 020104 050101 040503 010205 050404 0...
output:
000000010100000010010000100110000010010000100000100110011000100110101000010000010010010111000000011000001000000010000011010000000110000110010100101011010010110100011000000010011010110000100110111000000101001010010100010000111101011010111101001100000011100001000000000000111000000001100010001100010000...
result:
ok 400 lines
Test #15:
score: -100
Wrong Answer
time: 67ms
memory: 7956kb
input:
20 100 100 50000 1C0=0Z1Y1A1V0U1]0M0\1:0H0a0F1J141B120T06031S1F05151H0`1Q0]0^0R0A1W0E0J1X1a0G0?1@1=0S1<0O1_0X04011N1D090D0:0L0V1^0Q0[190B071G0P0217081M0N0Y1I0@1T1O1E1[0>0I1\1>1U1L1?200_131K0Z0W181;1R0K0<1P0C1011161`0; 1K0E0@1a0Y0K1V1\0403121L0a0R0D1H1Z0[0Z0S200<1I1A0W1B0?1N1W1C0P0N0Q150C080`100_0516...
output:
001101110111011111111101110111111111110111111111111111011111111111111111111111111011111111111111110111011111111111111111110111111111011111111111110111111111111111111111111111111111111111111111011011111111101011111111111111111111011110111110111111111111011111111111101101111101111111111111111111111111...
result:
wrong answer 2nd lines differ - expected: '111011110111110111100111111011...1011110111100111100011111111111', found: '111011110111110111100111111011...1011110111100111100011111111111'