QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#102748 | #5250. Combination Locks | zswzswzsw# | AC ✓ | 23ms | 13956kb | C++14 | 2.5kb | 2023-05-03 16:59:10 | 2023-05-03 16:59:11 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<cstring>
#include<string>
#include<vector>
using namespace std;
const int N=201000;
const int inf=1e9+7;
long long read(void)
{
char ch=getchar();long long sum=0;bool f=0;
while((ch<'0'||ch>'9')&&ch!='-')ch=getchar();
if(ch=='-')f=1,ch=getchar();
while(ch>='0'&&ch<='9')sum=sum*10+ch-'0',ch=getchar();
if(f)sum=-sum;return sum;
}
int n,m,Len=1,hd,tl,S,T;
int D[N],que[N],cur[N];
vector<int>G[N];
int PC[N];
int All,o;
string st1,st2;
bool ct[N];
struct E
{
int from,to;
long long cap,flow;
}edge[N];
void addedge(int x,int y,int w){
edge[++Len]=(E){x,y,w,0};G[x].push_back(Len);
edge[++Len]=(E){y,x,0,0};G[y].push_back(Len);
return;
}
bool BFS(void)
{
hd=1;tl=0;
for(int i=1;i<=T;i++)D[i]=0;que[++tl]=S;D[S]=1;
while(hd<=tl)
{
int u=que[hd++];if(ct[u])continue;
for(int i=0,p,v;i<G[u].size();i++)
{
p=G[u][i];v=edge[p].to;if(ct[v])continue;
if(!D[v]&&edge[p].cap>edge[p].flow)D[v]=D[u]+1,que[++tl]=v;
}
}return D[T];
}
long long Dinic(int u,long long c)
{
if(!c||u==T)return c;
if(ct[u])return 0;
int f=0,ff=0;
for(int &i=cur[u],p,v;i<G[u].size();i++)
{
p=G[u][i];v=edge[p].to;if(ct[v])continue;
if(D[v]==D[u]+1&&edge[p].cap>edge[p].flow)
{
f=Dinic(v,min(edge[p].cap-edge[p].flow,c));
if(f){edge[p].flow+=f;edge[p^1].flow-=f;ff+=f;c-=f;if(!c)break;}
}
}return ff;
}
long long Maxflow(void)
{
long long Res=0;
while(BFS())
{
for(int i=1;i<=T;i++)cur[i]=0;
Res+=Dinic(S,inf);
}return Res;
}
void clear(void)
{
for(int i=2;i<=Len;i++)edge[i].flow=0;
return;
}
int lowbit(int x){
return x&-x;
}
bool chk(int x){
int cnt=0;
while(x)x-=lowbit(x),cnt^=1;
return cnt;
}
void Init(void)
{
S=(1<<10)+1;T=(1<<10)+2;
PC[0]=0;All=(1<<10);
for(int i=0;i<All;i++)
{
if(i!=0)PC[i]=PC[i-lowbit(i)]+1;
if(PC[i]&1){
addedge(S,i+1,1);
for(int j=1;j<=10;j++)
addedge(i+1,(i^(1<<(j-1)))+1,1);
}
else addedge(i+1,T,1);
}return;
}
int main()
{
int tt=read();
Init();
while(tt--)
{
for(int i=1;i<S;i++)ct[i]=1;
n=read();m=read();
for(int i=1;i<=(1<<n);i++)ct[i]=0;
cin>>st1>>st2;
o=0;
for(int i=1;i<=n;i++)if(st1[i-1]!=st2[i-1])o|=(1<<(i-1));++o;
for(int i=1,t;i<=m;i++){
cin>>st1;t=0;
for(int j=1;j<=n;j++)
if(st1[j-1]=='.')t|=(1<<(j-1));
++t;
ct[t]=1;
}
clear();
int res=Maxflow();
ct[o]=1;
clear();
if(res==Maxflow())puts("Bob");
else puts("Alice");
}
return 0;
}
/*
1
3 1
204
101
.==
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 3ms
memory: 11960kb
input:
2 1 0 0 0 1 1 0 0 .
output:
Alice Bob
result:
ok 2 lines
Test #2:
score: 0
Accepted
time: 5ms
memory: 12024kb
input:
8 2 0 00 00 2 1 00 00 .. 2 1 00 00 =. 2 2 00 00 .. =. 2 1 00 00 .= 2 2 00 00 .. .= 2 2 00 00 =. .= 2 3 00 00 .. =. .=
output:
Alice Alice Bob Alice Bob Alice Bob Bob
result:
ok 8 lines
Test #3:
score: 0
Accepted
time: 3ms
memory: 12084kb
input:
20 4 4 4714 5245 ..=. ..== .==. ==.. 4 1 2697 1438 .=.. 4 5 9255 0677 ...= ..== =..= ==.= ==== 4 12 3292 7326 ...= ..=. ..== .=.. .=.= .==. =... =..= =.== ==.. ==.= ==== 4 9 8455 2536 ...= ..== .=.. .=.= .==. .=== =... ==.. ===. 4 12 5755 1517 ...= ..=. ..== .=.. .=.= .=== =..= =.=. =.== ==.. ==.= =...
output:
Alice Bob Alice Bob Bob Alice Bob Bob Alice Alice Bob Alice Alice Bob Bob Bob Bob Bob Bob Bob
result:
ok 20 lines
Test #4:
score: 0
Accepted
time: 5ms
memory: 11908kb
input:
20 5 30 99942 90170 ..... ....= ...== ..=.. ..=.= ..==. ..=== .=... .=..= .=.=. .=.== .==.. .==.= .===. .==== =...= =..=. =..== =.=.. =.=.= =.==. =.=== ==... ==..= ==.=. ==.== ===.. ===.= ====. ===== 5 14 11760 95480 ...=. ...== ..=.. ..=.= .=... .=..= .==== =.... =...= =.=.. =.==. ==... ==.== =====...
output:
Bob Alice Alice Alice Alice Bob Bob Bob Alice Alice Alice Bob Alice Alice Alice Alice Alice Alice Alice Bob
result:
ok 20 lines
Test #5:
score: 0
Accepted
time: 2ms
memory: 12096kb
input:
20 6 62 188256 588825 ...... .....= ....=. ....== ...=.. ...=.= ...==. ...=== ..=... ..=..= ..=.=. ..=.== ..==.. ..==.= ..===. ..==== .=.... .=...= .=..=. .=..== .=.=.. .=.=.= .=.==. .=.=== .==..= .==.=. .==.== .===.. .===.= .===== =..... =....= =...=. =...== =..=.. =..=.= =..==. =..=== =.=... =.=.....
output:
Bob Bob Alice Alice Alice Bob Bob Bob Bob Alice Bob Bob Alice Alice Alice Bob Alice Alice Alice Alice
result:
ok 20 lines
Test #6:
score: 0
Accepted
time: 0ms
memory: 9788kb
input:
20 7 34 1829551 8802318 ....=.= ...=.== ...===. ..=..=. ..=..== ..=.==. .=...== .=..=== .=.=.=. .=.==.. .==.... .==...= .==.=.= .==.=== .===.== =.....= =..=.=. =..=.== =..==.. =..==.= =.=.=.. =.=.=.= =.==..= =.==.=. =.===.. =.===.= =.===== ==..... ==..=== ==.==.= ===.... ===..== ====.== =====.= 7 56...
output:
Alice Bob Bob Alice Bob Bob Alice Bob Alice Bob Alice Alice Alice Bob Bob Alice Bob Bob Alice Bob
result:
ok 20 lines
Test #7:
score: 0
Accepted
time: 8ms
memory: 11916kb
input:
20 8 101 98515990 35971617 ......== ....==.. ....==.= ...=.=.. ...=.=.= ...=.==. ...==... ...==.== ...===.. ...===.= ...====. ..=..=.. ..=..==. ..=.=..= ..=.=.== ..=.==.= ..=.===. ..==...= ..==..== ..==.=.. ..==.=.= ..===..= .=...=.. .=...=.= .=...=== .=..=... .=..=..= .=..==.= .=..===. .=..==== .=....
output:
Alice Alice Bob Alice Alice Alice Alice Bob Bob Bob Bob Bob Bob Alice Bob Alice Bob Bob Alice Bob
result:
ok 20 lines
Test #8:
score: 0
Accepted
time: 9ms
memory: 11904kb
input:
20 9 280 799210637 072013670 ......... ......=.= ......==. .....=... .....=..= .....=.=. .....===. .....==== ....=.... ....=.==. ....==... ....==..= ....==.== ....===== ...=..... ...=....= ...=...== ...=..=.. ...=..=.= ...=..==. ...=.=... ...=.=..= ...=.=.=. ...=.=.== ...=.==.= ...=.==== ...==..=. ....
output:
Alice Bob Bob Alice Bob Bob Alice Alice Bob Bob Bob Bob Alice Bob Bob Alice Alice Bob Alice Bob
result:
ok 20 lines
Test #9:
score: 0
Accepted
time: 3ms
memory: 13880kb
input:
20 3 0 000 000 3 1 000 000 ... 3 1 000 000 =.. 3 2 000 000 ... =.. 3 1 000 000 .=. 3 2 000 000 ... .=. 3 2 000 000 =.. .=. 3 3 000 000 ... =.. .=. 3 1 000 000 ==. 3 2 000 000 ... ==. 3 2 000 000 =.. ==. 3 3 000 000 ... =.. ==. 3 2 000 000 .=. ==. 3 3 000 000 ... .=. ==. 3 3 000 000 =.. .=. ==. 3 4 0...
output:
Alice Bob Alice Alice Alice Alice Alice Alice Bob Bob Alice Bob Alice Bob Alice Alice Alice Alice Alice Alice
result:
ok 20 lines
Test #10:
score: 0
Accepted
time: 1ms
memory: 11876kb
input:
20 3 2 000 000 .=. ..= 3 3 000 000 ... .=. ..= 3 3 000 000 =.. .=. ..= 3 4 000 000 ... =.. .=. ..= 3 2 000 000 ==. ..= 3 3 000 000 ... ==. ..= 3 3 000 000 =.. ==. ..= 3 4 000 000 ... =.. ==. ..= 3 3 000 000 .=. ==. ..= 3 4 000 000 ... .=. ==. ..= 3 4 000 000 =.. .=. ==. ..= 3 5 000 000 ... =.. .=. =...
output:
Alice Alice Alice Alice Alice Bob Alice Alice Alice Alice Alice Alice Bob Bob Alice Bob Alice Bob Alice Alice
result:
ok 20 lines
Test #11:
score: 0
Accepted
time: 2ms
memory: 11976kb
input:
20 3 2 000 000 ==. =.= 3 3 000 000 ... ==. =.= 3 3 000 000 =.. ==. =.= 3 4 000 000 ... =.. ==. =.= 3 3 000 000 .=. ==. =.= 3 4 000 000 ... .=. ==. =.= 3 4 000 000 =.. .=. ==. =.= 3 5 000 000 ... =.. .=. ==. =.= 3 2 000 000 ..= =.= 3 3 000 000 ... ..= =.= 3 3 000 000 =.. ..= =.= 3 4 000 000 ... =.. ....
output:
Bob Bob Bob Bob Bob Bob Alice Bob Alice Bob Alice Alice Alice Alice Alice Alice Bob Bob Alice Bob
result:
ok 20 lines
Test #12:
score: 0
Accepted
time: 1ms
memory: 13956kb
input:
20 3 4 000 000 .=. ==. ..= =.= 3 5 000 000 ... .=. ==. ..= =.= 3 5 000 000 =.. .=. ==. ..= =.= 3 6 000 000 ... =.. .=. ==. ..= =.= 3 1 000 000 .== 3 2 000 000 ... .== 3 2 000 000 =.. .== 3 3 000 000 ... =.. .== 3 2 000 000 .=. .== 3 3 000 000 ... .=. .== 3 3 000 000 =.. .=. .== 3 4 000 000 ... =.. ....
output:
Alice Alice Alice Alice Bob Bob Alice Bob Alice Bob Alice Alice Bob Bob Bob Bob Bob Bob Alice Bob
result:
ok 20 lines
Test #13:
score: 0
Accepted
time: 2ms
memory: 11920kb
input:
20 3 2 000 000 ..= .== 3 3 000 000 ... ..= .== 3 3 000 000 =.. ..= .== 3 4 000 000 ... =.. ..= .== 3 3 000 000 .=. ..= .== 3 4 000 000 ... .=. ..= .== 3 4 000 000 =.. .=. ..= .== 3 5 000 000 ... =.. .=. ..= .== 3 3 000 000 ==. ..= .== 3 4 000 000 ... ==. ..= .== 3 4 000 000 =.. ==. ..= .== 3 5 000 0...
output:
Alice Bob Alice Alice Alice Alice Alice Alice Bob Bob Alice Alice Alice Bob Alice Alice Bob Bob Bob Bob
result:
ok 20 lines
Test #14:
score: 0
Accepted
time: 4ms
memory: 9872kb
input:
20 3 3 000 000 .=. =.= .== 3 4 000 000 ... .=. =.= .== 3 4 000 000 =.. .=. =.= .== 3 5 000 000 ... =.. .=. =.= .== 3 3 000 000 ==. =.= .== 3 4 000 000 ... ==. =.= .== 3 4 000 000 =.. ==. =.= .== 3 5 000 000 ... =.. ==. =.= .== 3 4 000 000 .=. ==. =.= .== 3 5 000 000 ... .=. ==. =.= .== 3 5 000 000 =...
output:
Bob Bob Alice Alice Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Alice Bob Alice Bob Alice Alice
result:
ok 20 lines
Test #15:
score: 0
Accepted
time: 3ms
memory: 12000kb
input:
8 3 4 000 000 ==. ..= =.= .== 3 5 000 000 ... ==. ..= =.= .== 3 5 000 000 =.. ==. ..= =.= .== 3 6 000 000 ... =.. ==. ..= =.= .== 3 5 000 000 .=. ==. ..= =.= .== 3 6 000 000 ... .=. ==. ..= =.= .== 3 6 000 000 =.. .=. ==. ..= =.= .== 3 7 000 000 ... =.. .=. ==. ..= =.= .==
output:
Bob Bob Bob Bob Bob Bob Bob Bob
result:
ok 8 lines
Test #16:
score: 0
Accepted
time: 14ms
memory: 12032kb
input:
20 10 815 4819325421 9470583705 .........= ........=. .......=.. .......=.= .......==. .......=== ......=... ......=..= ......=.=. ......=.== ......==.. ......===. ......==== .....=.... .....=..== .....=.=.. .....==... .....==..= .....==.=. .....==.== .....===.. .....===.= .....====. .....===== .......
output:
Alice Alice Alice Bob Alice Alice Alice Alice Alice Bob Alice Alice Bob Bob Alice Bob Alice Alice Alice Alice
result:
ok 20 lines
Test #17:
score: 0
Accepted
time: 23ms
memory: 11920kb
input:
20 10 7 9410870639 8237933369 .....=.=.= ...==.==.. ..===....= =..==..=.= =..==.=.== =.====.=.= ====.===.= 10 285 0225666838 4493031931 .......... .......=.. .......=== ......==.. ......==.= ......===. .....=.=.. .....=.=== .....==... .....==.== .....===.. ....=...=. ....=..=== ....=.=... ....=.=..=...
output:
Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob
result:
ok 20 lines