QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#706387 | #8140. Customs Controls 2 | Yaimsea# | RE | 2ms | 10088kb | C++20 | 1.7kb | 2024-11-03 11:00:44 | 2024-11-03 11:00:46 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
vector<int> E1[200010],E2[200010],E3[200010];
int n,m,du1[200010],du2[200010],id[200010],f[200010],ans[200010],dp[200010];
int head,tail,q[200010];
int getf(int x)
{
if(f[x]==x)
return x;
f[x]=getf(f[x]);
return f[x];
}
inline void merge(int x,int y)
{
int t1=getf(x),t2=getf(y);
if(t1!=t2)
f[t2]=t1;
return;
}
int main()
{
int i,u,v,las,sum,num,vis,T;
scanf("%d",&T);
while(T--)
{
scanf("%d %d",&n,&m);
for(i=1;i<=m;++i)
{
scanf("%d %d",&u,&v);
E1[u].push_back(v);
E3[v].push_back(u);
++du1[v];
}
for(i=1;i<=n;++i)
f[i]=i;
for(i=1;i<=n;++i)
{
u=i,vis=0;
for(auto v:E3[u])
{
if(!vis)
las=v,vis=1;
else
{
merge(las,v);
las=v;
}
}
}
for(i=1;i<=n;++i)
id[i]=getf(i);
sum=0;
for(i=1;i<=n;++i)
{
u=i;
for(auto v:E1[u])
{
E2[id[u]].push_back(id[v]);
++sum,++du2[id[v]];
}
}
head=1,tail=2,q[1]=1,dp[1]=1,num=0;
while(head<tail)
{
u=q[head];
for(auto v:E2[u])
{
--du2[v],++num,dp[v]=max(dp[v],dp[u]+1);
if(!du2[v])
q[tail]=v,++tail;
}
++head;
}
if(num!=sum)
printf("No\n");
else
{
head=1,tail=2,q[1]=1,ans[1]=1;
while(head<tail)
{
u=q[head];
for(auto v:E1[u])
{
--du1[v],ans[v]=dp[id[v]]-dp[id[u]];
if(!du2[v])
q[tail]=v,++tail;
}
++head;
}
printf("Yes\n");
for(i=1;i<=n;++i)
printf("%d ",ans[i]);
printf("\n");
}
for(i=1;i<=n;++i)
{
E1[i].clear(); E2[i].clear(); E3[i].clear();
du1[i]=du2[i]=0;
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 10008kb
input:
2 3 3 1 2 1 3 2 3 8 9 1 2 1 3 1 4 2 5 3 6 4 7 5 8 6 8 7 8
output:
No Yes 1 1 3 1 3 1 3 1
result:
ok ok (2 test cases)
Test #2:
score: 0
Accepted
time: 2ms
memory: 10088kb
input:
2 11 16 1 2 1 3 1 4 1 5 2 6 4 6 3 7 4 7 5 8 6 8 2 9 3 9 7 10 8 10 9 11 10 11 8 10 1 2 1 3 2 4 3 5 3 6 4 6 2 7 5 7 6 8 7 8
output:
Yes 1 1 1 1 2 1 2 1 3 1 1 No
result:
ok ok (2 test cases)
Test #3:
score: 0
Accepted
time: 2ms
memory: 7984kb
input:
1 8 10 1 2 1 3 2 4 3 5 3 6 4 6 2 7 5 7 6 8 7 8
output:
No
result:
ok ok (1 test case)
Test #4:
score: 0
Accepted
time: 0ms
memory: 10076kb
input:
1 11 16 1 2 1 3 1 4 1 5 2 6 4 6 3 7 4 7 5 8 6 8 2 9 3 9 7 10 8 10 9 11 10 11
output:
Yes 1 1 1 1 2 1 2 1 3 1 1
result:
ok ok (1 test case)
Test #5:
score: 0
Accepted
time: 0ms
memory: 7948kb
input:
1 3 3 1 2 1 3 2 3
output:
No
result:
ok ok (1 test case)
Test #6:
score: 0
Accepted
time: 2ms
memory: 7960kb
input:
1 15 24 1 3 1 7 1 6 1 12 3 11 3 5 3 13 3 14 3 8 7 11 7 13 7 14 11 2 11 10 6 9 5 9 13 9 14 4 8 4 2 4 10 4 9 4 12 15 4 15
output:
Yes 1 1 1 1 1 2 1 2 1 1 1 4 1 2 1
result:
ok ok (1 test case)
Test #7:
score: 0
Accepted
time: 2ms
memory: 10020kb
input:
10 20 40 1 8 1 11 1 19 8 7 8 16 8 15 8 14 8 4 8 17 11 5 11 6 11 2 11 3 7 6 7 2 7 3 16 9 16 12 15 9 15 12 14 9 4 18 4 10 5 13 5 10 6 18 6 10 2 13 2 18 3 18 3 10 9 13 9 10 12 13 12 10 19 20 17 20 13 20 18 20 10 20 20 30 8 19 19 12 5 12 5 10 10 4 18 4 18 14 14 6 15 6 15 7 7 3 17 3 17 2 2 16 9 16 9 11 1...
output:
Yes 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 3 1 4 1 No Yes 1 1 1 7 7 1 2 1 5 2 6 3 7 2 5 1 1 1 4 1 Yes 1 3 8 4 2 1 1 10 8 6 1 1 1 1 2 1 2 2 7 1 Yes 1 5 1 1 1 1 3 10 8 10 12 1 8 2 4 5 3 8 3 1 Yes 1 1 1 8 3 1 1 8 8 9 1 1 10 11 1 10 2 8 8 3 Yes 1 12 1 1 6 6 11 1 2 9 12 1 1 13 1 2 15 1 5 1 No Yes 1 13 15 ...
result:
ok ok (10 test cases)
Test #8:
score: -100
Runtime Error
input:
10 1919 3195 1888 1186 1186 519 1514 519 1514 859 859 1634 977 1634 977 185 185 1250 1103 1250 1103 463 463 1683 426 1683 426 1728 1728 1402 1612 1402 1612 1789 1789 857 586 857 586 1669 1669 1376 1833 1376 1833 1076 1076 749 733 749 733 551 551 217 1717 217 1717 862 862 319 96 319 96 479 479 1381 1...