QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#798306 | #9810. Obliviate, Then Reincarnate | XJK404 | WA | 511ms | 39984kb | C++14 | 2.2kb | 2024-12-04 11:33:46 | 2024-12-04 11:33:48 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int tot,ver[2145141],head[2145141],nex[2145141],n,m,u,v,son[2145141];
int dfn[2145141],low[2145141],h[2145141],top,fa[2145141];
int stac[2145141],st,tot2,ver2[2145141],nex2[2145141],head2[2145141],h2[2145141];
queue<int> q;
int Q;
int ans[2145141];
long long edge[2145141],lef[2145141];
void add(int x,int y,long long leng)
{
nex[++tot]=head[x];
head[x]=tot;
ver[tot]=y;
edge[tot]=leng;
}
void add2(int x,int y)
{
nex2[++tot2]=head2[x];
head2[x]=tot2;
ver2[tot2]=y;
son[y]++;
}
long long cal(long long A)
{
return (A%n+n)%n;
}
void tarjan(int x)
{
h[x]=1;
stac[++st]=x;
dfn[x]=low[x]=++top;
for(int i=head[x];i;i=nex[i])
{
int y=ver[i];
if(!dfn[y])
{
lef[st]=edge[i];
tarjan(y);
low[x]=min(low[x],low[y]);
}
else
{
if(h[y])
{
lef[st]=edge[i];
low[x]=min(low[x],dfn[y]);
}
}
}
if(dfn[x]==low[x])
{
long long le=0,qq=st;
int cnt=0;
while(stac[st]!=x)
{
cnt++;
le+=lef[st];
fa[stac[st]]=x;
h[stac[st]]=0;
st--;
}
le+=lef[st];
if(le!=0&&cnt>0)
{
for(int i=st;i<=qq;i++)
ans[stac[i]]=1;
}
if(cnt==0&&lef[st]%n==0&&lef[st]!=0)
ans[x]=1;
st--;
h[x]=0;
}
return;
}
void topsort()
{
for(int i=0;i<n;i++)
if(son[fa[i]]==0)
q.push(fa[i]);
while(!q.empty())
{
int g=q.front();
q.pop();
if(h2[g]==0)
{
h2[g]=1;
for(int i=head2[g];i;i=nex2[i])
{
int y=ver2[i];
son[y]--;
ans[y]=max(ans[y],ans[g]);
if(son[y]==0)
q.push(y);
}
}
}
}
string P(int x)
{
if(x==1)return "Yes";
return "No";
}
int main()
{
cin>>n>>m>>Q;
for(int i=1;i<=m;i++)
{
cin>>u>>v;
add(cal(u),cal(u+v),v);
}
for(int i=0;i<n;i++)
fa[i]=i;
for(int i=0;i<n;i++)
{
if(!dfn[i])
{
tarjan(i);
}
}
for(int i=0;i<n;i++)
{
for(int j=head[i];j;j=nex[j])
{
int y=ver[j];
if(fa[i]!=fa[y])
{
add2(fa[y],fa[i]);
}
}
}
topsort();
for(int i=1;i<=Q;i++)
{
long long FT;
cin>>FT;
FT=cal(FT);
cout<<P(ans[FT])<<endl;
}
return 0;
}
/*
5 5 5
1 1
2 1
3 1
4 -11
3 2
0
1
2
3
4
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 26352kb
input:
3 2 3 1 1 -1 3 1 2 3
output:
Yes Yes No
result:
ok 3 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 24068kb
input:
3 2 3 1 1 -1 0 1 2 3
output:
No No No
result:
ok 3 tokens
Test #3:
score: 0
Accepted
time: 2ms
memory: 20260kb
input:
1 1 1 0 1000000000 -1000000000
output:
Yes
result:
ok "Yes"
Test #4:
score: 0
Accepted
time: 3ms
memory: 17980kb
input:
3 2 3 0 1000000000 1 -1000000000 -1000000000 0 -1000000000
output:
No No No
result:
ok 3 tokens
Test #5:
score: -100
Wrong Answer
time: 511ms
memory: 39984kb
input:
50134 500000 500000 -154428638 -283522863 -186373509 -327130969 154999046 46750274 -933523447 349415487 -437683609 140099255 864996699 -262318199 811293034 -264299324 120273173 52410685 874944410 -52048424 445049930 -803690605 -138111276 -104634331 720288580 126597671 471164416 -348777147 -356502322...
output:
Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes ...
result:
wrong answer 1st words differ - expected: 'No', found: 'Yes'