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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#794361 | #9810. Obliviate, Then Reincarnate | ucup-team3161# | WA | 211ms | 94380kb | C++17 | 1.5kb | 2024-11-30 13:53:24 | 2024-11-30 13:53:26 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define eb emplace_back
const int N=1e6+5;
int n,m,c,dfn[N],low[N],st[N],bl[N];
ll s[N];bool vs[N],tg[N];
vector<int> e2[N];
vector<pii> e[N],e1[N];
void dfs(int u,ll s1)
{
if(vs[u])
{
if(s[u]!=s1) tg[bl[u]]=1;
return;
}
vs[u]=1;s[u]=s1;
for(auto [v,w]:e[u]) if(bl[u]==bl[v]) dfs(v,s1+w);
for(auto [v,w]:e1[u]) if(bl[u]==bl[v]) dfs(v,s1+w);
}
void Tarjan(int u)
{
dfn[u]=low[u]=++dfn[0];
st[++st[0]]=u;
for(auto [v,w]:e[u])
if(!dfn[v]) Tarjan(v),low[u]=min(low[u],low[v]);
else if(!bl[v]) low[u]=min(low[u],dfn[v]);
if(dfn[u]==low[u])
{
bl[++bl[0]]=u;
while(st[st[0]]!=u) bl[st[st[0]--]]=bl[0];--st[0];
}
}
int main()
{
scanf("%d %d %d",&n,&m,&c);
for(int i=1,u,v,x;i<=m;++i)
{
scanf("%d %d",&u,&x);
u=(u%n+n)%n;
v=((u+x)%n+n)%n;
++u;++v;
e[u].eb(v,x);
e1[v].eb(u,x);
}
for(int i=1;i<=n;++i) if(!dfn[i]) Tarjan(i);
for(int i=1;i<=n;++i) if(!vs[i]) dfs(i,0);
for(int i=1;i<=n;++i) for(auto [j,w]:e[i])
if(bl[i]!=bl[j]) e2[bl[i]].eb(bl[j]);
for(int i=1;i<=bl[0];++i)
for(auto j:e2[i]) tg[i]|=tg[j];
for(int i=1,u;i<=c;++i)
{
scanf("%d",&u);
u=((u%n)+n)%n;
++u;
puts(tg[u]?"Yes":"No");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 4ms
memory: 75604kb
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: 12ms
memory: 75500kb
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: 7ms
memory: 74336kb
input:
1 1 1 0 1000000000 -1000000000
output:
Yes
result:
ok "Yes"
Test #4:
score: 0
Accepted
time: 13ms
memory: 75692kb
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: 211ms
memory: 94380kb
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:
No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No No ...
result:
wrong answer 73645th words differ - expected: 'No', found: 'Yes'