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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#360284 | #6127. Kawa Exam | viq2347 | WA | 899ms | 42632kb | C++14 | 2.3kb | 2024-03-21 16:53:50 | 2024-03-21 16:53:50 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define RSET(_$,$_) for(int _=1;_<=$_;++_)_$[_].clear();
constexpr int N=1e5+7;
int c[N],po[N],low[N],c1,c2;
basic_string<pair<int,int>>e[N],g[N];
basic_string<int>stk,cpo[N];
inline void tarjan(int x,int f){
stk+=x;
int dfn=low[x]=++c1;
for(auto[i,_]:e[x]) if(_!=f){
if(!low[i]) tarjan(i,_);
low[x]<low[i]?:low[x]=low[i];
}
if(low[x]==dfn){
++c2;
do cpo[c2]+=stk.back(),
po[stk.back()]=c2,
stk.pop_back();
while(cpo[c2].back()!=x);
}
}
map<int,int> M[N],P,_p,Q,_q;
int h[N],s[N],A[N],res[N];
bitset<N> vi;
inline void dfs1(int x,int f){
int t=0;
s[x]=1;
for(auto[i,_]:g[x]) if(i!=f){
A[i]=_,dfs1(i,x);
s[i]<t?:(t=s[i],h[x]=i);
s[x]+=s[i];
}
}
inline void upd(int x){
for(auto[k,c]:M[x])
--_p[P[k]], P[k]+=c, ++_p[P[k]];
for(auto[k,c]:M[x])
--_q[Q[k]],_q[Q[k]]?:_q.erase(Q[k]),
Q[k]-=c, ++_q[Q[k]];
}
inline void dfs2(int x,int f){
for(auto[i,_]:g[x]) if(i!=f)
dfs2(i,x);
upd(x);
}
int la;
void dfs3(int x,int f,bool d=0){
vi[x]=1;
if(h[x]){
for(auto[i,_]:g[x]) if(i!=f&&i!=h[x]) dfs3(i,x);
dfs3(h[x],x,1);
for(auto[i,_]:g[x]) if(i!=f&&i!=h[x]) dfs2(i,x);}
upd(x);
res[A[x]]=_p.rbegin()->first+_q.rbegin()->first-la;
if(!d){for(auto[k,c]:P)--_q[Q[k]],Q[k]+=c,++_q[Q[k]];
P.clear(), _p.clear();}
}
inline void dfs4(int x,int f){
for(auto[k,c]:M[x])
--_q[Q[k]], Q[k]+=c, ++_q[Q[k]];
for(auto[i,_]:g[x]) if(i!=f)
dfs4(i,x);
}
main(){
cin.tie(0)->sync_with_stdio(0);
int t;
cin>>t;
while(t--){
int n,m,tans=c1=c2=0;
cin>>n>>m;
for(int i=1;i<=n;++i)
cin>>c[i];
for(int i=1,p,q;i<=m;++i)
cin>>p>>q,
e[p]+={q,i},e[q]+={p,i};
for(int i=1;i<=n;++i)
if(!low[i]) tarjan(i,0);
for(int i=1;i<=c2;++i)
for(int j:cpo[i])
++M[i][c[j]];
for(int i=1;i<=n;++i) for(auto[j,id]:e[i])
if(po[i]!=po[j])
g[po[i]]+={po[j],id};
for(int i=1;i<=c2;++i)
if(!s[i]) dfs1(i,0);
for(int i=1;i<=c2;++i) if(!vi[i]){
P.clear(),_p.clear();Q.clear(),_q.clear();
dfs4(i,0);
tans+=la=_q.rbegin()->first;
dfs3(i,0,1);
}
for(int i=1;i<=m;++i)
cout<<res[i]+tans<<" \n"[i==m];
RSET(e,n);RSET(g,c2);RSET(cpo,c2);RSET(M,c2);
vi.reset();
bzero(h+1,4*c2);
bzero(s+1,4*c2);
bzero(res+1,4*m);
bzero(low+1,4*n);
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 18300kb
input:
3 7 5 1 2 1 2 1 2 1 1 2 1 3 2 4 5 6 5 7 3 3 1 2 3 1 2 1 3 2 3 2 3 12345 54321 1 2 1 2 1 1
output:
6 5 5 5 4 1 1 1 1 1 1
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 899ms
memory: 42632kb
input:
5557 2 7 79960 79960 2 2 1 1 1 1 2 2 1 1 2 1 1 2 9 8 21881 70740 70740 21881 22458 22458 639 21881 70740 3 3 1 6 5 8 7 5 5 7 2 3 5 1 7 6 6 7 13064 20716 6746 13064 6746 69225 5 5 4 1 4 1 1 6 4 5 3 2 3 2 8 4 45146 14400 45146 45146 14400 72969 14400 45146 8 6 1 3 4 6 8 3 18 13 48132 37949 92338 92338...
output:
2 2 2 2 2 2 2 6 6 7 6 6 6 6 6 3 3 3 4 4 3 3 7 7 7 7 9 9 9 8 9 8 9 8 9 9 10 9 9 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 7 8 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 9 10 9 16 16 16 16 16 17 16 16 10 10 10 10 10 11 10 10 10 10 10 10 10 12 10 10 10 10 10 11 9 9 9 9 9 9 9 9 9 9 9 9 9 9 10 9...
result:
wrong answer 12th lines differ - expected: '10 10 11 10 12 11 10 10 10 10 10 10 10 12 10 10 10 10 10 11', found: '10 10 10 10 10 11 10 10 10 10 10 10 10 12 10 10 10 10 10 11'