#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define PB push_back
int nj,mj[60],parj[10005],wj[10005],kj,sj[60],oj[60],paj;
ll anj[60];
bool ej[60][60];
vector<int>gj[10005];
int findj(int x){
if(x==parj[x])return x;
return parj[x]=findj(parj[x]);
}
bool samej(int x,int y){return findj(x)==findj(y);}
void unitj(int x,int y){parj[findj(x)]=findj(y);}
void dfs1j(int v,int p){
oj[kj]=v;
wj[v]=kj++;
if(p!=-1){
ej[wj[v]][wj[p]]=true;
ej[wj[p]][wj[v]]=true;
sj[wj[v]]++;
sj[wj[p]]++;
}
if(kj==60)return;
for(int i=0;i<gj[v].size();i++){
int u=gj[v][i];
if(u!=p)dfs1j(u,v);
}
}
void dfs2j(int v,int l,int p,int o[60],bool e[60][60],int s[60]){
if(wj[v]!=-1){
for(int i=0;i<gj[v].size();i++){
int u=gj[v][i];
if(u!=p){
dfs2j(u,wj[v],v,o,e,s);
}
}
return;
}
int r;
for(int i=0;i<60;i++){
if(s[i]==1&&o[i]!=p){
r=i;
break;
}
}
for(int i=0;i<60;i++){
e[r][i]=false;
e[i][r]=false;
}
wj[v]=r;
o[r]=v;
e[r][l]=true;
e[l][r]=true;
s[l]++;
for(int i=0;i<gj[v].size();i++){
int u=gj[v][i];
if(u!=p){
dfs2j(u,wj[v],v,o,e,s);
}
}
}
void Joi(int N,int M,int A[],int B[],ll X,int t){
nj=N;
for(int i=0;i<nj;i++){
parj[i]=i;
wj[i]=-1;
}
for(int i=0;i<M;i++){
if(!samej(A[i],B[i])){
gj[A[i]].PB(B[i]);
gj[B[i]].PB(A[i]);
unitj(A[i],B[i]);
}
}
for(int i=0;i<60;i++)mj[i]=(X>>i)&1;
dfs1j(0,-1);
dfs2j(0,wj[0],-1,oj,ej,sj);
for(int i=0;i<nj;i++){
MessageBoard(i,mj[wj[i]]);
}
}
#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define PB push_back
int n,m[60],par[10005],w[10005],k,S[60],O[60],PA;
ll an[60];
bool E[60][60];
vector<int>g[10005];
int find(int x){
if(x==par[x])return x;
return par[x]=find(par[x]);
}
bool same(int x,int y){return find(x)==find(y);}
void unit(int x,int y){par[find(x)]=find(y);}
void dfs1(int v,int p){
O[k]=v;
w[v]=k++;
if(p!=-1){
E[w[v]][w[p]]=true;
E[w[p]][w[v]]=true;
S[w[v]]++;
S[w[p]]++;
}
if(k==60)return;
for(int i=0;i<g[v].size();i++){
int u=g[v][i];
if(u!=p)dfs1(u,v);
}
}
void dfs3(int v,int l,int p,int o[60],bool e[60][60],int s[60]){
if(w[v]!=-1){
for(int i=0;i<g[v].size();i++){
int u=g[v][i];
if(u!=p){
dfs3(u,w[v],v,o,e,s);
}
}
return;
}
int r;
for(int i=0;i<60;i++){
if(s[i]==1&&o[i]!=p){
r=i;
break;
}
}
for(int i=0;i<60;i++){
e[r][i]=false;
e[i][r]=false;
}
w[v]=r;
o[r]=v;
e[r][l]=true;
e[l][r]=true;
s[l]++;
if(v==PA){
for(int i=0;i<60;i++){
O[i]=o[i];
for(int j=0;j<60;j++){
E[i][j]=e[i][j];
}
}
return;
}
for(int i=0;i<g[v].size();i++){
int u=g[v][i];
if(u!=p){
dfs3(u,w[v],v,o,e,s);
}
}
}
void ans(int v,int p,int x){
an[v]=x;
for(int i=0;i<60;i++){
if(E[v][i]&&i!=p){
ans(i,v,Move(O[i]));
}
}
if(p!=-1)Move(O[p]);
}
ll Ioi(int N,int M,int A[],int B[],int P,int X,int t){
n=N;
PA=P;
for(int i=0;i<n;i++){
par[i]=i;
w[i]=-1;
}
for(int i=0;i<M;i++){
if(!same(A[i],B[i])){
g[A[i]].PB(B[i]);
g[B[i]].PB(A[i]);
unit(A[i],B[i]);
}
}
dfs1(0,-1);
if(w[P]==-1)dfs3(0,w[0],-1,O,E,S);
ans(w[P],-1,X);
ll res=0;
for(ll i=0;i<60;i++)if(an[i]>0)res+=(1LL<<i);
return res;
}
Compilation message
Joi.cpp: In function 'void dfs1j(int, int)':
Joi.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<gj[v].size();i++){
~^~~~~~~~~~~~~
Joi.cpp: In function 'void dfs2j(int, int, int, int*, bool (*)[60], int*)':
Joi.cpp:33:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<gj[v].size();i++){
~^~~~~~~~~~~~~
Joi.cpp:57:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<gj[v].size();i++){
~^~~~~~~~~~~~~
Joi.cpp:41:9: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
int r;
^
Ioi.cpp: In function 'void dfs1(int, int)':
Ioi.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<g[v].size();i++){
~^~~~~~~~~~~~
Ioi.cpp: In function 'void dfs3(int, int, int, int*, bool (*)[60], int*)':
Ioi.cpp:33:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<g[v].size();i++){
~^~~~~~~~~~~~
Ioi.cpp:66:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<g[v].size();i++){
~^~~~~~~~~~~~
Ioi.cpp:41:9: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
int r;
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4 ms |
1264 KB |
Wrong Answer [3] |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
11 ms |
2424 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
1264 KB |
Output is correct |
| 2 |
Correct |
4 ms |
1184 KB |
Output is correct |
| 3 |
Incorrect |
4 ms |
1264 KB |
Wrong Answer [7] |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
11 ms |
2424 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
12 ms |
2492 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 2 |
Halted |
0 ms |
0 KB |
- |
