#include "Joi.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e4+7;
vector<int>V[LIM];
ll F[LIM], odl[LIM], jaki[LIM], pre[LIM], n, X, akt;
int fnd(int x) {
if(F[x]==x) return x;
return F[x]=fnd(F[x]);
}
bool uni(int a, int b) {
if(fnd(a)==fnd(b)) return false;
F[fnd(b)]=fnd(a);
return true;
}
void DFS(int x, int o) {
pre[x]=akt++;
for(auto i : V[x]) if(i!=o) {
odl[i]=odl[x]+1;
DFS(i, x);
}
}
void Joi(int _n, int _m, int _A[], int _B[], ll _X, int _T) {
n=_n; X=_X;
rep(i, n) F[i];
rep(i, _m) if(uni(_A[i], _B[i])) {
V[_A[i]].pb(_B[i]);
V[_B[i]].pb(_A[i]);
}
DFS(0, 0);
bool gleb=false;
rep(i, n) if(odl[i]>=59) gleb=true;
if(gleb) {
rep(i, n) if(X&(1ll<<(ll)(odl[i]%60))) jaki[i]=1;
} else {
rep(i, n) if(X&(1ll<<(ll)(pre[i]%60))) jaki[i]=1;
}
rep(i, n) MessageBoard(i, jaki[i]);
}
#include "Ioi.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=1e4+7;
vector<int>V[LIM];
bool kon=false;
ll F[LIM], odl[LIM], jaki[LIM], pre[LIM], oc[LIM], n, X, akt, wierz, licz;
int fnd(int x) {
if(F[x]==x) return x;
return F[x]=fnd(F[x]);
}
bool uni(int a, int b) {
if(fnd(a)==fnd(b)) return false;
F[fnd(b)]=fnd(a);
return true;
}
void DFS(int x, int o) {
pre[x]=akt++;
for(auto i : V[x]) if(i!=o) {
odl[i]=odl[x]+1;
oc[i]=x;
DFS(i, x);
}
}
void DFS2(int x, int o) {
if(licz) X|=1ll<<(ll)(pre[x]%60);
if(pre[x]==59) kon=true;
for(auto i : V[x]) {
licz=Move(i);
wierz=i;
DFS2(i, x);
if(kon) return;
licz=Move(x);
wierz=x;
}
}
ll Ioi(int _n, int _m, int _A[], int _B[], int _P, int _V, int _T) {
n=_n; wierz=_P; licz=_V;
rep(i, n) F[i];
rep(i, _m) if(uni(_A[i], _B[i])) {
V[_A[i]].pb(_B[i]);
V[_B[i]].pb(_A[i]);
}
DFS(0, 0);
if(odl[wierz]>=59) {
if(licz) X|=1ll<<(ll)(odl[wierz]%60);
rep(i, 59) {
licz=Move(oc[wierz]);
wierz=oc[wierz];
if(licz) X|=1ll<<(ll)(odl[wierz]%60);
}
return X;
}
while(wierz) {
licz=Move(oc[wierz]);
wierz=oc[wierz];
}
rep(i, n) if(odl[i]==59) {
vector<ll>A;
int x=i;
while(x) {
A.pb(x);
x=oc[x];
}
reverse(all(A));
if(licz) X|=1ll<<(ll)(odl[wierz]%60);
for(auto j : A) {
licz=Move(j);
wierz=j;
if(licz) X|=1ll<<(ll)(odl[wierz]%60);
}
return X;
}
DFS2(0, 0);
return X;
}
Compilation message
Joi.cpp: In function 'void Joi(int, int, int*, int*, ll, int)':
Joi.cpp:31:16: warning: statement has no effect [-Wunused-value]
31 | rep(i, n) F[i];
| ~~~^
Ioi.cpp: In function 'll Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:45:16: warning: statement has no effect [-Wunused-value]
45 | rep(i, n) F[i];
| ~~~^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
1296 KB |
Wrong Answer [7] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
10 ms |
3368 KB |
Wrong Answer [7] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
1376 KB |
Wrong Answer [7] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
10 ms |
3100 KB |
Wrong Answer [7] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
13 ms |
3364 KB |
Wrong Answer [7] |
2 |
Halted |
0 ms |
0 KB |
- |