oj.uz

Submission #923178

# Submission time Handle Problem Language Result Execution time Memory
923178 2024-02-06T19:47:23 Z winter0101 Amusement Park (JOI17_amusement_park) C++14
18 / 100
 19 ms 6048 KB 
#include<bits/stdc++.h>
#include "Joi.h"
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
const int maxn=1e4+9;
vector<int>a[maxn];
vector<int>g[maxn];
bool vis[maxn];
void predfs(int u){
vis[u]=1;
for (auto v:a[u]){
if (!vis[v]){
g[u].pb(v);
g[v].pb(u);
predfs(v);
}
}
}
int d[maxn],sub[maxn],p[maxn];
void dfs(int u,int par){
sub[u]=d[u];
for (auto v:g[u]){
if (v==par)continue;
d[v]=d[u]+1;
p[v]=u;
dfs(v,u);
sub[u]=max(sub[u],sub[v]);
}
}
int in[maxn],tme=0;
bool vcl[maxn];
void solve(int u,int par){
in[u]=tme++;
sort(all(a[u]),[](int i,int j){
return vcl[i]<vcl[j];
});
for (auto v:a[u]){
if (v==par)continue;
solve(v,u);
}
}
void add(int u,int v){
a[u].pb(v);
a[v].pb(u);
}
void Joi(int N, int M, int A[], int B[], long long X, int T) {
for1(i,0,M-1){
a[A[i]].pb(B[i]);
a[B[i]].pb(A[i]);
}
for1(i,0,N-1)sort(all(a[i]));
tme=0;
for1(i,0,N-1){
vcl[i]=in[i]=d[i]=sub[i]=vis[i]=0;
}
predfs(0);
dfs(0,0);
if (sub[0]+1>=60){
for1(i,0,N-1){
long long bit=d[i]%60;
MessageBoard(i,(X>>bit&1ll));
}
return;
}
for1(i,0,N-1)a[i].clear();
int nw=0;
for1(i,0,N-1)if (d[i]>d[nw])nw=i;
for1(i,0,N-1)vis[i]=0;
queue<int>t;
t.push(0);
vis[0]=1;
int tmp=nw;
int cnt=1;
while (tmp!=0){
add(p[tmp],tmp);
vcl[tmp]=vcl[p[tmp]]=1;
vis[tmp]=1;
cnt++;
t.push(tmp);
tmp=p[tmp];
}
while (!t.empty()){
auto u=t.front();
t.pop();
for (auto v:g[u]){
if (vis[v])continue;
if (cnt==60)break;
add(u,v);
vis[v]=1;
t.push(v);
cnt++;
}
}
solve(0,0);
int dem=0;
for1(i,0,N-1){
if (!vis[i]){
MessageBoard(i,0);
}
else {
long long bit=in[i]%60;
MessageBoard(i,(X>>bit&1ll));
}
}
}
#include<bits/stdc++.h>
#include "Ioi.h"
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
const int maxn=1e4+9;
vector<int>a[maxn];
vector<int>g[maxn];
bool vis[maxn];
void predfs(int u){
vis[u]=1;
for (auto v:a[u]){
if (!vis[v]){
g[u].pb(v);
g[v].pb(u);
predfs(v);
}
}
}
int d[maxn],sub[maxn],p[maxn];
void dfs(int u,int par){
sub[u]=d[u];
for (auto v:g[u]){
if (v==par)continue;
d[v]=d[u]+1;
p[v]=u;
dfs(v,u);
sub[u]=max(sub[u],sub[v]);
}
}
int in[maxn],tme=0;
bool vcl[maxn];
void solve(int u,int par){
in[u]=tme++;
sort(all(a[u]),[](int i,int j){
return vcl[i]<vcl[j];
});
for (auto v:a[u]){
if (v==par)continue;
solve(v,u);
}
}
void add(int u,int v){
a[u].pb(v);
a[v].pb(u);
}
bool type[maxn];
bool need[maxn];
int step=0;
void dfs1(int u,int par){
step++;
if (step==60)return;
sort(all(g[u]),[](int i,int j){
return sub[i]>sub[j];
});
for (auto v:g[u]){
if (v==par)continue;
need[v]=1;
type[v]=Move(v);
dfs1(v,u);
break;
}
}
bool fl=false;
void last(int u,int par,int vertice){
if (u==vertice)fl=true;
need[u]=1;
for (auto v:a[u]){
if (v==par)continue;
type[v]=Move(v);
last(v,u,vertice);
if (!fl){
type[u]=Move(u);
}
}
}
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
for1(i,0,N-1){
a[i].clear(),g[i].clear();
}
for1(i,0,M-1){
a[A[i]].pb(B[i]);
a[B[i]].pb(A[i]);
}
for1(i,0,N-1)sort(all(a[i]));
tme=0;
for1(i,0,N-1){
vcl[i]=in[i]=d[i]=sub[i]=vis[i]=0;
}
predfs(0);
dfs(0,0);
if (sub[0]+1>=60){
int u=P;
while (sub[u]-d[u]+1<60){
type[p[u]]=Move(p[u]);
u=p[u];
}
need[u]=1;
dfs1(u,p[u]);
long long ans=0;
for1(i,0,N-1){
if (need[i]&&type[i]){
long long bit=d[i]%60;
ans+=(1ll<<bit);
}
}
return ans;
}
for1(i,0,N-1)a[i].clear();
int nw=0;
for1(i,0,N-1)if (d[i]>d[nw])nw=i;
for1(i,0,N-1)vis[i]=0;
queue<int>t;
t.push(0);
vis[0]=1;
int tmp=nw;
int cnt=1;
while (tmp!=0){
add(p[tmp],tmp);
vcl[tmp]=vcl[p[tmp]]=1;
vis[tmp]=1;
cnt++;
t.push(tmp);
tmp=p[tmp];
}
while (!t.empty()){
auto u=t.front();
t.pop();
for (auto v:g[u]){
if (vis[v])continue;
if (cnt==60)break;
add(u,v);
vis[v]=1;
t.push(v);
cnt++;
}
}
solve(0,0);
int u=P;
while (u!=0){
type[p[u]]=Move(p[u]);
u=p[u];
}
need[0]=1;
last(0,0,nw);
long long ans=0;
for1(i,0,N-1){
if (need[i]&&type[i]){
long long bit=in[i]%60;
ans+=(1ll<<bit);
}
}
return ans;
}

Compilation message

Joi.cpp: In function 'void Joi(int, int, int*, int*, long long int, int)':
Joi.cpp:67:13: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   67 | vcl[i]=in[i]=d[i]=sub[i]=vis[i]=0;
      |        ~~~~~^~~~~~~~~~~~~~~~~~~~~
Joi.cpp:108:5: warning: unused variable 'dem' [-Wunused-variable]
  108 | int dem=0;
      |     ^~~

Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:100:13: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
  100 | vcl[i]=in[i]=d[i]=sub[i]=vis[i]=0;
      |        ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1808 KB Output is correct
2 Correct 1 ms 1824 KB Output is correct
3 Correct 2 ms 1824 KB Output is correct
4 Correct 1 ms 1824 KB Output is correct
5 Correct 1 ms 1824 KB Output is correct
6 Correct 2 ms 1824 KB Output is correct
7 Correct 2 ms 1824 KB Output is correct
8 Correct 1 ms 1820 KB Output is correct
9 Correct 1 ms 1828 KB Output is correct
10 Correct 1 ms 1824 KB Output is correct
11 Correct 4 ms 2152 KB Output is correct
12 Correct 1 ms 1808 KB Output is correct
13 Correct 2 ms 1828 KB Output is correct
14 Correct 2 ms 1828 KB Output is correct
15 Correct 2 ms 2116 KB Output is correct
16 Correct 1 ms 1820 KB Output is correct
17 Correct 2 ms 1828 KB Output is correct
18 Correct 2 ms 1820 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 5924 KB Output is correct
2 Correct 19 ms 5924 KB Output is correct
3 Correct 19 ms 5832 KB Output is correct
4 Correct 12 ms 4420 KB Output is correct
5 Correct 13 ms 4916 KB Output is correct
6 Correct 12 ms 4932 KB Output is correct
7 Correct 12 ms 4924 KB Output is correct
8 Correct 12 ms 4836 KB Output is correct
9 Correct 12 ms 4920 KB Output is correct
10 Correct 12 ms 4416 KB Output is correct
11 Correct 13 ms 4420 KB Output is correct
12 Correct 11 ms 3880 KB Output is correct
13 Correct 10 ms 3872 KB Output is correct
14 Correct 11 ms 4404 KB Output is correct
15 Correct 11 ms 4416 KB Output is correct
16 Correct 12 ms 4416 KB Output is correct
17 Correct 12 ms 4332 KB Output is correct
18 Correct 12 ms 4408 KB Output is correct
19 Correct 12 ms 4408 KB Output is correct
20 Correct 10 ms 4924 KB Output is correct
21 Correct 10 ms 4928 KB Output is correct
22 Correct 12 ms 4672 KB Output is correct
23 Correct 12 ms 4924 KB Output is correct
24 Correct 12 ms 4920 KB Output is correct
25 Correct 12 ms 4920 KB Output is correct
26 Correct 12 ms 4920 KB Output is correct
27 Correct 12 ms 4924 KB Output is correct
28 Correct 12 ms 4828 KB Output is correct
29 Correct 11 ms 4392 KB Output is correct
30 Correct 11 ms 4912 KB Output is correct
31 Correct 2 ms 1816 KB Output is correct
32 Correct 1 ms 1812 KB Output is correct
33 Correct 1 ms 1820 KB Output is correct
34 Correct 1 ms 1820 KB Output is correct
35 Correct 1 ms 1824 KB Output is correct
36 Correct 2 ms 1812 KB Output is correct
37 Correct 1 ms 1820 KB Output is correct
38 Correct 1 ms 1824 KB Output is correct
39 Correct 1 ms 1812 KB Output is correct
40 Correct 1 ms 1808 KB Output is correct
41 Correct 1 ms 1824 KB Output is correct
42 Correct 1 ms 1824 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1824 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 6048 KB Output is correct
2 Correct 19 ms 5916 KB Output is correct
3 Correct 19 ms 5924 KB Output is correct
4 Correct 12 ms 4404 KB Output is correct
5 Correct 12 ms 5424 KB Output is correct
6 Correct 12 ms 4932 KB Output is correct
7 Incorrect 12 ms 4928 KB Wrong Answer [7]
8 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 5944 KB Output is correct
2 Correct 19 ms 5944 KB Output is correct
3 Correct 19 ms 5916 KB Output is correct
4 Correct 12 ms 4408 KB Output is correct
5 Correct 12 ms 5424 KB Output is correct
6 Incorrect 12 ms 4932 KB Wrong Answer [7]
7 Halted 0 ms 0 KB -