#include <bits/stdc++.h>
using namespace std;
int n,m;
int f[200001];
int maks[200001];
vector<int> v[200001];
void dfs(int node,int dep)
{
if(node>=n)
{
maks[dep]=max(maks[dep],f[node]);
}
else
{
dfs(v[node][0],dep+1);
dfs(v[node][1],dep+1);
}
}
int main()
{
memset(maks,-1,sizeof(maks));
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int a,b;
cin >> n;
m=n;
for(int i=0;i<n;i++)
{
cin >> a >> b;
if(a>0)
{
v[i].push_back(a-1);
}
else
{
f[m]=-a;
v[i].push_back(m);
m++;
}
if(b>0)
{
v[i].push_back(b-1);
}
else
{
f[m]=-b;
v[i].push_back(m);
m++;
}
}
dfs(0,0);
int rez=-1;
int rezdep=-1;
for(int i=0;i<n;i++)
{
if(maks[i]==-1)continue;
bool check=0;
if(rez==-1)
{
check=1;
}
else
{
int q=(rez+maks[i]-1)/maks[i];
int pow2=1;
for(int j=0;j<i-rezdep;j++)
{
pow2*=2;
if(q<=pow2)
{
check=1;
break;
}
}
}
if(check)
{
rez=maks[i];
rezdep=i;
}
}
vector<int> ans;
for(int i=0;i<rezdep;i++)
{
ans.push_back(0);
}
while(rez)
{
ans.push_back(rez&1);
rez/=2;
}
reverse(ans.begin(),ans.end());
for(int i=0;i<ans.size();i++)
{
cout << ans[i];
}
return 0;
}
Compilation message
poklon.cpp: In function 'int main()':
poklon.cpp:95:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
95 | for(int i=0;i<ans.size();i++)
| ~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
5868 KB |
Output is correct |
2 |
Correct |
4 ms |
5996 KB |
Output is correct |
3 |
Correct |
4 ms |
5868 KB |
Output is correct |
4 |
Correct |
4 ms |
5868 KB |
Output is correct |
5 |
Correct |
5 ms |
5868 KB |
Output is correct |
6 |
Correct |
5 ms |
5868 KB |
Output is correct |
7 |
Correct |
4 ms |
5868 KB |
Output is correct |
8 |
Correct |
4 ms |
5868 KB |
Output is correct |
9 |
Correct |
4 ms |
5868 KB |
Output is correct |
10 |
Correct |
4 ms |
5868 KB |
Output is correct |
11 |
Correct |
7 ms |
6508 KB |
Output is correct |
12 |
Correct |
9 ms |
6508 KB |
Output is correct |
13 |
Correct |
24 ms |
9196 KB |
Output is correct |
14 |
Correct |
43 ms |
12396 KB |
Output is correct |
15 |
Correct |
41 ms |
10988 KB |
Output is correct |
16 |
Runtime error |
11 ms |
11628 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
17 |
Runtime error |
11 ms |
11628 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
18 |
Runtime error |
11 ms |
11628 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
19 |
Runtime error |
11 ms |
11628 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
20 |
Runtime error |
11 ms |
11628 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |