| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 987015 | 2024-05-21T17:17:54 Z | Pyqe | Thousands Islands (IOI22_islands) | C++17 | 73 ms | 29440 KB |
#include <bits/stdc++.h>
#include "islands.h"
using namespace std;
#define mp make_pair
#define fr first
#define sc second
long long n,m,dh[100069],an[100069],cyc[100069];
vector<long long> al[100069],al2[100069];
bitset<100069> vtd,vtd2;
void dfs2(long long x)
{
long long i,sz=al2[x].size(),l;
for(i=0;i<sz;i++)
{
l=al2[x][i];
dfs2(l);
}
an[x]=0;
al2[x].clear();
cyc[x]=max(cyc[x],1ll);
}
void dfs(long long x)
{
long long i,sz=al[x].size(),l;
vtd[x]=1;
vtd2[x]=1;
for(i=0;i<sz;i++)
{
l=al[x][i];
if(!vtd[l])
{
dh[l]=dh[x]+1;
dfs(l);
if(dh[an[l]]>dh[an[x]])
{
an[x]=an[l];
al2[x].clear();
}
if(an[l]==an[x])
{
al2[x].push_back(l);
}
}
if(vtd2[l])
{
if(dh[l]>dh[an[x]])
{
an[x]=l;
al2[x].clear();
}
}
else
{
cyc[x]=min(cyc[x]+cyc[l],2ll);
}
if(an[x]==x)
{
if(!cyc[l])
{
cyc[x]=min(cyc[x]+1,2ll);
}
dfs2(x);
}
}
vtd2[x]=0;
}
variant<bool,vector<int>> find_journey(int on,int om,vector<int> ka,vector<int> la)
{
long long i,k,l;
n=on;
m=om;
for(i=1;i<=m;i++)
{
k=ka[i-1]+1;
l=la[i-1]+1;
al[k].push_back(l);
}
dh[0]=-1;
dfs(1);
return cyc[1]==2;
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 6748 KB | Output is correct |
| 2 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 3 | Correct | 1 ms | 6748 KB | Output is correct |
| 4 | Correct | 1 ms | 6748 KB | Output is correct |
| 5 | Correct | 1 ms | 6748 KB | Output is correct |
| 6 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 7 | Partially correct | 28 ms | 11520 KB | Output is partially correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Partially correct | 1 ms | 6744 KB | Output is partially correct |
| 2 | Correct | 1 ms | 6748 KB | Output is correct |
| 3 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 4 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 5 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 6 | Partially correct | 31 ms | 11072 KB | Output is partially correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 2 | Correct | 1 ms | 6748 KB | Output is correct |
| 3 | Correct | 1 ms | 6748 KB | Output is correct |
| 4 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 5 | Correct | 3 ms | 6748 KB | Output is correct |
| 6 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 7 | Correct | 2 ms | 6748 KB | Output is correct |
| 8 | Partially correct | 1 ms | 6744 KB | Output is partially correct |
| 9 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 10 | Partially correct | 2 ms | 6764 KB | Output is partially correct |
| 11 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 12 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 13 | Correct | 2 ms | 6748 KB | Output is correct |
| 14 | Correct | 2 ms | 6748 KB | Output is correct |
| 15 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 16 | Correct | 1 ms | 6748 KB | Output is correct |
| 17 | Partially correct | 16 ms | 10332 KB | Output is partially correct |
| 18 | Partially correct | 13 ms | 9820 KB | Output is partially correct |
| 19 | Correct | 1 ms | 6748 KB | Output is correct |
| 20 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 21 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 22 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 23 | Partially correct | 24 ms | 12124 KB | Output is partially correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 2 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 3 | Partially correct | 29 ms | 11236 KB | Output is partially correct |
| 4 | Partially correct | 33 ms | 11688 KB | Output is partially correct |
| 5 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 6 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 7 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 8 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 9 | Partially correct | 1 ms | 6744 KB | Output is partially correct |
| 10 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 11 | Correct | 2 ms | 6748 KB | Output is correct |
| 12 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 13 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 14 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 15 | Partially correct | 2 ms | 7000 KB | Output is partially correct |
| 16 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 17 | Correct | 2 ms | 6748 KB | Output is correct |
| 18 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 19 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 20 | Correct | 27 ms | 12176 KB | Output is correct |
| 21 | Partially correct | 26 ms | 11612 KB | Output is partially correct |
| 22 | Correct | 2 ms | 7000 KB | Output is correct |
| 23 | Correct | 2 ms | 6748 KB | Output is correct |
| 24 | Correct | 1 ms | 6748 KB | Output is correct |
| 25 | Partially correct | 3 ms | 7004 KB | Output is partially correct |
| 26 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 27 | Partially correct | 28 ms | 12088 KB | Output is partially correct |
| 28 | Partially correct | 28 ms | 12112 KB | Output is partially correct |
| 29 | Correct | 1 ms | 6748 KB | Output is correct |
| 30 | Correct | 29 ms | 12424 KB | Output is correct |
| 31 | Partially correct | 1 ms | 7000 KB | Output is partially correct |
| 32 | Partially correct | 27 ms | 12116 KB | Output is partially correct |
| 33 | Partially correct | 26 ms | 11612 KB | Output is partially correct |
| 34 | Partially correct | 16 ms | 9564 KB | Output is partially correct |
| 35 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 36 | Partially correct | 24 ms | 11088 KB | Output is partially correct |
| 37 | Partially correct | 28 ms | 12116 KB | Output is partially correct |
| 38 | Correct | 2 ms | 6748 KB | Output is correct |
| 39 | Correct | 23 ms | 11092 KB | Output is correct |
| 40 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 41 | Correct | 32 ms | 12368 KB | Output is correct |
| 42 | Partially correct | 28 ms | 12124 KB | Output is partially correct |
| 43 | Correct | 1 ms | 6744 KB | Output is correct |
| 44 | Correct | 2 ms | 6748 KB | Output is correct |
| 45 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 46 | Partially correct | 13 ms | 9052 KB | Output is partially correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 6748 KB | Output is correct |
| 2 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 3 | Correct | 1 ms | 6748 KB | Output is correct |
| 4 | Correct | 1 ms | 6748 KB | Output is correct |
| 5 | Correct | 1 ms | 6748 KB | Output is correct |
| 6 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 7 | Partially correct | 28 ms | 11520 KB | Output is partially correct |
| 8 | Partially correct | 1 ms | 6744 KB | Output is partially correct |
| 9 | Correct | 1 ms | 6748 KB | Output is correct |
| 10 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 11 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 12 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 13 | Partially correct | 31 ms | 11072 KB | Output is partially correct |
| 14 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 15 | Correct | 1 ms | 6748 KB | Output is correct |
| 16 | Correct | 1 ms | 6748 KB | Output is correct |
| 17 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 18 | Correct | 3 ms | 6748 KB | Output is correct |
| 19 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 20 | Correct | 2 ms | 6748 KB | Output is correct |
| 21 | Partially correct | 1 ms | 6744 KB | Output is partially correct |
| 22 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 23 | Partially correct | 2 ms | 6764 KB | Output is partially correct |
| 24 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 25 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 26 | Correct | 2 ms | 6748 KB | Output is correct |
| 27 | Correct | 2 ms | 6748 KB | Output is correct |
| 28 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 29 | Correct | 1 ms | 6748 KB | Output is correct |
| 30 | Partially correct | 16 ms | 10332 KB | Output is partially correct |
| 31 | Partially correct | 13 ms | 9820 KB | Output is partially correct |
| 32 | Correct | 1 ms | 6748 KB | Output is correct |
| 33 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 34 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 35 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 36 | Partially correct | 24 ms | 12124 KB | Output is partially correct |
| 37 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 38 | Correct | 1 ms | 6748 KB | Output is correct |
| 39 | Correct | 2 ms | 6752 KB | Output is correct |
| 40 | Correct | 2 ms | 6752 KB | Output is correct |
| 41 | Correct | 14 ms | 9624 KB | Output is correct |
| 42 | Correct | 2 ms | 6748 KB | Output is correct |
| 43 | Correct | 30 ms | 18016 KB | Output is correct |
| 44 | Correct | 26 ms | 16072 KB | Output is correct |
| 45 | Partially correct | 31 ms | 18132 KB | Output is partially correct |
| 46 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 47 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 48 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 49 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 50 | Partially correct | 47 ms | 27228 KB | Output is partially correct |
| 51 | Correct | 61 ms | 26288 KB | Output is correct |
| 52 | Correct | 60 ms | 27588 KB | Output is correct |
| 53 | Partially correct | 64 ms | 29440 KB | Output is partially correct |
| 54 | Correct | 62 ms | 25840 KB | Output is correct |
| 55 | Correct | 61 ms | 27360 KB | Output is correct |
| 56 | Partially correct | 73 ms | 26324 KB | Output is partially correct |
| 57 | Partially correct | 51 ms | 16200 KB | Output is partially correct |
| 58 | Partially correct | 44 ms | 20560 KB | Output is partially correct |
| 59 | Correct | 56 ms | 17912 KB | Output is correct |
| 60 | Correct | 45 ms | 16740 KB | Output is correct |
| 61 | Correct | 45 ms | 15696 KB | Output is correct |
| 62 | Correct | 8 ms | 8284 KB | Output is correct |
| 63 | Correct | 40 ms | 15188 KB | Output is correct |
| 64 | Partially correct | 18 ms | 10588 KB | Output is partially correct |
| 65 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 66 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 67 | Partially correct | 73 ms | 20596 KB | Output is partially correct |
| 68 | Correct | 30 ms | 14040 KB | Output is correct |
| 69 | Correct | 30 ms | 16468 KB | Output is correct |
| 70 | Partially correct | 2 ms | 6740 KB | Output is partially correct |
| 71 | Correct | 36 ms | 14276 KB | Output is correct |
| 72 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 73 | Correct | 51 ms | 16736 KB | Output is correct |
| 74 | Partially correct | 44 ms | 23120 KB | Output is partially correct |
| 75 | Partially correct | 3 ms | 7004 KB | Output is partially correct |
| 76 | Partially correct | 18 ms | 14684 KB | Output is partially correct |
| 77 | Correct | 44 ms | 27220 KB | Output is correct |
| 78 | Correct | 46 ms | 16880 KB | Output is correct |
| 79 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 80 | Partially correct | 59 ms | 21088 KB | Output is partially correct |
| 81 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 82 | Correct | 31 ms | 12740 KB | Output is correct |
| 83 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 84 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 85 | Partially correct | 18 ms | 13912 KB | Output is partially correct |
| 86 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 87 | Correct | 2 ms | 6748 KB | Output is correct |
| 88 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 89 | Correct | 51 ms | 17108 KB | Output is correct |
| 90 | Correct | 50 ms | 15476 KB | Output is correct |
| 91 | Partially correct | 66 ms | 22864 KB | Output is partially correct |
| 92 | Partially correct | 1 ms | 6748 KB | Output is partially correct |