| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 987025 | 2024-05-21T17:34:59 Z | Pyqe | Thousands Islands (IOI22_islands) | C++17 | 76 ms | 26096 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],vl[100069];
bitset<100069> vtd,vtd2;
void dfs(long long x)
{
long long i,j,sz=al[x].size(),sz2,k,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(vtd2[l])
{
if(dh[l]>dh[an[x]])
{
an[x]=l;
}
}
else
{
if(dh[an[l]]>dh[an[x]])
{
an[x]=an[l];
}
cyc[x]=min(cyc[x]+cyc[l],2ll);
}
if(!vl[x].empty())
{
if(!cyc[l])
{
cyc[x]=min(cyc[x]+1,2ll);
}
sz2=vl[x].size();
for(j=0;j<sz2;j++)
{
k=vl[x][j];
cyc[k]=max(cyc[k],1ll);
}
vl[x].clear();
}
}
vtd2[x]=0;
if(vtd2[an[x]])
{
vl[an[x]].push_back(x);
}
}
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 | 2 ms | 6760 KB | Output is correct |
| 4 | Correct | 2 ms | 6752 KB | Output is correct |
| 5 | Correct | 1 ms | 6748 KB | Output is correct |
| 6 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 7 | Partially correct | 42 ms | 12256 KB | Output is partially correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 2 | Correct | 2 ms | 6744 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 | 25 ms | 11840 KB | Output is partially correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 2 | Correct | 2 ms | 6748 KB | Output is correct |
| 3 | Correct | 1 ms | 6744 KB | Output is correct |
| 4 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 5 | Correct | 2 ms | 6744 KB | Output is correct |
| 6 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 7 | Correct | 2 ms | 6948 KB | Output is correct |
| 8 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 9 | Partially correct | 2 ms | 7000 KB | Output is partially correct |
| 10 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 11 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 12 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 13 | Correct | 1 ms | 6748 KB | Output is correct |
| 14 | Correct | 2 ms | 6748 KB | Output is correct |
| 15 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 16 | Correct | 2 ms | 6748 KB | Output is correct |
| 17 | Partially correct | 16 ms | 10056 KB | Output is partially correct |
| 18 | Partially correct | 18 ms | 9780 KB | Output is partially correct |
| 19 | Correct | 2 ms | 6744 KB | Output is correct |
| 20 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 21 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 22 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 23 | Partially correct | 25 ms | 11908 KB | Output is partially correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Partially correct | 1 ms | 6744 KB | Output is partially correct |
| 2 | Partially correct | 3 ms | 6748 KB | Output is partially correct |
| 3 | Partially correct | 26 ms | 12220 KB | Output is partially correct |
| 4 | Partially correct | 27 ms | 12520 KB | Output is partially correct |
| 5 | Partially correct | 3 ms | 6748 KB | Output is partially correct |
| 6 | Partially correct | 3 ms | 6748 KB | Output is partially correct |
| 7 | Partially correct | 1 ms | 6740 KB | Output is partially correct |
| 8 | Partially correct | 1 ms | 6744 KB | Output is partially correct |
| 9 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 10 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 11 | Correct | 2 ms | 6744 KB | Output is correct |
| 12 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 13 | Partially correct | 2 ms | 7000 KB | Output is partially correct |
| 14 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 15 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 16 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 17 | Correct | 2 ms | 6744 KB | Output is correct |
| 18 | Partially correct | 3 ms | 6748 KB | Output is partially correct |
| 19 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 20 | Correct | 28 ms | 12884 KB | Output is correct |
| 21 | Partially correct | 26 ms | 12416 KB | Output is partially correct |
| 22 | Correct | 3 ms | 6748 KB | Output is correct |
| 23 | Correct | 2 ms | 6748 KB | Output is correct |
| 24 | Correct | 2 ms | 6748 KB | Output is correct |
| 25 | Partially correct | 3 ms | 6744 KB | Output is partially correct |
| 26 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 27 | Partially correct | 42 ms | 11864 KB | Output is partially correct |
| 28 | Partially correct | 39 ms | 13588 KB | Output is partially correct |
| 29 | Correct | 2 ms | 4952 KB | Output is correct |
| 30 | Correct | 42 ms | 12368 KB | Output is correct |
| 31 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 32 | Partially correct | 36 ms | 13520 KB | Output is partially correct |
| 33 | Partially correct | 28 ms | 12636 KB | Output is partially correct |
| 34 | Partially correct | 17 ms | 10348 KB | Output is partially correct |
| 35 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 36 | Partially correct | 33 ms | 12460 KB | Output is partially correct |
| 37 | Partially correct | 41 ms | 13600 KB | Output is partially correct |
| 38 | Correct | 3 ms | 6744 KB | Output is correct |
| 39 | Correct | 25 ms | 12436 KB | Output is correct |
| 40 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 41 | Correct | 34 ms | 14064 KB | Output is correct |
| 42 | Partially correct | 31 ms | 13656 KB | Output is partially correct |
| 43 | Correct | 2 ms | 6748 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 | 14 ms | 9684 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 | 2 ms | 6760 KB | Output is correct |
| 4 | Correct | 2 ms | 6752 KB | Output is correct |
| 5 | Correct | 1 ms | 6748 KB | Output is correct |
| 6 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 7 | Partially correct | 42 ms | 12256 KB | Output is partially correct |
| 8 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 9 | Correct | 2 ms | 6744 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 | 25 ms | 11840 KB | Output is partially correct |
| 14 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 15 | Correct | 2 ms | 6748 KB | Output is correct |
| 16 | Correct | 1 ms | 6744 KB | Output is correct |
| 17 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 18 | Correct | 2 ms | 6744 KB | Output is correct |
| 19 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 20 | Correct | 2 ms | 6948 KB | Output is correct |
| 21 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 22 | Partially correct | 2 ms | 7000 KB | Output is partially correct |
| 23 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 24 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 25 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 26 | Correct | 1 ms | 6748 KB | Output is correct |
| 27 | Correct | 2 ms | 6748 KB | Output is correct |
| 28 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 29 | Correct | 2 ms | 6748 KB | Output is correct |
| 30 | Partially correct | 16 ms | 10056 KB | Output is partially correct |
| 31 | Partially correct | 18 ms | 9780 KB | Output is partially correct |
| 32 | Correct | 2 ms | 6744 KB | Output is correct |
| 33 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 34 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 35 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 36 | Partially correct | 25 ms | 11908 KB | Output is partially correct |
| 37 | Partially correct | 3 ms | 6748 KB | Output is partially correct |
| 38 | Correct | 2 ms | 6748 KB | Output is correct |
| 39 | Correct | 2 ms | 6748 KB | Output is correct |
| 40 | Correct | 2 ms | 6748 KB | Output is correct |
| 41 | Correct | 15 ms | 9564 KB | Output is correct |
| 42 | Correct | 2 ms | 6744 KB | Output is correct |
| 43 | Correct | 28 ms | 17240 KB | Output is correct |
| 44 | Correct | 27 ms | 15324 KB | Output is correct |
| 45 | Partially correct | 29 ms | 17376 KB | Output is partially correct |
| 46 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 47 | Partially correct | 3 ms | 6752 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 | 46 ms | 24304 KB | Output is partially correct |
| 51 | Correct | 58 ms | 23152 KB | Output is correct |
| 52 | Correct | 60 ms | 24264 KB | Output is correct |
| 53 | Partially correct | 60 ms | 26096 KB | Output is partially correct |
| 54 | Correct | 73 ms | 24152 KB | Output is correct |
| 55 | Correct | 65 ms | 25636 KB | Output is correct |
| 56 | Partially correct | 63 ms | 24776 KB | Output is partially correct |
| 57 | Partially correct | 43 ms | 16068 KB | Output is partially correct |
| 58 | Partially correct | 51 ms | 18276 KB | Output is partially correct |
| 59 | Correct | 63 ms | 15732 KB | Output is correct |
| 60 | Correct | 51 ms | 16360 KB | Output is correct |
| 61 | Correct | 56 ms | 15380 KB | Output is correct |
| 62 | Correct | 11 ms | 8280 KB | Output is correct |
| 63 | Correct | 41 ms | 14932 KB | Output is correct |
| 64 | Partially correct | 23 ms | 10576 KB | Output is partially correct |
| 65 | Partially correct | 2 ms | 6744 KB | Output is partially correct |
| 66 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 67 | Partially correct | 66 ms | 19224 KB | Output is partially correct |
| 68 | Correct | 30 ms | 13928 KB | Output is correct |
| 69 | Correct | 30 ms | 15600 KB | Output is correct |
| 70 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 71 | Correct | 42 ms | 13168 KB | Output is correct |
| 72 | Partially correct | 1 ms | 6748 KB | Output is partially correct |
| 73 | Correct | 47 ms | 15444 KB | Output is correct |
| 74 | Partially correct | 48 ms | 20716 KB | Output is partially correct |
| 75 | Partially correct | 3 ms | 7004 KB | Output is partially correct |
| 76 | Partially correct | 19 ms | 13412 KB | Output is partially correct |
| 77 | Correct | 50 ms | 25280 KB | Output is correct |
| 78 | Correct | 48 ms | 16468 KB | Output is correct |
| 79 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 80 | Partially correct | 76 ms | 19176 KB | Output is partially correct |
| 81 | Partially correct | 2 ms | 6748 KB | Output is partially correct |
| 82 | Correct | 29 ms | 12680 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 | 23 ms | 13140 KB | Output is partially correct |
| 86 | Partially correct | 3 ms | 6748 KB | Output is partially correct |
| 87 | Correct | 2 ms | 6748 KB | Output is correct |
| 88 | Partially correct | 3 ms | 6748 KB | Output is partially correct |
| 89 | Correct | 43 ms | 16304 KB | Output is correct |
| 90 | Correct | 43 ms | 15444 KB | Output is correct |
| 91 | Partially correct | 56 ms | 21236 KB | Output is partially correct |
| 92 | Partially correct | 2 ms | 7004 KB | Output is partially correct |