# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
239831 | MrRobot_28 | Alkemija (COCI18_alkemija) | C++17 | 170 ms | 12784 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int main(){
int n, m;
cin >> n >> m;
vector <vector <int> > num(n);
vector <int> a(m);
for(int i = 0; i < m; i++)
{
cin >> a[i];
a[i]--;
}
int k;
cin >> k;
vector <int> cnt(k);
vector <vector <int> > vec1(k), vec2(k);
vector <bool> used(k);
vector <bool> used1(n);
for(int i = 0; i < k; i++)
{
int l, r;
cin >> l >> r;
vec1[i].resize(l);
vec2[i].resize(r);
cnt[i] = l;
for(int j = 0; j < l; j++)
{
cin >> vec1[i][j];
vec1[i][j]--;
num[vec1[i][j]].push_back(i);
}
for(int j = 0; j < r; j++)
{
cin >> vec2[i][j];
vec2[i][j]--;
}
}
queue <int> q;
for(int i = 0; i < m; i++)
{
used1[a[i]] = true;
for(int j = 0; j < num[a[i]].size(); j++)
{
int ind = num[a[i]][j];
cnt[ind]--;
if(cnt[ind] == 0)
{
used[ind] = true;
q.push(ind);
}
}
}
while(q.size() != 0)
{
int v = q.front();
q.pop();
for(int i = 0; i < vec2[v].size(); i++)
{
int to = vec2[v][i];
if(!used1[to])
{
used1[to] = true;
for(int j = 0; j < num[to].size(); j++)
{
int to1 = num[to][j];
cnt[to1]--;
if(cnt[to1] == 0)
{
used[to1] = true;
q.push(to1);
}
}
}
}
}
vector <int> ans;
for(int i = 0; i < n; i++)
{
if(used1[i])
{
ans.push_back(i);
}
}
cout << ans.size() << "\n";
for(int i = 0; i < ans.size(); i++)
{
cout << ans[i] + 1 << " ";
}
return 0;
}
Compilation message (stderr)
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
Fetching results... |