QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#594525 | #7738. Equivalent Rewriting | llg | WA | 1ms | 3780kb | C++14 | 1.8kb | 2024-09-28 02:07:26 | 2024-09-28 02:07:26 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define deb(x) cout << #x << "=" << x << endl
#define pb push_back
#define mp make_pair
#define all(x) x.begin(), x.end()
#define sortall(x) sort(all(x))
#define tr(it, a) for (auto it = a.begin(); it != a.end(); it++)
#define mod 1000000007
int main()
{
#ifndef ONLINE_JUDGE
freopen("a.in", "r", stdin);
freopen("a.out", "w", stdout);
#endif
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t;
cin >> t;
while (t--)
{
int m, n;
cin >> m >> n;
vector<set<int>> last(n + 1);
for (int i = 1; i <= m; i++)
{
int p;
cin >> p;
for (int j = 1; j <= p; j++)
{
int b;
cin >> b;
last[b].insert(i);
}
}
vector<bool> possible(m + 1, true);
for (int i = 1; i <= n; i++)
{
for (auto x : last[i])
{
if (last[i].count(x + 1))
{
possible[x] = false;
}
}
}
vector<int> p_(m + 1, 0);
for (int i = 1; i <= m; i++)
{
p_[i] = i;
}
bool dude = false;
for (int i = 1; i < m; i++)
{
if (possible[i])
{
dude = true;
swap(p_[i], p_[i + 1]);
break;
}
}
if (dude)
{
cout << "Yes" << endl;
for (int i = 1; i <= m; i++)
{
cout << p_[i] << " ";
}
cout << endl;
}
else
{
cout << "No" << endl;
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3780kb
input:
3 3 6 3 3 1 5 2 5 3 2 2 6 2 3 3 1 3 2 2 3 1 1 3 2 2 1
output:
Yes 1 3 2 No No
result:
ok OK. (3 test cases)
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 3556kb
input:
1 10 5 2 2 4 4 1 3 4 2 1 2 3 2 1 4 4 5 2 4 3 3 2 5 4 3 5 4 2 3 1 3 2 5 1 4 2 3 5 1 4
output:
No
result:
wrong answer jury found an answer but participant did not (test case 1)