QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #506213 | #6422. Evil Coordinate | Umok | WA | 13ms | 3752kb | C++20 | 4.8kb | 2024-08-05 15:59:52 | 2024-08-05 15:59:53 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define endl '\n'
const int N = 2e5 + 5;
#define int long long
typedef pair<int, int> PII;
#define MAX LONG_LONG_MAX
#define mod 10007
#define eps 1e-7
int l, r, d, u, a, b;
void solve()
{
l = d = r = u = 0;
string s;
cin >> a >> b;
cin >> s;
for (char c : s)
{
if (c == 'L')
l++;
else if (c == 'R')
r++;
else if (c == 'U')
u++;
else
d++;
}
int x = r - l, y = u - d;
if (x == a && y == b || a == 0 && b == 0)
{
cout << "Impossible" << endl;
return;
}
if (x == a && a == 0)
{
if ((y >= b && b > 0) || (y <= b && b < 0))
{
cout << "Impossible" << endl;
return;
}
}
else if (b == y && b == 0)
{
if ((x >= a && a > 0) || (x <= a && a < 0))
{
cout << "Impossible" << endl;
return;
}
}
if (a == 0)
{
for (int i = 1; i <= min(u, d); i++)
cout << "D";
for (int i = min(u, d) + 1; i <= d; i++)
cout << "D";
for (int i = min(u, d) + 1; i <= u; i++)
cout << "U";
if (a > 0)
{
for (int i = 1; i <= l; i++)
cout << "L";
for (int i = 1; i <= r; i++)
cout << "R";
}
else
{
for (int i = 1; i <= r; i++)
cout << "R";
for (int i = 1; i <= l; i++)
cout << "L";
}
cout << endl;
return;
}
else if (b == 0)
{
if (a > 0)
{
for (int i = 1; i <= l; i++)
cout << "L";
for (int i = 1; i <= r; i++)
cout << "R";
}
else
{
for (int i = 1; i <= r; i++)
cout << "R";
for (int i = 1; i <= l; i++)
cout << "L";
}
for (int i = 1; i <= min(u, d); i++)
cout << "UD";
for (int i = min(u, d) + 1; i <= d; i++)
cout << "D";
for (int i = min(u, d) + 1; i <= u; i++)
cout << "U";
cout << endl;
return;
}
if (a == x)
{
if (b > 0)
{
for (int i = 1; i <= min(d, u); i++)
cout << "DU";
for (int i = min(d, u) + 1; i <= d; i++)
cout << "D";
for (int i = min(d, u) + 1; i <= u; i++)
cout << "U";
}
else
{
for (int i = 1; i <= min(d, u); i++)
cout << "UD";
for (int i = min(d, u) + 1; i <= u; i++)
cout << "U";
for (int i = min(d, u) + 1; i <= d; i++)
cout << "D";
}
if (a > 0)
{
for (int i = 1; i <= min(l, r); i++)
cout << "LR";
for (int i = min(l, r) + 1; i <= l; i++)
cout << "L";
for (int i = min(l, r) + 1; i <= r; i++)
cout << "R";
}
else
{
for (int i = 1; i <= min(l, r); i++)
cout << "RL";
for (int i = min(l, r) + 1; i <= r; i++)
cout << "R";
for (int i = min(l, r) + 1; i <= l; i++)
cout << "L";
}
}
else
{
if (a > 0)
{
for (int i = 1; i <= min(l, r); i++)
cout << "LR";
for (int i = min(l, r) + 1; i <= l; i++)
cout << "L";
for (int i = min(l, r) + 1; i <= r; i++)
cout << "R";
}
else
{
for (int i = 1; i <= min(l, r); i++)
cout << "RL";
for (int i = min(l, r) + 1; i <= r; i++)
cout << "R";
for (int i = min(l, r) + 1; i <= l; i++)
cout << "L";
}
if (b > 0)
{
for (int i = 1; i <= min(d, u); i++)
cout << "DU";
for (int i = min(d, u) + 1; i <= d; i++)
cout << "D";
for (int i = min(d, u) + 1; i <= u; i++)
cout << "U";
}
else
{
for (int i = 1; i <= min(d, u); i++)
cout << "UD";
for (int i = min(d, u) + 1; i <= u; i++)
cout << "U";
for (int i = min(d, u) + 1; i <= d; i++)
cout << "D";
}
}
cout << endl;
}
signed main()
{
IOS;
int t;
cin >> t;
while (t--)
solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3596kb
input:
5 1 1 RURULLD 0 5 UUU 0 3 UUU 0 2 UUU 0 0 UUU
output:
LRLRDUU UUU Impossible Impossible Impossible
result:
ok 5 cases
Test #2:
score: -100
Wrong Answer
time: 13ms
memory: 3752kb
input:
11109 6 0 RUDUDR 2 0 URU 0 0 UDRU 0 0 R -1 1 LDUUDDRUUL -1 5 RRUUUDUUU -8 4 RRDRLDR 2 0 UD 0 0 UUDD 3 -2 LDDLLLRR 3 -2 LDRURLDD 1 0 RRL -1 0 DUDDLLRDU -4 0 LL -1 -1 DLRLDLUDUR 1 4 URDULUR 0 0 DDUUDUDDDD 0 2 UU 1 0 RRULD 0 -2 LDLRLLDRRL 0 1 RLRLLRLUR -3 0 RL 0 0 D 0 0 L 0 0 DDLRRUDRUD 0 0 DULU 2 0 RR...
output:
RRUDUD RUU Impossible Impossible Impossible RRDUUUUUU RLRRRDD UD Impossible LRLRLLDD LRLRUDDD Impossible RLLUDUDDD LL Impossible DUUULRR Impossible Impossible Impossible DDRRRLLLLL Impossible RL Impossible Impossible Impossible Impossible Impossible UURRRRRLLL LLLUD Impossible LUDUDUD UDUDRR Impossi...
result:
wrong answer case 13, participant's output goes through forbidden coordinate