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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #506008 | #6422. Evil Coordinate | Umok | WA | 18ms | 3760kb | C++20 | 3.0kb | 2024-08-05 14:38:54 | 2024-08-05 14:38:55 |
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 ar[N];
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++;
}
PII pot = {l + r, u + d};
if (pot.first == a && pot.second == b || a == 0 && b == 0)
{
cout << "Impossible" << endl;
return;
}
int x = r - l, y = u - d;
if (x == a || y == b)
{
if (x == a && u - d >= b && b > 0 || x == a && u - d <= b && b < 0)
{
cout << "Impossible" << endl;
return;
}
if (y == b && r - l >= a && a > 0 || y == b && r - l < a && a < 0)
{
cout << "Impossible" << endl;
return;
}
}
if (a == x)
{
if (a > 0)
{
for (int i = 1; i <= r; i++)
cout << "R";
for (int i = 1; i <= l; i++)
cout << "L";
}
else
{
for (int i = 1; i <= l; i++)
cout << "L";
for (int i = 1; i <= r; i++)
cout << "R";
}
if (b > 0)
{
for (int i = 1; i <= d; i++)
cout << "D";
for (int i = 1; i <= u; i++)
cout << "U";
}
else
{
for (int i = 1; i <= u; i++)
cout << "U";
for (int i = 1; i <= d; i++)
cout << "D";
}
}
else if (b == y)
{
if (a > 0)
{
for (int i = 1; i <= r; i++)
cout << "R";
for (int i = 1; i <= l; i++)
cout << "L";
}
else
{
for (int i = 1; i <= l; i++)
cout << "L";
for (int i = 1; i <= r; i++)
cout << "R";
}
if (b > 0)
{
for (int i = 1; i <= d; i++)
cout << "D";
for (int i = 1; i <= u; i++)
cout << "U";
}
else
{
for (int i = 1; i <= u; i++)
cout << "U";
for (int i = 1; i <= d; i++)
cout << "D";
}
}
else
{
for (int i = 1; i <= l; i++)
cout << "L";
for (int i = 1; i <= r; i++)
cout << "R";
for (int i = 1; i <= u; i++)
cout << "U";
for (int i = 1; i <= d; i++)
cout << "D";
}
cout << endl;
}
signed main()
{
IOS;
int t;
cin >> t;
while (t--)
solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3524kb
input:
5 1 1 RURULLD 0 5 UUU 0 3 UUU 0 2 UUU 0 0 UUU
output:
RRLLDUU UUU Impossible Impossible Impossible
result:
ok 5 cases
Test #2:
score: -100
Wrong Answer
time: 18ms
memory: 3760kb
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:
RRUUDD RUU Impossible Impossible Impossible RRDUUUUUU LRRRRDD UD Impossible RRLLLLDD RRLLUDDD Impossible LLRUUDDDD LL Impossible RRLDUUU Impossible Impossible Impossible LLLLLRRRDD Impossible LR Impossible Impossible Impossible Impossible Impossible LLLRRRRRUU LLLUD Impossible LUUUDDD RRUUDD LLLLRRR...
result:
wrong answer case 13, participant's output goes through forbidden coordinate