QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #506127 | #6422. Evil Coordinate | apos | WA | 19ms | 4044kb | C++14 | 4.2kb | 2024-08-05 15:31:15 | 2024-08-05 15:31:16 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
// #define int short
#define int long long
typedef long long ll;
// const int M = 1e4 + 10 , inf = 0x3f3f3f3f , N = 1e6 + 10;
int f = 0;
void solve()
{
int x , y;
cin >> x >> y;
string s;
cin >> s;
map<char , int> mp;
map<char , int> mmp;
for(int i = 0; s[i]; i ++)
{
if(s[i] == 'U')
{
mp['y'] ++;
mmp['U'] ++;
}
else if(s[i] == 'D')
{
mp['y'] --;
mmp['D'] ++;
}
else if(s[i] == 'L')
{
mp['x'] --;
mmp['L'] ++;
}
else
{
mp['x'] ++;
mmp['R'] ++;
}
}
if((mp['x'] == x && mp['y'] == y) || (!mp['x'] && !x && ((y > 0 && mp['y'] >= y) || (y <= 0 && mp['y'] <= y))) || (!x && !y))
{
cout << "Impossible\n";
return ;
}
if(y >= 0)
{
for(int i = 1; i <= mmp['D']; i ++)
{
cout << 'D';
}
}
else
{
for(int i = 1; i <= mmp['U']; i ++)
{
cout << 'U';
}
}
if(x >= 0)
{
for(int i = 1; i <= mmp['L']; i ++)
{
cout << 'L';
}
if(y >= 0)//UR
{
if(mp['x'] >= x)
{
for(int i = 1; i <= mmp['U']; i ++)
{
cout << 'U';
}
for(int i = 1; i <= mmp['R']; i ++)
{
cout << 'R';
}
}
else
{
for(int i = 1; i <= mmp['R']; i ++)
{
cout << 'R';
}
for(int i = 1; i <= mmp['U']; i ++)
{
cout << 'U';
}
}
}
else//DR
{
if(mp['x'] >= x)
{
for(int i = 1; i <= mmp['D']; i ++)
{
cout << 'D';
}
for(int i = 1; i <= mmp['R']; i ++)
{
cout << 'R';
}
}
else
{
for(int i = 1; i <= mmp['R']; i ++)
{
cout << 'R';
}
for(int i = 1; i <= mmp['D']; i ++)
{
cout << 'D';
}
}
}
}
else
{
for(int i = 1; i <= mmp['R']; i ++)
{
cout << 'R';
}
if(y >= 0)//UL
{
if(mp['x'] <= x)
{
for(int i = 1; i <= mmp['U']; i ++)
{
cout << 'U';
}
for(int i = 1; i <= mmp['L']; i ++)
{
cout << 'L';
}
}
else
{
for(int i = 1; i <= mmp['L']; i ++)
{
cout << 'L';
}
for(int i = 1; i <= mmp['U']; i ++)
{
cout << 'U';
}
}
}
else//DL
{
if(mp['x'] <= x)
{
for(int i = 1; i <= mmp['D']; i ++)
{
cout << 'D';
}
for(int i = 1; i <= mmp['L']; i ++)
{
cout << 'L';
}
}
else
{
for(int i = 1; i <= mmp['L']; i ++)
{
cout << 'L';
}
for(int i = 1; i <= mmp['D']; i ++)
{
cout << 'D';
}
}
}
}
cout << '\n';
}
signed main()
{
cin.tie(0);cout.tie(0);
ios::sync_with_stdio(false);
int _ = 1;
cin >> _;
while(_ --)
{
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3600kb
input:
5 1 1 RURULLD 0 5 UUU 0 3 UUU 0 2 UUU 0 0 UUU
output:
DLLRRUU UUU Impossible Impossible Impossible
result:
ok 5 cases
Test #2:
score: -100
Wrong Answer
time: 19ms
memory: 4044kb
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:
DDRRUU RUU Impossible Impossible Impossible DRRUUUUUU DDRRRRL DU Impossible LLLLRRDD ULLRRDDD Impossible DDDDRUULL LL Impossible DLUUURR Impossible Impossible Impossible LLLLLRRRDD Impossible RL Impossible Impossible Impossible Impossible Impossible LLLUURRRRR ULLLD Impossible DDDLUUU UUDDRR Impossi...
result:
wrong answer case 28, participant's output goes through forbidden coordinate