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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #506029 | #6422. Evil Coordinate | Timeless123 | WA | 11ms | 3688kb | C++17 | 4.4kb | 2024-08-05 14:47:05 | 2024-08-05 14:47:07 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 2e5 + 9;
const int mod = 1e9 + 7;
#define eps 1e-5
#define inf 2e18
int x,y;
string s;
void solve()
{
cin>>x>>y;
cin>>s;
if(!x && !y)
{
cout<<"Impossible"<<'\n';
return ;
}
int L=0,R=0,U=0,D=0;
for(int i=0;i<s.size();++i)
{
if(s[i]=='U') U++;
else if(s[i]=='D') D++;
else if(s[i]=='R') R++;
else L++;
}
if(U - D == y && R - L == x)
{
cout<<"Impossible"<<'\n';
return ;
}
if(x!=0 && y!=0)
{
if(x>0 && y>0)
{
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=D;++i) cout<<'D';
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=R;++i) cout<<'R';
}
else if(x<0 && y>0)
{
for(int i=1;i<=R;++i) cout<<'R';
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=D;++i) cout<<'D';
for(int i=1;i<=U;++i) cout<<'U';
}
else if(x<0 && y<0)
{
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=R;++i) cout<<'R';
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=D;++i) cout<<'D';
}
else if(x>0 && y<0)
{
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=D;++i) cout<<'D';
for(int i=1;i<=R;++i) cout<<'R';
}
}
else if(x==0 && y!=0)
{
if(!(L+R))
{
if(y<0)
{
if(D > U && abs(D-U)>=abs(y))
{
cout<<"Impossible"<<'\n';
return ;
}
else
{
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=D;++i) cout<<'D';
}
}
else
{
if(U > D && abs(D-U)>=abs(y))
{
cout<<"Impossible"<<'\n';
return ;
}
else
{
for(int i=1;i<=D;++i) cout<<'D';
for(int i=1;i<=U;++i) cout<<'U';
}
}
}
else
{
if(y>0)
{
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=R;++i) cout<<'R';
for(int i=1;i<=D;++i) cout<<'D';
}
else
{
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=R;++i) cout<<'R';
for(int i=1;i<=D;++i) cout<<'D';
}
}
}
else
{
if(!(U+D))
{
if(x<0)
{
if(L > R && abs(L-R)>=abs(x))
{
cout<<"Impossible"<<'\n';
return ;
}
else
{
for(int i=1;i<=R;++i) cout<<'R';
for(int i=1;i<=L;++i) cout<<'L';
}
}
else
{
if(R > L && abs(R-L)>=abs(x))
{
cout<<"Impossible"<<'\n';
return ;
}
else
{
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=R;++i) cout<<'R';
}
}
}
else
{
if(x>0)
{
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=D;++i) cout<<'D';
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=R;++i) cout<<'R';
}
else
{
for(int i=1;i<=U;++i) cout<<'U';
for(int i=1;i<=R;++i) cout<<'R';
for(int i=1;i<=L;++i) cout<<'L';
for(int i=1;i<=D;++i) cout<<'D';
}
}
}
cout<<'\n';
}
int main()
{
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
int _ = 1; cin>>_;
while (_--) solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
input:
5 1 1 RURULLD 0 5 UUU 0 3 UUU 0 2 UUU 0 0 UUU
output:
LLDUURR UUU Impossible Impossible Impossible
result:
ok 5 cases
Test #2:
score: -100
Wrong Answer
time: 11ms
memory: 3688kb
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:
DDUURR UUR Impossible Impossible Impossible RRDUUUUUU RRRRLDD DU Impossible LLLLDDRR ULLDDDRR Impossible UURLLDDDD LL Impossible LDUUURR Impossible Impossible Impossible LLLLLRRRDD Impossible RL Impossible Impossible Impossible Impossible Impossible LLLUURRRRR ULLLD Impossible UUULDDD UUDDRR Impossi...
result:
wrong answer case 13, participant's output goes through forbidden coordinate