QOJ.ac
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 |
|---|---|---|---|---|---|---|---|---|---|
| #506066 | #6422. Evil Coordinate | zmrzmr | WA | 16ms | 3704kb | C++20 | 4.0kb | 2024-08-05 15:01:39 | 2024-08-05 15:01:40 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
// R = x+1 = 1 L = x-1 = 2 U = y + 1 = 3 D = y - 1 = 4
int cnt[5];
void slove()
{
for (int i = 1; i <= 4; i++)
cnt[i] = 0;
int flag = 0;
ll x, y;
x = 0;
y = 0;
ll mx, my;
string s;
cin >> mx >> my;
cin >> s;
for (int i = 0; i < s.size(); i++)
{
if (s[i] == 'R')
{
cnt[1]++;
x++;
// cout<<x<<endl;
if (x == mx && y == my)
flag = 1;
continue;
}
if (s[i] == 'L')
{
cnt[2]++;
x = x - 1;
if (x == mx && y == my)
flag = 1;
continue;
}
if (s[i] == 'U')
{
cnt[3]++;
y = y + 1;
// cout<<x<<" "<<y<<endl;
if (x == mx && y == my)
flag = 1;
continue;
}
if (s[i] == 'D')
{
cnt[4]++;
y = y - 1;
if (x == mx && y == my)
flag = 1;
continue;
}
}
// cout << flag << endl;
if (mx == 0 && my == 0)
{
cout << "Impossible" << endl;
return;
}
if (flag == 0)
{
cout << s << endl;
return;
}
if (flag == 1)
{
ll ansx = cnt[1] - cnt[2];
ll ansy = cnt[3] - cnt[4];
if (ansx == mx && ansy == my)
{
cout << "Impossible" << endl;
return;
}
if ((mx == 0 && ansx == 0 && abs(my) <= abs(ansy)) || (my == 0 && ansy == 0 && abs(mx) <= abs(ansx)))
{
cout << "Impossible" << endl;
return;
}
if (abs(mx) == abs(ansx))
{
if (my != 1)
{
while (cnt[3]--)
{
putchar('U');
// cout<<'U';
if (cnt[4] != 0)
{
putchar('D');
// cout<<'D';
cnt[4]--;
}
}
while (cnt[4]--)
{
putchar('D');
// cout<<'D';
}
if (mx != 1)
{
while (cnt[1]--)
{
putchar('R');
// cout<<'R';
if (cnt[2] != 0)
{
putchar('L');
// cout<<'L';
cnt[2]--;
}
}
while (cnt[2]--)
{
putchar('L');
// cout<<'L';
}
}
else
{
while (cnt[2]--)
{
putchar('L');
// cout<<'L';
if (cnt[1] != 0)
{
putchar('R');
// cout<<'R';
cnt[1]--;
}
}
while (cnt[1]--)
{
putchar('R');
// cout<<'L';
}
}
}
else
{
while (cnt[4]--)
{
putchar('D');
// cout<<'D';
if (cnt[3] != 0)
{
putchar('U');
// cout<<'U';
cnt[3]--;
}
}
while (cnt[3]--)
{
putchar('U');
// cout<<'U';
}
}
}
else
{
if (mx != 1)
{
while (cnt[1]--)
{
putchar('R');
// cout<<'R';
if (cnt[2] != 0)
{
putchar('L');
// cout<<'L';
cnt[2]--;
}
}
while (cnt[2]--)
{
putchar('L');
// cout<<'L';
}
}
else
{
while (cnt[2]--)
{
putchar('L');
// cout<<'L';
if (cnt[1] != 0)
{
putchar('R');
// cout<<'R';
cnt[1]--;
}
}
while (cnt[1]--)
{
putchar('R');
// cout<<'L';
}
}
if (my != 1)
{
while (cnt[3]--)
{
putchar('U');
// cout<<'U';
if (cnt[4] != 0)
{
putchar('D');
// cout<<'D';
cnt[4]--;
}
}
while (cnt[4]--)
{
putchar('D');
// cout<<'D';
}
}
else
{
while (cnt[4]--)
{
putchar('D');
// cout<<'D';
if (cnt[3] != 0)
{
putchar('U');
// cout<<'U';
cnt[3]--;
}
}
while (cnt[3]--)
{
putchar('U');
// cout<<'U';
}
}
}
}
cout << endl;
}
int main()
{
// ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int tcase;
cin >> tcase;
while (tcase--)
{
/* if(tcase == 11109 - 323)
{
int a, b;
string ss;
cin >> a>>b>>ss;
cout << a<<" "<<b<<" "<<ss<<endl;
return 0;
}*/
slove();
}
return 0;
}
/*5
-3 0
LLLDD*/
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3576kb
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: 16ms
memory: 3704kb
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:
RUDUDR URU Impossible Impossible Impossible RRUUUDUUU RRDRLDR UD Impossible LDDLLLRR LDRURLDD Impossible DUDDLLRDU LL Impossible URDULUR Impossible Impossible Impossible LDLRLLDRRL Impossible RL Impossible Impossible Impossible Impossible Impossible LRURRLLRRU LLUDL Impossible UUDDDLU RURUDD Impossi...
result:
wrong answer case 323, participant's output goes through forbidden coordinate