You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
#define _CRT_SECURE_NO_WARNINGS
|
|
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
|
|
#include <bits/stdc++.h>
|
|
using namespace std;
|
|
#define CRP(t, x) const t &x
|
|
#define OPL(t, x) bool operator<(CRP(t, x)) const
|
|
#define FIL(x, v) memset(x, v, sizeof(x))
|
|
#define CLR(x) FIL(x, 0)
|
|
#define NE1(x) FIL(x, -1)
|
|
#define INF(x) FIL(x, 0x3f)
|
|
#ifndef _DEBUG
|
|
#define _DEBUG 0
|
|
#endif // !_DEBUG
|
|
#define IFD if (_DEBUG)
|
|
typedef long long ll, i64;
|
|
const int N = 1e5 + 50;
|
|
char s[N];
|
|
bool r[10];
|
|
int main()
|
|
{
|
|
int n;
|
|
scanf("%d%s", &n, s);
|
|
for (int i = 0; i < n; i++)
|
|
{
|
|
switch (s[i])
|
|
{
|
|
case 'L':
|
|
for (int i = 0; i <= 9; i++)
|
|
if (!r[i])
|
|
{
|
|
r[i] = true;
|
|
break;
|
|
}
|
|
break;
|
|
case 'R':
|
|
for (int i = 9; i >= 0; i--)
|
|
if (!r[i])
|
|
{
|
|
r[i] = true;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
r[s[i] - '0'] = false;
|
|
break;
|
|
}
|
|
}
|
|
for (int i = 0; i < 10; i++) putchar('0' + r[i]);
|
|
return 0;
|
|
} |