#include <bits/stdc++.h>
#include <chrono>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace chrono;
using namespace __gnu_pbds;
#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native")
//#pragma GCC target("sse,sse2,sse3,mmx,abm,tune=native") // for szkopul and sio only
typedef long long lld;
typedef double lf;
typedef long double llf;
typedef pair<int,int> pii;
typedef pair<lld,lld> pll;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> oset;
#define For(i,s,a) for(lld i = (lld)s; i < (lld)a; ++i)
#define rpt(s, it) for(auto it = s.begin(); it != s.end(); ++it)
#define brpt(s, it) for(auto it = s.rend(); it != s.rbegin(); --it)
#define pb push_back
#define eb emplace_back
#define ff first
#define dd second
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define make_unique(x) (x).erase( unique(all(x)), (x).end())
#define popcnt(x) __builtin_popcount(x)
#define sz size()
#define time_since duration_cast< milliseconds >(system_clock::now().time_since_epoch())
template<typename Ta, typename Tb>
ostream & operator <<(ostream & os, pair<Ta, Tb> x){
return os << x.ff << " " << x.dd;
}
const int N = 5e5 + 1;
char field[501][501], spare[501][501];
char s[N];
int mask(char z) {
if (z == 'L' || z == 'P')
return 2;
return 4;
}
void push(int n, int m, char z) {
For (i, 0, n)
memset(spare[i], '.', m);
switch (z) {
case 'G':
For (j, 0, m) {
int ile = 0;
For (i, 0, n)
if (field[i][j] != '.')
spare[ile++][j] = field[i][j];
}
break;
case 'D':
For (j, 0, m) {
int ile = n - 1;
for (int i = n - 1; i + 1; --i)
if (field[i][j] != '.')
spare[ile--][j] = field[i][j];
}
break;
case 'L':
For (i, 0, n) {
int ile = 0;
For (j, 0, m)
if (field[i][j] != '.')
spare[i][ile++] = field[i][j];
}
break;
case 'P':
For (i, 0, n) {
int ile = m - 1;
for (int j = m - 1; j + 1; --j)
if (field[i][j] != '.')
spare[i][ile--] = field[i][j];
}
}
For (i, 0, n)
For (j, 0, m)
field[i][j] = spare[i][j];
}
int main(void) {
int n, m;
scanf("%d%d", &n, &m);
For (i, 0, n)
scanf("%s", field[i]);
int q;
scanf("%d", &q);
scanf("%s", s);
q = unique(s, s + q) - s;
For (qq, 0, 10) {
For (i, 0, q - 3) {
if (s[i] == s[i + 2] && s[i + 1] == s[i + 3])
s[i + 1] = s[i];
}
q = unique(s, s + q) - s;
For (i, 0, q - 1) {
if (!(mask(s[i]) ^ mask(s[i + 1])))
s[i] = s[i + 1];
}
q = unique(s, s + q) - s;
}
For (i, 0, q)
push(n, m, s[i]);
For (i, 0, n)
printf("%s\n", field[i]);
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | #include <bits/stdc++.h> #include <chrono> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace chrono; using namespace __gnu_pbds; #pragma GCC optimize("Ofast,unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma,tune=native") //#pragma GCC target("sse,sse2,sse3,mmx,abm,tune=native") // for szkopul and sio only typedef long long lld; typedef double lf; typedef long double llf; typedef pair<int,int> pii; typedef pair<lld,lld> pll; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> oset; #define For(i,s,a) for(lld i = (lld)s; i < (lld)a; ++i) #define rpt(s, it) for(auto it = s.begin(); it != s.end(); ++it) #define brpt(s, it) for(auto it = s.rend(); it != s.rbegin(); --it) #define pb push_back #define eb emplace_back #define ff first #define dd second #define mp make_pair #define all(x) (x).begin(), (x).end() #define make_unique(x) (x).erase( unique(all(x)), (x).end()) #define popcnt(x) __builtin_popcount(x) #define sz size() #define time_since duration_cast< milliseconds >(system_clock::now().time_since_epoch()) template<typename Ta, typename Tb> ostream & operator <<(ostream & os, pair<Ta, Tb> x){ return os << x.ff << " " << x.dd; } const int N = 5e5 + 1; char field[501][501], spare[501][501]; char s[N]; int mask(char z) { if (z == 'L' || z == 'P') return 2; return 4; } void push(int n, int m, char z) { For (i, 0, n) memset(spare[i], '.', m); switch (z) { case 'G': For (j, 0, m) { int ile = 0; For (i, 0, n) if (field[i][j] != '.') spare[ile++][j] = field[i][j]; } break; case 'D': For (j, 0, m) { int ile = n - 1; for (int i = n - 1; i + 1; --i) if (field[i][j] != '.') spare[ile--][j] = field[i][j]; } break; case 'L': For (i, 0, n) { int ile = 0; For (j, 0, m) if (field[i][j] != '.') spare[i][ile++] = field[i][j]; } break; case 'P': For (i, 0, n) { int ile = m - 1; for (int j = m - 1; j + 1; --j) if (field[i][j] != '.') spare[i][ile--] = field[i][j]; } } For (i, 0, n) For (j, 0, m) field[i][j] = spare[i][j]; } int main(void) { int n, m; scanf("%d%d", &n, &m); For (i, 0, n) scanf("%s", field[i]); int q; scanf("%d", &q); scanf("%s", s); q = unique(s, s + q) - s; For (qq, 0, 10) { For (i, 0, q - 3) { if (s[i] == s[i + 2] && s[i + 1] == s[i + 3]) s[i + 1] = s[i]; } q = unique(s, s + q) - s; For (i, 0, q - 1) { if (!(mask(s[i]) ^ mask(s[i + 1]))) s[i] = s[i + 1]; } q = unique(s, s + q) - s; } For (i, 0, q) push(n, m, s[i]); For (i, 0, n) printf("%s\n", field[i]); } |
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