#include <bits/stdc++.h>
using namespace std;
int main(){
int r, c, m;
cin >> r >> c >> m;
int grid[r][c], dp[r][c];
for(int i = 0; i < r; i++){
string s;
cin >> s;
for(int j = 0; j < c; j++){
if(s[j] == '.'){
grid[i][j] = 1;
dp[i][j] = 1;
}else{
grid[i][j] = 0;
dp[i][j] = 0;
}
}
}
for(int i = 0; i < m; i++){
char ins;
cin >> ins;
switch(ins){
case 'N':
for(int j = 0; j < r - 1; j++){
for(int k = 0; k < c; k++){
dp[j][k] = (grid[j][k] == 1 && dp[j + 1][k] == 1)?1:0;
}
}
for(int k = 0; k < c; k++) dp[r - 1][k] = 0;
break;
case 'S':
for(int j = r - 1; j > 0; j--){
for(int k = 0; k < c; k++){
dp[j][k] = (grid[j][k] == 1 && dp[j - 1][k] == 1)?1:0;
}
}
for(int k = 0; k < c; k++) dp[0][k] = 0;
break;
case 'W':
for(int j = 0; j < r; j++){
for(int k = 0; k < c - 1; k++){
dp[j][j] = (grid[j][k] == 1 && dp[j][k + 1] == 1)?1:0;
}
}
for(int k = 0; k < r; k++) dp[k][c - 1] = 0;
break;
case 'E':
for(int j = 0; j < r; j++){
for(int k = c - 1; k > 0; k--){
dp[j][k] = (grid[j][k] == 1 && dp[j][k - 1] == 1)?1:0;
}
}
for(int k = 0; k < r; k++) dp[k][0] = 0;
break;
case '?':
int prev[r][c];
for(int j = 0; j < r; j++){
for(int k = 0; k < c; k++){
prev[j][k] = dp[j][k];
}
}
for(int j = 0; j < r; j++){
for(int k = 0; k < c; k++){
if(grid[j][k] == 1){
if(j == 0){
if(k == 0) dp[j][k] = (prev[j + 1][k] == 1 || prev[j][k + 1] == 1)?1:0;
else if(k == c - 1) dp[j][k] = (prev[j + 1][k] == 1 || prev[j - 1][k] == 1)?1:0;
else dp[j][k] = (prev[j + 1][k] == 1 || prev[j][k + 1] == 1 || prev[j][k - 1] == 1)?1:0;
}else if(j == r - 1){
if(k == 0) dp[j][k] = (prev[j - 1][k] == 1 || prev[j][k + 1] == 1)?1:0;
else if(k == c - 1) dp[j][k] = (prev[j - 1][k] == 1 || prev[j][k - 1] == 1)?1:0;
else dp[j][k] = (prev[j - 1][k] == 1 || prev[j][k + 1] == 1 || prev[j][k - 1] == 1)?1:0;
}else{
if(k == 0) dp[j][k] = (prev[j + 1][k] == 1 || prev[j - 1][k] == 1|| prev[j][k + 1] == 1)?1:0;
else if(k == c - 1) dp[j][k] = (prev[j + 1][k] == 1 || prev[j - 1][k] == 1|| prev[j][k - 1] == 1)?1:0;
else dp[j][k] = (prev[j + 1][k] == 1 || prev[j - 1][k] == 1|| prev[j][k + 1] == 1 || prev[j][k - 1] == 1)?1:0;
}
}
}
}
break;
}
/*for(int j = 0; j < r; j++){
for(int k = 0; k < c; k++){
cout << dp[j][k];
}
cout << '\n';
}
cout << '\n';*/
}
int cnt = 0;
for(int i = 0; i < r; i++){
for(int j = 0; j < c; j++){
if(dp[i][j] == 1) cnt++;
}
}
cout << cnt;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
6 ms |
384 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
6 ms |
384 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
6 ms |
384 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
