14503 Samsung sw test
코드
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#include <iostream>
#define MAX_WIDTH 50
using namespace std;
int direction;
int location[2];
int map[MAX_WIDTH][MAX_WIDTH];
int height, width;
int robot();
bool changeDirection();
int main() {
cin >> height >> width;
cin >> location[0] >> location[1] >> direction;
for (int i = 0; i < height; i++)
for (int j = 0; j < width; j++)
cin >> map[i][j];
cout << robot();
}
int robot() {
bool doesStop = false;
while (!doesStop) {
map[location[0]][location[1]] = 2;
while (!changeDirection()) {
if (direction == 0)
location[0] += 1;
else if (direction == 1)
location[1] -= 1;
else if (direction == 2)
location[0] -= 1;
else if (direction == 3)
location[1] += 1;
if (map[location[0]][location[1]] == 1) {
doesStop = true;
break;
}
}
}
int count = 0;
for (int i = 0; i < height; i++)
for (int j = 0; j < width; j++)
if (map[i][j] == 2)
count++;
return count;
}
bool changeDirection() {
for (int i = 0; i < 4; i++) {
if (direction == 0) {
direction = 3;
if (map[location[0]][location[1] - 1] == 0) {
location[1] -= 1;
return true;
}
}
else if (direction == 1) {
direction = 0;
if (map[location[0] - 1][location[1]] == 0) {
location[0] -= 1;
return true;
}
}
else if (direction == 2) {
direction = 1;
if (map[location[0]][location[1] + 1] == 0) {
location[1] += 1;
return true;
}
}
else if (direction == 3) {
direction = 2;
if (map[location[0] + 1][location[1]] == 0) {
location[0] += 1;
return true;
}
}
}
return false;
}