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Copy path13459.cpp
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250 lines (245 loc) · 8.63 KB
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#include<iostream>
#include<algorithm>
#include<cstring>
#include<queue>
using namespace std;
char d[11][11];
int n, m;
int row[3], col[3];
//red blue goal
struct Stage {
int rr, rc;
int br, bc;
int cnt;
Stage(int rr, int rc, int br, int bc, int cnt) :rr(rr), rc(rc), br(br), bc(bc), cnt(cnt) {}
};
pair<int, int> up(int r, int c, int color) {
while (d[r - 1][c] != '#' && (d[r-1][c]=='O'||!(r - 1 == row[1 - color] && c == col[1 - color]))) {
r--;
if (d[r][c] == 'O')
break;
}
return { r,c };
}
pair<int, int> down(int r, int c, int color) {
while (d[r + 1][c] != '#' && (d[r+1][c]=='O'||!(r + 1 == row[1 - color] && c == col[1 - color]))) {
r++;
if (d[r][c] == 'O')
break;
}
return { r,c };
}
pair<int, int> right(int r, int c, int color) {
while (d[r][c + 1] != '#' && (d[r][c+1]=='O'||!(r == row[1 - color] && c + 1 == col[1 - color]))) {
c++;
if (d[r][c] == 'O')
break;
}
return { r,c };
}
pair<int, int> left(int r, int c, int color) {
while (d[r][c - 1] != '#' && (d[r][c-1]=='O'||!(r == row[1 - color] && c - 1 == col[1 - color]))) {
c--;
if (d[r][c] == 'O')
break;
}
return { r,c };
}
int main() {
cin >> n >> m;
for (int i = 0; i < n; i++) {
string s;
cin >> s;
for (int j = 0; j < m; j++) {
d[i][j] = s[j];
if (s[j] == 'R') {
d[i][j] = '.';
row[0] = i;
col[0] = j;
}
if (s[j] == 'B') {
d[i][j] = '.';
row[1] = i;
col[1] = j;
}
if (s[j] == 'O') {
row[2] = i;
col[2] = j;
}
}
}
queue<Stage> q;
q.push(Stage(row[0], col[0], row[1], col[1], 0));
while (!q.empty()) {
row[0] = q.front().rr;
col[0] = q.front().rc;
row[1] = q.front().br;
col[1] = q.front().bc;
int cnt = q.front().cnt;
q.pop();
if (cnt >= 10) {
continue;
}
if (row[0] <= row[1]) {//up 구현
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp1 = up(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
auto tmp2 = up(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2])&&!(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
else {
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp2 = up(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
auto tmp1 = up(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2]) && !(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
if (row[0] >= row[1]) {//down 구현
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp1 = down(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
auto tmp2 = down(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2]) && !(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
else {
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp2 = down(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
auto tmp1 = down(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2]) && !(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
if (col[0] >= col[1]) {//right 구현
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp1 = right(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
auto tmp2 = right(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2]) && !(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
else {
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp2 = right(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
auto tmp1 = right(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2]) && !(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
if (col[0] <= col[1]) {//left 구현
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp1 = left(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
auto tmp2 = left(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2]) && !(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
else {
int sr1 = row[0], sc1 = col[0];
int sr2 = row[1], sc2 = col[1];
auto tmp2 = left(row[1], col[1], 1);
row[1] = tmp2.first;
col[1] = tmp2.second;
auto tmp1 = left(row[0], col[0], 0);
row[0] = tmp1.first;
col[0] = tmp1.second;
if (row[0] == row[2] && col[0] == col[2] && !(row[1] == row[2] && col[1] == col[2])) {
cout << 1;
return 0;
}
if (!(row[1] == row[2] && col[1] == col[2]) && !(row[0] == sr1 && col[0] == sc1 && row[1] == sr2 && col[1] == sc2))
q.push(Stage(row[0], col[0], row[1], col[1], cnt + 1));
row[0] = sr1;
col[0] = sc1;
row[1] = sr2;
col[1] = sc2;
}
}
cout << "0";
}