QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #509130 | #6314. 过河卒 | kymmykym | 100 ✓ | 1244ms | 100236kb | C++14 | 6.3kb | 2024-08-08 10:41:57 | 2024-08-08 10:41:57 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
int n,m;
typedef pair<int,int>pi;
pi dist[2][11][11][11][11][11][11];//{winner,dist}
int in[2][11][11][11][11][11][11];
int dx[]={-1,0,0,1};
int dy[]={0,-1,1,0};
char A[11][11];
int state(int turn, int ri1, int rj1, int ri2, int rj2, int bi1, int bj1){
if(turn == 0){//R's turn
if(bi1==1)return 1;
if((ri1==bi1&&rj1==bj1) || (ri2==bi1 && rj2==bj1))return 1;//B wins
bool can=0;
for(int k=0;k<4;k++){
int nx1=ri1+dx[k];
int ny1=rj1+dy[k];
if(nx1<1||nx1>n||ny1<1||ny1>m||A[nx1][ny1]=='#'||(nx1==ri2&&ny1==rj2))continue;
can=1;
}
for(int k=0;k<4;k++){
int nx2=ri2+dx[k];
int ny2=rj2+dy[k];
if(nx2<1||nx2>n||ny2<1||ny2>m||A[nx2][ny2]=='#'||(nx2==ri1&&ny2==rj1))continue;
can=1;
}
if(!can)return 1; // black wins
return 0;//tie
} else{
if(bi1==1)return 1;
if((ri1==bi1&&rj1==bj1) || (ri2==bi1 && rj2==bj1))return -1; // R wins
bool can=0;
for(int k=0;k<3;k++){
int nx1=bi1+dx[k];
int ny1=bj1+dy[k];
if(nx1<1||nx1>n||ny1<1||ny1>m||A[nx1][ny1]=='#')continue;
can=1;
}
if(!can)return -1;
return 0;
}
}
int id, T;
void solve(){
cin >> n >> m;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
cin>>A[i][j];
}
}
queue<array<int,7>>qu;
for(int turn=0;turn<=1;turn++){
for(int ri1=1;ri1<=n;ri1++){
for(int rj1=1;rj1<=m;rj1++){
for(int ri2=1;ri2<=n;ri2++){
for(int rj2=1;rj2<=m;rj2++){
for(int bi1=1;bi1<=n;bi1++){
for(int bj1=1;bj1<=m;bj1++){
in[turn][ri1][rj1][ri2][rj2][bi1][bj1]=0;
dist[turn][ri1][rj1][ri2][rj2][bi1][bj1]=make_pair(0,0);
if(A[ri1][rj1] == '#' || A[ri2][rj2] == '#' || A[bi1][bj1] == '#')continue;
if(ri1==ri2 && rj1==rj2)continue;
int res=state(turn,ri1,rj1,ri2,rj2,bi1,bj1);
if(res==-1){//red
dist[turn][ri1][rj1][ri2][rj2][bi1][bj1]=make_pair(-1,0);
qu.push({turn,ri1,rj1,ri2,rj2,bi1,bj1});
} else if(res==1){//black
dist[turn][ri1][rj1][ri2][rj2][bi1][bj1]=make_pair(1,0);
qu.push({turn,ri1,rj1,ri2,rj2,bi1,bj1});
} else{
if(turn == 0){
for(int k=0;k<4;k++){
int nx1=ri1+dx[k];
int ny1=rj1+dy[k];
if(nx1<1||nx1>n||ny1<1||ny1>m||A[nx1][ny1]=='#'||(nx1==ri2&&ny1==rj2))continue;
in[turn][ri1][rj1][ri2][rj2][bi1][bj1]++;
}
for(int k=0;k<4;k++){
int nx2=ri2+dx[k];
int ny2=rj2+dy[k];
if(nx2<1||nx2>n||ny2<1||ny2>m||A[nx2][ny2]=='#'||(nx2==ri1&&ny2==rj1))continue;
in[turn][ri1][rj1][ri2][rj2][bi1][bj1]++;
}
} else{
for(int k=0;k<3;k++){
int nx1=bi1+dx[k];
int ny1=bj1+dy[k];
if(nx1<1||nx1>n||ny1<1||ny1>m||A[nx1][ny1]=='#')continue;
in[turn][ri1][rj1][ri2][rj2][bi1][bj1]++;
}
}
}
}
}
}
}
}
}
}
while(qu.size()){
array<int,7> cur=qu.front();qu.pop();
int turn=cur[0], ri1=cur[1],rj1=cur[2],ri2=cur[3],rj2=cur[4],bi1=cur[5],bj1=cur[6];
pi res=dist[turn][ri1][rj1][ri2][rj2][bi1][bj1];
assert(res.first!=0);
//cerr << turn << " " << ri1 <<" " << rj1 << " " << ri2 <<" "<<rj2<<" "<<bi1<<" " << bj1<<":"<<res.first<<"|"<<res.second<<endl;
if(turn == 0){//it was r's turn, so before that it's black turn
int nturn=1-turn;
for(int k=1;k<4;k++){
int px=bi1+dx[k];
int py=bj1+dy[k];
if(px<1||px>n||py<1||py>m||A[px][py]=='#'||dist[nturn][ri1][rj1][ri2][rj2][px][py].first != 0)continue;
if(res.first == 1){//black wins here
dist[nturn][ri1][rj1][ri2][rj2][px][py].first=res.first;
dist[nturn][ri1][rj1][ri2][rj2][px][py].second=res.second+1;
qu.push({nturn,ri1,rj1,ri2,rj2,px,py});
} else{//red wins here.
in[nturn][ri1][rj1][ri2][rj2][px][py]--;
if(in[nturn][ri1][rj1][ri2][rj2][px][py]==0){
dist[nturn][ri1][rj1][ri2][rj2][px][py].first=res.first;
dist[nturn][ri1][rj1][ri2][rj2][px][py].second=res.second+1;
qu.push({nturn,ri1,rj1,ri2,rj2,px,py});
}
}
}
} else{//red turn before this.
int nturn=1-turn;
for(int k=0;k<4;k++){
int px=ri1+dx[k];
int py=rj1+dy[k];
if(px<1||px>n||py<1||py>m||A[px][py]=='#'||dist[nturn][px][py][ri2][rj2][bi1][bj1].first != 0)continue;
if(res.first == -1){
dist[nturn][px][py][ri2][rj2][bi1][bj1].first=res.first;
dist[nturn][px][py][ri2][rj2][bi1][bj1].second=res.second+1;
qu.push({nturn,px,py,ri2,rj2,bi1,bj1});
} else{
in[nturn][px][py][ri2][rj2][bi1][bj1]--;
if(in[nturn][px][py][ri2][rj2][bi1][bj1]==0){
dist[nturn][px][py][ri2][rj2][bi1][bj1].first=res.first;
dist[nturn][px][py][ri2][rj2][bi1][bj1].second=res.second+1;
qu.push({nturn,px,py,ri2,rj2,bi1,bj1});
}
}
}
for(int k=0;k<4;k++){
int px=ri2+dx[k];
int py=rj2+dy[k];
if(px<1||px>n||py<1||py>m||A[px][py]=='#'||dist[nturn][ri1][rj1][px][py][bi1][bj1].first != 0)continue;
if(res.first == -1){
dist[nturn][ri1][rj1][px][py][bi1][bj1].first=res.first;
dist[nturn][ri1][rj1][px][py][bi1][bj1].second=res.second+1;
qu.push({nturn,ri1,rj1,px,py,bi1,bj1});
} else{
in[nturn][ri1][rj1][px][py][bi1][bj1]--;
if(in[nturn][ri1][rj1][px][py][bi1][bj1]==0){
dist[nturn][ri1][rj1][px][py][bi1][bj1].first=res.first;
dist[nturn][ri1][rj1][px][py][bi1][bj1].second=res.second+1;
qu.push({nturn,ri1,rj1,px,py,bi1,bj1});
}
}
}
}
}
vector<pi>red,black;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(A[i][j] == 'O'){
red.push_back({i,j});
} else if(A[i][j]=='X'){
black.push_back({i,j});
}
}
}
pi res=dist[0][red[0].first][red[0].second][red[1].first][red[1].second][black[0].first][black[0].second];
//cerr<<in[0][red[0].first][red[0].second][red[1].first][red[1].second][black[0].first][black[0].second];
if(res.first == 0){
cout<<"Tie\n";
} else if(res.first == 1){
cout<<"Black "<<res.second<<"\n";
} else{
cout<<"Red "<<res.second<<"\n";
}
}
int32_t main(){
ios_base::sync_with_stdio(0);cin.tie(0);
cin >> id >> T;
while(T--)solve();
}
詳細信息
Pretests
Final Tests
Test #1:
score: 5
Accepted
time: 670ms
memory: 96572kb
input:
1 10 10 10 .#......#. ..#....#.. #..#..#..# ..#.O..#.. .#......#. ...####... ##..X...## .......... .##.O####. .......... 10 10 .##..##... .....##... ..X#.#.... #........# ..#.#.#... .#...#.#.. #..#.#.#.. ..#..#.#.# ...##O#... ..##O#.#.. 4 1 O O # X 10 10 .##.....## ...#....## .#.#...#.. .O###..... #...
output:
Tie Black 0 Black 0 Tie Black 0 Tie Black 0 Black 0 Tie Tie
result:
ok 10 lines
Test #2:
score: 5
Accepted
time: 565ms
memory: 94600kb
input:
2 10 10 10 .#.####..# .##..##### ##.###X### #....####. .#.####### #.#O###.## ..##.####. ..######## ########## ##O#.#.### 10 10 ..#.###.## ......#..# ....#O.... #..#.....# ...#.##### .....#..#. ..#.....#O X#....###. #.....##.. .#..##.... 10 10 .......##. .O##...##. ..#....... ####..O... ....#...## .....
output:
Black 0 Tie Tie Black 0 Black 0 Tie Black 0 Tie Tie Black 0
result:
ok 10 lines
Test #3:
score: 5
Accepted
time: 577ms
memory: 99652kb
input:
3 10 10 10 ##.####### ###..###OO ##X####.## ...####### #..###...# ##...##### ##..#.#### ..##..##.# ###..#.#.# #.###..##. 10 10 .##..##... .....##... ..X#.#.... #........# ..#.#.#... .#...#.#.. #..#.#.#.. ..#..#.#.# ...##O#... ..##O#.#.. 10 10 .......... .X........ .......... .......... ..#....... .....
output:
Black 0 Black 0 Black 0 Black 0 Black 0 Tie Tie Tie Tie Tie
result:
ok 10 lines
Test #4:
score: 5
Accepted
time: 429ms
memory: 88948kb
input:
4 10 10 10 .#......#. ..#....#.. #..#..#..# ..#.O..#.. .#......#. ...####... ##..X...## .......... .##.O####. .......... 10 10 ...#.##... ..####.##. ###.###### .####O#.X# ...####..# .##O#..#.# ##.#..###. #.#.#....# .#.#####.# .##.#.#.## 3 2 OO ## #X 10 10 .##.##...# ..##..#.#O .#O#.#...# #.#.#..##. ...
output:
Tie Black 0 Black 0 Black 0 Black 0 Black 0 Tie Tie Tie Tie
result:
ok 10 lines
Test #5:
score: 5
Accepted
time: 850ms
memory: 97736kb
input:
5 10 10 10 .......... ....O..... .......... ...X...... .......... .......... .......... .......... ########## .......O.. 10 10 .......... ..O....... .......... .......... .......... X......... .......... .......... ########## .......O.. 10 1 . . . O . . . X # O 10 1 O . . . . . . X # O 10 10 ..........
output:
Red 9 Red 21 Black 12 Red 7 Black 8 Red 23 Black 14 Red 25 Red 23 Red 1
result:
ok 10 lines
Test #6:
score: 5
Accepted
time: 740ms
memory: 94908kb
input:
6 10 10 10 .....O.... .......... .......... .......... .......... .X........ .......... .......... ########## ...O...... 10 1 O . . . . . . X # O 10 10 .......... ..O....... .......... .......... .......... X......... .......... .......... ########## .......O.. 10 10 .......... .....O.... .............
output:
Red 17 Red 7 Red 21 Red 17 Black 2 Black 12 Black 6 Red 25 Red 23 Black 10
result:
ok 10 lines
Test #7:
score: 5
Accepted
time: 0ms
memory: 75320kb
input:
7 10 10 1 . O # . . X . # . O 10 1 O . . . . . . X . O 10 1 . . # O O # # . . X 5 1 O O . X . 10 1 O # . . . . . X . O 9 1 O # O . . . . . X 10 1 . . . . X O . # . O 10 1 O O . # . . . . . X 10 1 . . . . . . X . O O 10 1 O . . . # X # O . .
output:
Red 5 Red 7 Black 0 Black 2 Red 11 Black 10 Red 1 Red 11 Black 12 Red 1
result:
ok 10 lines
Test #8:
score: 5
Accepted
time: 0ms
memory: 73472kb
input:
8 10 10 1 . . # . X # . O # O 10 1 . O O . X . . . . . 10 1 O O . . . . . . . X 5 1 . # O X O 10 1 O # . . . . X . . O 9 1 O # O . . . . X . 10 1 # . . . X O . # . O 10 1 O O # # . . . . . X 10 1 # . . . . . X . O O 10 1 . # O . # O . X # .
output:
Red 3 Red 3 Red 9 Red 1 Red 9 Red 5 Red 1 Black 0 Red 11 Red 3
result:
ok 10 lines
Test #9:
score: 5
Accepted
time: 0ms
memory: 75320kb
input:
9 10 10 1 # O # . . X . # . O 10 1 O . . . X . . . . O 10 1 . . # O O . # . . X 5 1 O O . X . 10 1 O # . # . . . X . O 9 1 O . # O . . . X . 10 1 . . . . X O . . . O 10 1 O O . # # . . . . X 10 1 . . . . X . # . O O 10 1 . # O # O . . X # .
output:
Red 5 Red 5 Red 5 Black 2 Red 7 Red 5 Red 1 Red 9 Black 8 Red 3
result:
ok 10 lines
Test #10:
score: 5
Accepted
time: 724ms
memory: 94584kb
input:
10 10 10 10 .###..###. .....O...# .##.#..... ..##.##.X# ##......#. #...#..... ....##...# ..#..O##.# #..#.##... .....##.#. 10 10 #...##..#. #......##. ..##....#. #.#.##..#O .O...#.##. .....##.X. .###...... ....#.#.#. .......##. ###...##.# 10 10 #.#....... ..##..##.. ..##.#X..O ....#..... #..#....#. #...
output:
Red 7 Red 5 Red 3 Black 2 Red 9 Tie Tie Red 9 Red 9 Red 7
result:
ok 10 lines
Test #11:
score: 5
Accepted
time: 822ms
memory: 100236kb
input:
11 10 10 10 ...#.....# ..#....... ##.##.###. ##...#.##X .....#...# ...#.#.O.# ..#...#... .....#.... ......#..# #...#...O# 10 10 ..###O#O#. .#.###.##. ##..#..#.. ....#X.... ........## ........## #...##.... ...#..###. ........#. ..#...#.#. 10 10 ######...# O.X.O####. #.#.#.#... #.......#. ...##...#. ....
output:
Black 8 Black 0 Black 2 Tie Tie Red 9 Tie Red 9 Red 9 Red 1
result:
ok 10 lines
Test #12:
score: 5
Accepted
time: 777ms
memory: 98752kb
input:
12 10 10 10 ##..##..O. .#........ .#.......# .......... #......... .XO##..... #......... .......... .......... .......... 5 6 #.#### #.#### #.OO## #X#### ###### 10 10 ....###### .######### O...##.### .######### ....###### ####....#. ####.####. ####.O..#. #######.#. ####....#X 10 10 .......... .........
output:
Red 1 Black 2 Red 9 Tie Red 9 Black 6 Tie Tie Red 3 Tie
result:
ok 10 lines
Test #13:
score: 5
Accepted
time: 835ms
memory: 99244kb
input:
13 10 10 10 .##...#... .#####..## #..#..#..# #........# #...#.#.#. ....#..... ..#####... ....#..#.. ..##O#.... .X...O##.# 10 10 .##......# ..#..##..O ...#.##... ##..#O..## ..#...#... ###.....#X ..#....... .##.#.#... .#.#.#..#. #......#.# 10 10 .........# .......... O......... .......... ....O..... ....
output:
Black 6 Red 9 Red 9 Red 9 Black 8 Tie Red 7 Red 7 Tie Tie
result:
ok 10 lines
Test #14:
score: 5
Accepted
time: 1244ms
memory: 97796kb
input:
14 10 10 10 .......O.. .......... .......... O......... .......... .......... .......... .......... .......X.. .......... 10 10 .##...#... .#####..## ...#..##.# #........# #...#.#.#. ....#..... ..#####... ....#..#.. ..##O#.... .X...O##.# 10 10 .#..O...#. ...####... ##.X....## .......... .#.O..#... ....
output:
Red 27 Black 6 Tie Black 8 Red 17 Red 63 Black 12 Red 17 Black 16 Red 5
result:
ok 10 lines
Test #15:
score: 5
Accepted
time: 564ms
memory: 89816kb
input:
15 10 10 10 .########O .........# ########.# .........# .######### .......... #########. .......... .######### .......O.X 10 10 .##...#... .#####..## ...#..##.# #........# #...#.#.#. ....#..... ..#####... ....#..#.. ..##O#.... .X...O##.# 10 8 ####.... ...#..#. .###..#. ...#.O#. ##.#..#. ...####. .##...
output:
Black 102 Black 6 Red 13 Red 9 Tie Red 63 Red 93 Red 139 Red 45 Black 44
result:
ok 10 lines
Test #16:
score: 5
Accepted
time: 596ms
memory: 92156kb
input:
16 10 10 10 ....###### .######### O...##.### .######### ....###### ####....#. ####.####. ####.O..#. #######.#. ####....#X 10 10 .#..O...#. ...####... ##.X....## .......... .#.O..#... .#....#... .#....#... ..####.... .......... .......... 10 10 O######### #..#..#... ..#..#..## .#..#..#.. ...#..#..# ....
output:
Red 9 Tie Black 50 Red 333 Red 41 Black 6 Red 133 Black 24 Red 111 Red 101
result:
ok 10 lines
Test #17:
score: 5
Accepted
time: 849ms
memory: 95668kb
input:
17 10 10 10 ########## .......... .......... ..######## .......... #########. .O........ .......... #......... O#X....... 10 10 .##...#... .#####..## ...#..##.# #........# #...#.#.#. ....#..... ..#####... ....#..#.. ..##O#.... .X...O##.# 10 10 #.......O. ..#....... ...##.##.. .......... .......... ....
output:
Black 60 Black 6 Red 53 Red 35 Tie Tie Red 9 Red 65 Tie Red 63
result:
ok 10 lines
Test #18:
score: 5
Accepted
time: 629ms
memory: 95736kb
input:
18 10 10 10 O......... #..#..###. .#.##...#. ..X....... .####..... .##...##.# ...#..###. ...###..O# ..#..#.... .......### 10 10 ...#.....O ........#. ........X. .......... ...#...... .......... .........# .....O.... ..#....... .......... 10 10 ..O.#..... #.#...#... ...#..###. ....#..... ..#..#..#. #...
output:
Red 159 Tie Red 73 Black 36 Black 56 Black 6 Red 15 Black 0 Red 63 Black 2
result:
ok 10 lines
Test #19:
score: 5
Accepted
time: 668ms
memory: 94220kb
input:
19 10 10 10 .....#.... ...#.#.#.# #..#.##.#. .##.....#. .#..##.#.# ...#...... #.#.#.##.. ##...#O##. ..#.#O.... .#...#..X. 10 10 .O....#... .####....# .###...#.. .......... ###....##. ....#..##. .#.#.#.... .##.O#..#. #..#...#.. ...#....X# 10 10 O######### #..#..#... ..#..#..## .#..#..#.. ...#..#..# ....
output:
Black 6 Red 57 Black 50 Red 11 Tie Red 129 Red 99 Black 0 Red 111 Red 27
result:
ok 10 lines
Test #20:
score: 5
Accepted
time: 651ms
memory: 90260kb
input:
20 10 10 10 .##.....## ...#....## .#.#...#.. .O###..... ###....... ......###. .....#..O. ##........ ..#...X... .##....... 10 10 #...#.##.. .O##.....# #.#.....#. .#...#.... ....#..#.. .###...... ....O##.#. .#.#.....# .......... .#.#...X#. 10 10 ......###. ..#.#..##. .#.......# .#.#..###. ..#.#..#.. #...
output:
Tie Red 63 Red 61 Red 9 Black 6 Black 0 Tie Red 333 Red 57 Tie
result:
ok 10 lines
Extra Test:
score: 0
Extra Test Passed