QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#554877 | #4234. Tic Tac Toe Counting | Fortitude# | WA | 20ms | 3972kb | C++23 | 1.9kb | 2024-09-09 16:59:55 | 2024-09-09 16:59:55 |
Judging History
answer
#include <bits/stdc++.h>
#define pb push_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define f first
#define s second
using namespace std;
using ll = long long;
using pii = pair <int, int>;
const int N = 2e5 + 5;
char s[3][3];
int cnt[2];
bool used[2][19683];
pair<int, int> dp[2][19683];
bool win(char c){
for(int i = 0; i < 3; i++){
if(s[i][0] == c && s[i][1] == c && s[i][2] == c) return 1;
if(s[0][i] == c && s[1][i] == c && s[2][i] == c) return 1;
}
if(s[0][0] == c && s[1][1] == c && s[2][2] == c)
return 1;
if(s[0][2] == c && s[1][1] == c && s[2][0] == c)
return 1;
return 0;
}
pair<int, int> calc(bool type){
int id = 0;
for(int i = 0; i < 9; i++){
if(s[i / 3][i % 3] == '.') id = id * 3;
if(s[i / 3][i % 3] == 'X') id = id * 3 + 1;
if(s[i / 3][i % 3] == 'O') id = id * 3 + 2;
}
if(win('X')){
return {1, 0};
}
if(win('O')){
return {0, 1};
}
if(used[type][id]){
return dp[type][id];
}
used[type][id] = 1;
pair<int, int> res = {0, 0};
for(int i = 0; i < 3; i++){
for(int j = 0; j < 3; j++){
if(s[i][j] == '.'){
if(!type){
s[i][j] = 'X';
auto x = calc(type ^ 1);
res.f += x.f;
res.s += x.s;
}else{
s[i][j] = 'O';
auto x = calc(type ^ 1);
res.f += x.f;
res.s += x.s;
}
s[i][j] = '.';
}
}
}
return dp[type][id] = {res.f, res.s};
}
void solve(){
int cntx = 0, cnty = 0;
for(int i = 0; i < 9; i++){
char c;
cin >> c;
s[i / 3][i % 3] = c;
if(c == 'X') cntx++;
if(c == 'O') cnty++;
}
if(cnty > cntx || abs(cntx - cnty) > 1){
cout << "-1 -1\n";
return;
}
if(win('X') && win('O')){
cout << "-1 -1\n";
return;
}
auto x = calc(cntx != cnty);
cout << x.f << " " << x.s << "\n";
}
int main() {
ios :: sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while(t--){
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3740kb
input:
4 XX..O.... X...OX... OOOX.X.X. OOOXXX...
output:
191 194 232 200 0 1 -1 -1
result:
ok 4 lines
Test #2:
score: 0
Accepted
time: 20ms
memory: 3896kb
input:
100000 ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......
output:
131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 1...
result:
ok 100000 lines
Test #3:
score: -100
Wrong Answer
time: 19ms
memory: 3972kb
input:
100000 ......... X........ O........ .X....... XX....... OX....... .O....... XO....... OO....... ..X...... X.X...... O.X...... .XX...... XXX...... OXX...... .OX...... XOX...... OOX...... ..O...... X.O...... O.O...... .XO...... XXO...... OXO...... .OO...... XOO...... OOO...... ...X..... X..X..... O.....
output:
131184 77904 14652 7896 -1 -1 14232 10176 -1 -1 1798 1276 -1 -1 2048 756 -1 -1 14652 7896 -1 -1 1832 1132 -1 -1 -1 -1 220 248 2048 756 268 144 -1 -1 -1 -1 1832 1132 -1 -1 1798 1276 220 248 -1 -1 -1 -1 -1 -1 -1 -1 14232 10176 -1 -1 1798 1276 -1 -1 -1 -1 264 188 1868 1080 239 126 -1 -1 -1 -1 -1 -1 312...
result:
wrong answer 882nd lines differ - expected: '-1 -1', found: '1 0'