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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 |
---|---|---|---|---|---|---|---|---|---|
#167767 | #7180. Forward-Capturing Pawns | ucup-team052# | TL | 95ms | 58072kb | C++14 | 6.7kb | 2023-09-07 17:14:55 | 2023-09-07 17:14:56 |
Judging History
answer
#include <bits/stdc++.h>
#define rep(i, a, b) for (int i = a; i <= b; i++)
#define per(i, a, b) for (int i = a; i >= b; i--)
using namespace std;
typedef unsigned long long ull;
typedef pair <int, int> pii;
typedef long long ll;
template <typename _T>
inline void read(_T &f) {
f = 0; _T fu = 1; char c = getchar();
while (c < '0' || c > '9') { if (c == '-') { fu = -1; } c = getchar(); }
while (c >= '0' && c <= '9') { f = (f << 3) + (f << 1) + (c & 15); c = getchar(); }
f *= fu;
}
template <typename T>
void print(T x) {
if (x < 0) putchar('-'), x = -x;
if (x < 10) putchar(x + 48);
else print(x / 10), putchar(x % 10 + 48);
}
template <typename T>
void print(T x, char t) {
print(x); putchar(t);
}
const int N = 1e6 + 5;
const int dx[8] = {1, 1, 1, 0, 0, -1, -1, -1};
const int dy[8] = {1, 0, -1, 1, -1, 1, 0, -1};
vector <int> adj[N];
queue <int> q;
int dp[N], out[N];
int T;
int get_state(int a, int b, int c, int d, int e, int f, int g) {
int st = 0;
st = st * 8 + a;
st = st * 8 + b;
st = st * 8 + c;
st = st * 8 + d;
st = st * 8 + e;
st = st * 8 + f;
st = st * 2 + g;
return st;
}
void add(int u, int v) {
adj[v].push_back(u); ++out[u];
}
int main() {
for (int a = 1; a <= 8; a++) {
for (int b = 1; b <= 8; b++) {
for (int c = 1; c <= 8; c++) {
for (int d = 2; d <= 8; d++) {
if (a == c && b == d) continue;
for (int e = 1; e <= 8; e++) {
for (int f = 1; f <= 8; f++) {
if (a == e && b == f) continue;
if (c == e && d == f) continue;
for (int g = 0; g <= 1; g++) {
int nst = get_state(a, b, c, d, e, f, g);
// if (nst > 900000) fprintf(stderr, "nst = %d\n", nst);
if (g == 0) {
for (int dd = 0; dd < 8; dd++) {
int x = a + dx[dd], y = b + dy[dd];
if (x >= 1 && y >= 1 && x <= 8 && y <= 8 && (x != c || y != d)) {
if (x == e && y == f) {
dp[nst] = 1;
} else {
int st = get_state(x, y, c, d, e, f, 1);
add(nst, st);
}
}
}
if (d != 8) {
int up = (d == 2 ? 2 : 1);
if (a == c && b == d + 1) up = 1;
for (int i = 1; i <= up; i++) {
int x = c, y = d + i;
if (x >= 1 && y >= 1 && x <= 8 && y <= 8 && (x != a || y != b)) {
if (x == e && y == f) {
dp[nst] = 1;
} else {
int st = get_state(a, b, x, y, e, f, 1);
add(nst, st);
}
}
}
} else {
dp[nst] = 1;
}
} else {
auto check = [&](int x, int y) {
if (abs(x - a) <= 1 && abs(y - b) <= 1) return 0;
if (x == c && y == d + 1) return 0;
if (x == c && y == d + 2 && d == 2) return 0;
return 1;
};
int can_move = 0;
for (int dd = 0; dd < 8; dd++) {
int x = e + dx[dd], y = f + dy[dd];
if (x >= 1 && y >= 1 && x <= 8 && y <= 8) {
if (x == a && y == b) {
dp[nst] = -1;
// fprintf(stderr, "happy\n");
} else if (x == c && y == d) {
if (abs(a - c) <= 1 && abs(b - d) <= 1) continue;
dp[nst] = -1;
} else {
if (!can_move && check(x, y)) can_move = 1;
int st = get_state(a, b, c, d, x, y, 0);
add(nst, st);
}
}
}
if (!can_move && check(e, f)) dp[nst] = -1;
}
}
}
}
}
}
}
}
for (int i = 0; i < N; i++) {
if (dp[i]) {
q.push(i);
}
}
while (!q.empty()) {
int u = q.front(); q.pop();
for (auto v : adj[u]) {
if (!dp[v]) {
int vg = v % 2;
if (vg == 0 && dp[u] == 1) {
dp[v] = 1; q.push(v);
} else if (vg == 1 && dp[u] == -1) {
dp[v] = -1; q.push(v);
} else {
--out[v];
if (out[v] == 0) {
if (vg == 0) dp[v] = -1;
else dp[v] = 1;
q.push(v);
}
}
}
}
}
read(T);
while (T--) {
int a, b, c, d, e, f, g;
char t;
cin >> t; a = t - 'a' + 1;
cin >> t; b = t - '0';
cin >> t; c = t - 'a' + 1;
cin >> t; d = t - '0';
cin >> t; e = t - 'a' + 1;
cin >> t; f = t - '0';
cin >> t; g = (t == 'b');
int st = get_state(a, b, c, d, e, f, g);
printf("%s\n", dp[st] == 1 ? "Win" : "Draw");
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 95ms
memory: 58072kb
input:
6 a2 d7 e7 w b6 d7 e7 b b6 d7 e7 w b5 a2 b2 w a6 a2 a4 b g6 g7 h8 b
output:
Draw Draw Win Win Draw Draw
result:
ok 6 lines
Test #2:
score: -100
Time Limit Exceeded
input:
332912 h8 h7 f8 b h8 h7 f8 w h8 h7 e8 b h8 h7 e8 w h8 h7 d8 b h8 h7 d8 w h8 h7 c8 b h8 h7 c8 w h8 h7 b8 b h8 h7 b8 w h8 h7 a8 b h8 h7 a8 w h8 h7 f7 b h8 h7 f7 w h8 h7 e7 b h8 h7 e7 w h8 h7 d7 b h8 h7 d7 w h8 h7 c7 b h8 h7 c7 w h8 h7 b7 b h8 h7 b7 w h8 h7 a7 b h8 h7 a7 w h8 h7 h6 b h8 h7 h6 w h8 h7 g...
output:
Draw Draw Draw Win Win Win Win Win Win Win Win Win Draw Draw Draw Win Win Win Win Win Win Win Win Win Win Win Draw Win Draw Win Draw Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win Win...