QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#167769 | #7180. Forward-Capturing Pawns | ucup-team052# | AC ✓ | 146ms | 58292kb | C++14 | 6.8kb | 2023-09-07 17:16:24 | 2023-09-07 17:16:24 |
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];
}
void get(char &t) {
t = getchar();
while (!(t >= 'a' && t <= 'z') && !(t >= '0' && t <= '9')) t = getchar();
}
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;
get(t); a = t - 'a' + 1;
get(t); b = t - '0';
get(t); c = t - 'a' + 1;
get(t); d = t - '0';
get(t); e = t - 'a' + 1;
get(t); f = t - '0';
get(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;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 125ms
memory: 58292kb
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: 0
Accepted
time: 146ms
memory: 58264kb
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...
result:
ok 332912 lines
Extra Test:
score: 0
Extra Test Passed