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#291847#7179. Fischer's Chess Guessing GameOAleksaWA 79ms3636kbC++142.4kb2023-12-27 09:43:022023-12-27 09:43:02

Judging History

你现在查看的是最新测评结果

  • [2023-12-27 09:43:02]
  • 评测
  • 测评结果:WA
  • 用时:79ms
  • 内存:3636kb
  • [2023-12-27 09:43:02]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define int long long
const int N = 960;
vector<int> g(N);
vector<char> sv = {'K', 'Q', 'N', 'N', 'B', 'B', 'R', 'R'};
vector<string> perm;
int good(vector<char> ord) {
	int x = -1, y = -1, z = -1, b = -1, a = -1;
	for (int i = 0;i < 8;i++) {
		if (ord[i] == 'K')
			z = i;
		else if (ord[i] == 'B') {
			if (x == -1)
				x = i;
			else
				y = i;
		}
		else if (ord[i] == 'R') {
			if (a == -1)
				a = i;
			else
				b = i;
		}
	}
	return z < b && z > a && x % 2 != y % 2;
};
int diff(string a, string b) {
	int r = 0;
	for (int i = 0;i < 8;i++)
		r += (a[i] == b[i]);
	return r;
};
string ans;
void resi(int r) {
	int x = 0;
	for (int i = 0;i < N;i++) {
		if (diff(perm[i], ans) != r) {
			g[i] = false;
			x++;
		}
	}
	int mn = 1e9;
	for (int i = 0;i < N;i++) {
		if (!g[i])
			continue;
		int mx = 0;
		vector<int> cnt(10);
		for (int j = 0;j < N;j++) {
			if (!g[j])
				continue;
			mx = max(mx, ++cnt[diff(perm[i], perm[j])]);
		}
		if (mx < mn) {
			mn = mx;
			ans = perm[i];
		}
	}
	//cout << mn << " " << x << endl;
}
signed main() {
	ios_base::sync_with_stdio(false);
  cout.tie(nullptr); 
  cin.tie(nullptr);
  //freopen("newbarn.in", "r", stdin);
  //freopen(newbarn.out", "w", stdout);
  int tt = 1;
  //cin >> tt;
  while (tt--) {
  	vector<int> order(8);
  	iota(order.begin(), order.end(), 0);
  	map<string, int> bio;
  	do {
  		vector<char> t;
  		for (int i = 0;i < 8;i++)
  			t.push_back(sv[order[i]]);
  		if (good(t)) {
  			string s;
  			for (auto x : t)
  				s += x;
  			if (bio[s])
  				continue;
  			bio[s] = 1;
  			perm.push_back(s);
  		}
  	} while (next_permutation(order.begin(), order.end()));
  	int mx = 1e9;
  	string ans1;
  	for (int i = 0;i < 960;i++) {
  		vector<int> cnt(10);
  		int l = 0;
  		for (int j = 0;j < 960;j++) 
  			l = max(l, ++cnt[diff(perm[i], perm[j])]);
  		if (l < mx) {
  			ans1 = perm[i];
  			mx = l;
  		}
  	}
  	ans1 = "NRBBNKQR";
  	while (true) {
  		string s;
  		cin >> s;
  		if (s == "GAME") {
  			ans = ans1;
  			for (int i = 0;i < N;i++)
  				g[i] = 1;
  			cin >> s;
  			int c = 0;
  			while (true) {
  				cout << ans << endl;
  				c++;
  				int r;
  				cin >> r;
  				if (r == 8 || c == 6)
  					break;
  				resi(r);
  			}
  		}
  		else
  			break;
  	}
  }
  return 0;
}

详细

Test #1:

score: 100
Accepted
time: 16ms
memory: 3636kb

input:

GAME 1
1
2
2
1
2
8
END

output:

NRBBNKQR
BNRKQBNR
RNBQKRNB
BRNQKBRN
QNRNBKRB
RKRBBQNN

result:

ok (c) correct after 1 tests, max moves 6 (1 test case)

Test #2:

score: 0
Accepted
time: 79ms
memory: 3620kb

input:

GAME 1
1
2
2
1
2
8
GAME 2
2
1
4
1
8
GAME 3
1
2
2
0
8
GAME 4
1
2
1
3
3
8
GAME 5
2
1
3
1
0
8
GAME 6
2
1
2
4
1
8
GAME 7
0
2
3
6
8
GAME 8
1
2
1
1
8
GAME 9
0
3
1
2
8
GAME 10
0
3
3
3
8
GAME 11
0
5
3
3
8
GAME 12
1
1
2
3
4
8
GAME 13
1
2
2
3
4
8
GAME 14
0
4
3
8
GAME 15
1
2
1
2
0
8
GAME 16
1
1
1
1
8
GAME 17
0...

output:

NRBBNKQR
BNRKQBNR
RNBQKRNB
BRNQKBRN
QNRNBKRB
RKRBBQNN
NRBBNKQR
RNBNQBKR
QNRBBKRN
QRNNBKRB
RKRBBNQN
NRBBNKQR
BNRKQBNR
RNBQKRNB
BRNQKBRN
RKRBBNNQ
NRBBNKQR
BNRKQBNR
RNBQKRNB
NQRKRNBB
QBRKNRBN
RKRBQNBN
NRBBNKQR
RNBNQBKR
QNRBBKRN
NNRKBRQB
QBNRBKNR
RKRBNQBN
NRBBNKQR
RNBNQBKR
QNRBBKRN
QBRKNNBR
NBRKBQNR
RKR...

result:

ok (c) correct after 96 tests, max moves 6 (96 test cases)

Test #3:

score: -100
Wrong Answer
time: 16ms
memory: 3604kb

input:

GAME 1
2
2
2
3
3
3

output:

NRBBNKQR
RNBNQBKR
NBRKQNBR
BQNBRNKR
BNRBKQNR
BBQNRKNR

result:

wrong answer (i) too many guesses in game 1, pos = @