Submission #6872427

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define Rep(i,n) for(int i=0;i<(int)(n);i++)
#define For(i,n1,n2) for(int i=(int)(n1);i<(int)(n2);i++)
#define REP(i,n) for(ll i=0;i<(ll)(n);i++)
#define RREP(i,n) for(ll i=((ll)(n)-1);i>=0;i--)
#define FOR(i,n1,n2) for(ll i=(ll)(n1);i<(ll)(n2);i++)
#define RFOR(i,n1,n2) for(ll i=((ll)(n1)-1);i>=(ll)(n2);i--)
#define all(a)  (a).begin(),(a).end()
#define SORT(a) sort((a).begin(),(a).end())
#define oorret 0
#define oor(x) [&](){try{x;} catch(const out_of_range& oor){return oorret;} return x;}()
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> P;
template<typename T1, typename T2> inline bool chmin(T1& a, T2 b) { if (a > b) { a = b; return 1; }return 0; }
template<typename T1, typename T2> inline bool chmax(T1& a, T2 b) { if (a < b) { a = b; return 1; }return 0; }
template<class Type>struct is_vector : std::false_type {};
template<class ValueType, class Alloc>struct is_vector<std::vector<ValueType, Alloc>> : std::true_type {};
template <typename T> inline ostream& operator << (ostream& out, const vector<T>& v) {
	if (v.empty())return out;
	constexpr bool is_vector_v = is_vector<T>::value;
	if (is_vector_v)for (auto itr = v.begin(); itr != v.end();)out << (*itr), out << ((++itr != v.end()) ? "\n" : "");
	else for (auto itr = v.begin(); itr != v.end();)out << (*itr), out << ((++itr != v.end()) ? " " : "");
	return out;
}
inline void put() {}
template<class T> inline void put(const T& first) { std::cout << first; printf("\n"); }
template<class T, class... N> inline void put(const T& first, const N& ... rest) { std::cout << first; printf(" "); put(rest...); }
inline void putn() {}
template<class T, class... N> inline void putn(const T& first, const N& ... rest) { std::cout << first; printf("\n"); putn(rest...); }


int main() {
	vector<string> s(8);
	REP(i, 8) {
		cin >> s[i];
	}
	vector<vector<int>> a(8, vector<int>(8, 0));
	int dx[8] = { 1,1,0,-1,-1,-1,0,1 };
	int dy[8] = { 0,1,1,1,0,-1,-1,-1 };
	vector<int> c(8, 0);
	REP(i, 8) {
		REP(j, 8) {
			if (s[i][j] == 'Q') {
				REP(k, 8) {
					REP(l, 8) {
						int ny = i + dy[l] * k;
						int nx = j + dx[l] * k;
						if (0 <= ny && ny < 8 && 0 <= nx && nx < 8) {
							a[ny][nx] = 1;
							if (k != 0 && s[ny][nx] == 'Q') {
								put("No Answer");
								return 0;
							}
						}
					}
				}
				c[j] = 1;
			}
		}
	}
	vector<int> p;
	REP(i, 8) {
		if (c[i] == 0) {
			p.push_back(i);
		}
	}
	REP(i1, 8) {
		REP(i2, 8) {
			REP(i3, 8) {
				REP(i4, 8) {
					REP(i5, 8) {
						vector<vector<int>> b = a;
						vector<string> s1 = s;
						bool flag;
						flag = true;
						for (int k = 0; k < 8 && flag; ++k) {
							for (int l = 0; l < 8 && flag; ++l) {
								int ny = i1 + dy[l] * k;
								int nx = p[0] + dx[l] * k;
								if (0 <= ny && ny < 8 && 0 <= nx && nx < 8) {
									b[ny][nx] = 1;
									if (k != 0 && s1[ny][nx] == 'Q') {
										flag = false;
									}
								}
							}
						}
						if (!flag) {
							continue;
						}
						s1[i1][p[0]] = 'Q';
						flag = true;
						for (int k = 0; k < 8 && flag; ++k) {
							for (int l = 0; l < 8 && flag; ++l) {
								int ny = i2 + dy[l] * k;
								int nx = p[1] + dx[l] * k;
								if (0 <= ny && ny < 8 && 0 <= nx && nx < 8) {
									b[ny][nx] = 1;
									if (k != 0 && s1[ny][nx] == 'Q') {
										flag = false;
									}
								}
							}
						}
						if (!flag) {
							continue;
						}
						s1[i2][p[1]] = 'Q';
						flag = true;
						for (int k = 0; k < 8 && flag; ++k) {
							for (int l = 0; l < 8 && flag; ++l) {
								int ny = i3 + dy[l] * k;
								int nx = p[2] + dx[l] * k;
								if (0 <= ny && ny < 8 && 0 <= nx && nx < 8) {
									b[ny][nx] = 1;
									if (k != 0 && s1[ny][nx] == 'Q') {
										flag = false;
									}
								}
							}
						}
						if (!flag) {
							continue;
						}
						s1[i3][p[2]] = 'Q';
						flag = true;
						for (int k = 0; k < 8 && flag; ++k) {
							for (int l = 0; l < 8 && flag; ++l) {
								int ny = i4 + dy[l] * k;
								int nx = p[3] + dx[l] * k;
								if (0 <= ny && ny < 8 && 0 <= nx && nx < 8) {
									b[ny][nx] = 1;
									if (k != 0 && s1[ny][nx] == 'Q') {
										flag = false;
									}
								}
							}
						}
						if (!flag) {
							continue;
						}
						s1[i4][p[3]] = 'Q';
						flag = true;
						for (int k = 0; k < 8 && flag; ++k) {
							for (int l = 0; l < 8 && flag; ++l) {
								int ny = i5 + dy[l] * k;
								int nx = p[4] + dx[l] * k;
								if (0 <= ny && ny < 8 && 0 <= nx && nx < 8) {
									b[ny][nx] = 1;
									if (k != 0 && s1[ny][nx] == 'Q') {
										flag = false;
									}
								}
							}
						}
						if (!flag) {
							continue;
						}
						s1[i5][p[4]] = 'Q';
						
						REP(i, 8) {
							put(s1[i]);
						}
						return 0;
					}
				}
			}
		}
	}
	put("No Answer");
	return 0;
}

Submission Info

Judge Result