Submission #1177740
Source Code Expand
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cassert>
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)
#define rep(i,n) FOR(i,0,n)
#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define vint vector<int>
#define vdouble vector<double>
#define vstring vector<string>
using namespace std;
#include<map>
#include<set>
#include<queue>
typedef long long ll;
typedef unsigned long long ull;
const int n = 8;
bool putQueen(int h, int w, vector<string>& c) {
c[h][w] = 'Q';
// Qがおけない場所は.にしてゆく
// 行チェック
rep(i,n) {
if (i == w) continue;
if (c[h][i] == 'Q') return false;
c[h][i] = '.';
}
// 列チェック
rep(i,n) {
if (i == h) continue;
if (c[i][w] == 'Q') return false;
c[i][w] = '.';
}
// 右上方向斜めチェック
rep(i,n) {
if (i == h) continue;
int j = w + i - h;
if (j < 0 || j >= n) continue;
if (c[i][j] == 'Q') return false;
c[i][j] = '.'
;
}
// 右下方向斜めチェック
rep(j,n) {
if (j == w) continue;
int i = h + w - j;
if (i < 0 || i >= n) continue;
if (c[i][j] == 'Q') return false;
c[i][j] = '.';
}
return true;
}
void printBoard(vector<string>& c) {
rep(i,n) cout << c[i] << endl;
}
bool dfs(int h, int w, vector<string> c, int cnt) {
if (!putQueen(h, w, c)) return false;
cnt--;
if (cnt == 0) {
printBoard(c);
return true;
}
rep(i,n) {
rep(j,n) {
if (c[i][j] != 'o') continue;
if (dfs(i, j, c, cnt)) return true;
}
}
return false;
}
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
vector<string> c(n);
rep(i,n) cin >> c[i];
// Qがおける場所をoとする
// いったんすべての.をoとする
rep(i,n){
rep(j,n){
if (c[i][j] == '.') c[i][j] = 'o';
}
}
//初期状態チェック
rep(i,n){
rep(j,n) {
if (c[i][j] == 'Q' && !putQueen(i, j, c)) {
cout << "No Answer" << endl;
return 0;
}
}
}
rep(i,n) {
rep(j,n) {
if (c[i][j] == 'o' && dfs(i, j, c, 5))
return 0;
}
}
cout << "No Answer" << endl;
return 0;
}
Submission Info
Submission Time |
|
Task |
C - パズルのお手伝い |
User |
misora192 |
Language |
C++14 (GCC 5.4.1) |
Score |
100 |
Code Size |
2222 Byte |
Status |
AC |
Exec Time |
2 ms |
Memory |
256 KB |
Judge Result
Set Name |
All |
Score / Max Score |
100 / 100 |
Status |
|
Set Name |
Test Cases |
All |
00_sample1.txt, 00_sample2.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 01_rnd_20.txt, 01_rnd_21.txt, 01_rnd_22.txt, 01_rnd_23.txt, 01_rnd_24.txt, 01_rnd_25.txt, 01_rnd_26.txt, 01_rnd_27.txt, 01_rnd_28.txt, 01_rnd_29.txt, 01_rnd_30.txt, 01_rnd_31.txt, 01_rnd_32.txt, 01_rnd_33.txt, 01_rnd_34.txt, 01_rnd_35.txt, 01_rnd_36.txt, 01_rnd_37.txt, 01_rnd_38.txt, 01_rnd_39.txt |
Case Name |
Status |
Exec Time |
Memory |
00_sample1.txt |
AC |
1 ms |
256 KB |
00_sample2.txt |
AC |
1 ms |
256 KB |
01_rnd_00.txt |
AC |
2 ms |
256 KB |
01_rnd_01.txt |
AC |
1 ms |
256 KB |
01_rnd_02.txt |
AC |
1 ms |
256 KB |
01_rnd_03.txt |
AC |
2 ms |
256 KB |
01_rnd_04.txt |
AC |
1 ms |
256 KB |
01_rnd_05.txt |
AC |
2 ms |
256 KB |
01_rnd_06.txt |
AC |
1 ms |
256 KB |
01_rnd_07.txt |
AC |
1 ms |
256 KB |
01_rnd_08.txt |
AC |
1 ms |
256 KB |
01_rnd_09.txt |
AC |
1 ms |
256 KB |
01_rnd_10.txt |
AC |
1 ms |
256 KB |
01_rnd_11.txt |
AC |
1 ms |
256 KB |
01_rnd_12.txt |
AC |
1 ms |
256 KB |
01_rnd_13.txt |
AC |
1 ms |
256 KB |
01_rnd_14.txt |
AC |
1 ms |
256 KB |
01_rnd_15.txt |
AC |
1 ms |
256 KB |
01_rnd_16.txt |
AC |
1 ms |
256 KB |
01_rnd_17.txt |
AC |
1 ms |
256 KB |
01_rnd_18.txt |
AC |
1 ms |
256 KB |
01_rnd_19.txt |
AC |
1 ms |
256 KB |
01_rnd_20.txt |
AC |
1 ms |
256 KB |
01_rnd_21.txt |
AC |
1 ms |
256 KB |
01_rnd_22.txt |
AC |
1 ms |
256 KB |
01_rnd_23.txt |
AC |
2 ms |
256 KB |
01_rnd_24.txt |
AC |
1 ms |
256 KB |
01_rnd_25.txt |
AC |
1 ms |
256 KB |
01_rnd_26.txt |
AC |
1 ms |
256 KB |
01_rnd_27.txt |
AC |
1 ms |
256 KB |
01_rnd_28.txt |
AC |
2 ms |
256 KB |
01_rnd_29.txt |
AC |
1 ms |
256 KB |
01_rnd_30.txt |
AC |
1 ms |
256 KB |
01_rnd_31.txt |
AC |
1 ms |
256 KB |
01_rnd_32.txt |
AC |
1 ms |
256 KB |
01_rnd_33.txt |
AC |
1 ms |
256 KB |
01_rnd_34.txt |
AC |
1 ms |
256 KB |
01_rnd_35.txt |
AC |
1 ms |
256 KB |
01_rnd_36.txt |
AC |
1 ms |
256 KB |
01_rnd_37.txt |
AC |
1 ms |
256 KB |
01_rnd_38.txt |
AC |
2 ms |
256 KB |
01_rnd_39.txt |
AC |
2 ms |
256 KB |