結果
| 問題 |
No.1366 交換門松列・梅
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-01-29 21:25:25 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 5,370 bytes |
| コンパイル時間 | 2,615 ms |
| コンパイル使用メモリ | 206,600 KB |
| 最終ジャッジ日時 | 2025-01-18 08:49:12 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 2 |
| other | WA * 12 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i=0; i<(n); ++i)
#define RREP(i, n) for(int i=(n);i>=0;--i)
#define FOR(i, a, n) for (int i=(a); i<(n); ++i)
#define RFOR(i, a, b) for(int i=(a);i>=(b);--i)
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()
#define DUMP(x) cerr<<#x<<" = "<<(x)<<endl
#define DEBUG(x) cerr<<#x<<" = "<<(x)<<" (L"<<__LINE__<<")"<<endl;
template<class T>
ostream &operator<<(ostream &os, const vector<T> &v) {
REP(i, SZ(v)) {
if (i) os << " ";
os << v[i];
}
return os;
}
template <class T>
void debug(const vector<T> &v) {
cout << "[";
REP(i, SZ(v)) {
if(i) cout << ", ";
cout << v[i];
}
cout << "]" << endl;
}
template<class T, class U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
return os << p.first << " " << p.second;
}
template <class T, class U>
void debug(const pair<T, U> &p) {
cout << "(" << p.first << " " << p.second << ")" << endl;
}
template<class T>
bool chmax(T &a, const T &b) {
if (a < b) {
a = b;
return true;
}
return false;
}
template<class T>
bool chmin(T &a, const T &b) {
if (b < a) {
a = b;
return true;
}
return false;
}
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using P = pair<int, int>;
using vi = vector<int>;
using vll = vector<ll>;
using vvi = vector<vi>;
using vvll = vector<vll>;
const ll MOD = 1e9 + 7;
const ll MOD998 = 998244353;
const int INF = INT_MAX;
const ll LINF = LLONG_MAX;
const int inf = INT_MIN;
const ll linf = LLONG_MIN;
const ld eps = 1e-9;
template<int m>
struct mint {
int x;
mint(ll x = 0) : x(((x % m) + m) % m) {}
mint operator-() const { return x ? m - x : 0; }
mint &operator+=(mint r) {
if ((x += r.x) >= m) x -= m;
return *this;
}
mint &operator-=(mint r) {
if ((x -= r.x) < 0) x += m;
return *this;
}
mint &operator*=(mint r) {
x = ((ll) x * r.x) % m;
return *this;
}
mint inv() const { return pow(m - 2); }
mint &operator/=(mint r) { return *this *= r.inv(); }
friend mint operator+(mint l, mint r) { return l += r; }
friend mint operator-(mint l, mint r) { return l -= r; }
friend mint operator*(mint l, mint r) { return l *= r; }
friend mint operator/(mint l, mint r) { return l /= r; }
mint pow(ll n) const {
mint ret = 1, tmp = *this;
while (n) {
if (n & 1) ret *= tmp;
tmp *= tmp, n >>= 1;
}
return ret;
}
friend bool operator==(mint l, mint r) { return l.x == r.x; }
friend bool operator!=(mint l, mint r) { return l.x != r.x; }
friend ostream &operator<<(ostream &os, mint a) {
return os << a.x;
}
friend istream &operator>>(istream &is, mint &a) {
ll x;
is >> x;
a = x;
return is;
}
};
using Int = mint<MOD>;
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
int t; cin >> t;
while(t--) {
int n; cin >> n;
vvi a(n, vi(n)), b(n, vi(n));
REP(i, n) {
string s; cin >> s;
REP(j, n) {
a[i][j] = s[j] - '0';
}
}
REP(i, n) {
string s; cin >> s;
REP(j, n) {
b[i][j] = s[j] - '0';
}
}
vvi c(n, vi(n));
REP(i, n) {
REP(j, n) {
c[i][j] = a[i][j] ^ b[i][j];
}
}
bool ok = false;
if(c[0][0]) {
// 01
vvi c1(n, vi(n));
FOR(i, 1, n) {
FOR(j, 1, n) {
c1[i][j] = !c[i][0];
}
}
FOR(j, 1, n) {
FOR(i, 1, n) {
c1[i][j] ^= c[0][j];
}
}
bool nowok = true;
FOR(i, 1, n) {
FOR(j, 1, n) {
nowok &= c[i][j] == c1[i][j];
}
}
if(nowok) {
ok = true;
}
// 10
vvi c2(n, vi(n));
FOR(i, 1, n) {
FOR(j, 1, n) {
c2[i][j] = c[i][0];
}
}
FOR(j, 1, n) {
FOR(i, 1, n) {
c2[i][j] ^= !c[0][j];
}
}
nowok = true;
FOR(i, 1, n) {
FOR(j, 1, n) {
nowok &= c[i][j] == c2[i][j];
}
}
if(nowok) {
ok = true;
}
} else {
// 00
vvi c1(n, vi(n));
FOR(i, 1, n) {
FOR(j, 1, n) {
c1[i][j] = c[i][0];
}
}
FOR(j, 1, n) {
FOR(i, 1, n) {
c1[i][j] ^= c[0][j];
}
}
bool nowok = true;
FOR(i, 1, n) {
FOR(j, 1, n) {
nowok &= c[i][j] == c1[i][j];
}
}
if(nowok) {
ok = true;
}
// 11
vvi c2(n, vi(n));
FOR(i, 1, n) {
FOR(j, 1, n) {
c2[i][j] = !c[i][0];
}
}
FOR(j, 1, n) {
FOR(i, 1, n) {
c2[i][j] ^= !c[0][j];
}
}
nowok = true;
FOR(i, 1, n) {
FOR(j, 1, n) {
nowok &= c[i][j] == c2[i][j];
}
}
if(nowok) {
ok = true;
}
}
REP(i, 100) {
if(i == 1) {
continue;
}
}
cout << (ok ? "YES" : "NO") << endl;
}
return 0;
}