結果
| 問題 |
No.3211 NAND Oracle
|
| コンテスト | |
| ユーザー |
k1suxu
|
| 提出日時 | 2025-07-25 23:14:04 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 278 ms / 2,000 ms |
| コード長 | 3,232 bytes |
| コンパイル時間 | 3,612 ms |
| コンパイル使用メモリ | 290,448 KB |
| 実行使用メモリ | 7,716 KB |
| 最終ジャッジ日時 | 2025-07-25 23:14:14 |
| 合計ジャッジ時間 | 8,010 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 28 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using std::cin;
using std::cout;
#define rep(i,n) for(int i = 0; i < (int)n; i++)
#define FOR(n) for(int i = 0; i < (int)n; i++)
#define repi(i,a,b) for(int i = (int)a; i < (int)b; i++)
#define all(x) x.begin(),x.end()
//#define mp make_pair
#define vi vector<int>
#define vvi vector<vi>
#define vvvi vector<vvi>
#define vvvvi vector<vvvi>
#define pii pair<int,int>
#define vpii vector<pair<int,int>>
template<typename T>
bool chmax(T &a, const T b) {if(a<b) {a=b; return true;} else {return false;}}
template<typename T>
bool chmin(T &a, const T b) {if(a>b) {a=b; return true;} else {return false;}}
using ll = long long;
using ld = long double;
using ull = unsigned long long;
const ll INF = numeric_limits<long long>::max() / 2;
const ld pi = 3.1415926535897932384626433832795028;
const ll mod = 998244353;
int dx[] = {1, 0, -1, 0, -1, -1, 1, 1};
int dy[] = {0, 1, 0, -1, -1, 1, -1, 1};
#define int long long
void solve() {
int q, k;
cin >> q >> k;
if (q <= 8) {
vpii used;
vvi a({{0, 0}, {0, 1}, {1, 0}, {1, 1}});
auto dfs = [&](int id, auto self) -> void {
if (id == q) {
vi sum(4);
rep(i, 4) rep(j, q + 2) sum[i] += a[i][j];
if (*max_element(all(sum)) <= k) {
cout << "Yes" << endl;
for (auto e : used) cout << e.first + 1 << " " << e.second + 1 << endl;
exit(0);
}
return;
}
rep(i, id+2) repi(j, i + 1, id+2) {
used.emplace_back(i, j);
rep(t, 4) a[t].emplace_back(!(a[t][i]&a[t][j]));
self(id+1, self);
rep(t, 4) a[t].pop_back();
used.pop_back();
}
};
dfs(0, dfs);
}
cerr << "HI" << endl;
if (q == 1) {
cout << "Yes" << endl;
cout << 1 << " " << 2 << endl;
}
if (q == 2) {
if (k <= 2) cout << "No" << endl;
else {
cout << "Yes" << endl;
cout << 1 << " " << 2 << endl;
cout << 2 << " " << 3 << endl;
}
}
if (q == 3) {
if (k <= 2) cout << "No" << endl;
else {
cout << "Yes" << endl;
cout << 1 << " " << 2 << endl;
cout << 2 << " " << 3 << endl;
cout << 1 << " " << 4 << endl;
}
}
if (q == 4) {
if (k <= 3) cout << "No" << endl;
else {
cout << "Yes" << endl;
cout << 1 << " " << 2 << endl;
cout << 2 << " " << 3 << endl;
cout << 1 << " " << 4 << endl;
cout << 1 << " " << 5 << endl;
}
}
if (q >= 5) {
if (k <= 4) cout << "No" << endl;
else {
cout << "Yes" << endl;
cout << 1 << " " << 2 << endl;
cout << 2 << " " << 3 << endl;
cout << 1 << " " << 4 << endl;
cout << 1 << " " << 5 << endl;
cout << 1 << " " << 5 << endl;
FOR(q-5) cout << 6 << " " << 7 << endl;
}
}
}
signed main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
solve();
return 0;
}
k1suxu