結果

問題 No.401 数字の渦巻き
ユーザー karinohito
提出日時 2022-12-15 11:10:23
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 3,259 bytes
コンパイル時間 3,486 ms
コンパイル使用メモリ 204,332 KB
最終ジャッジ日時 2025-02-09 13:53:20
ジャッジサーバーID
（参考情報） 		judge1 / judge1
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ファイルパターン 結果
other AC * 30
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ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vvvvll = vector<vvvll>;
using vvvvvll = vector<vvvvll>;
using vvvvvvll = vector<vvvvvll>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vvvb = vector<vvb>;
using vvvvb = vector<vvvb>;
using vd = vector<double>;
using vvd = vector<vd>;
using vvvd = vector<vvd>;
using vvvvd = vector<vvvd>;
using vvvvvd = vector<vvvvd>;
#define all(A) A.begin(),A.end()
#define ALL(A) A.begin(),A.end()
#define rep(i, n) for (ll i = 0; i < (ll) (n); i++)
using pqr = priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>>;
template<class T>
bool chmax(T& p, T q, bool C = 1) {
    if (C == 0 && p == q) {
        return 1;
    }
    if (p < q) {
        p = q;
        return 1;
    }
    else {
        return 0;
    }
}
template<class T>
bool chmin(T& p, T q, bool C = 1) {
    if (C == 0 && p == q) {
        return 1;
    }
    if (p > q) {
        p = q;
        return 1;
    }
    else {
        return 0;
    }
}
ll gcd(ll(a), ll(b)) {
    if (a == 0)return b;
    if (b == 0)return a;
    ll c = a;
    while (a % b != 0) {
        c = a % b;
        a = b;
        b = c;
    }
    return b;
}
ll sqrtz(ll N) {
    ll L = 0;
    ll R = sqrt(N) + 10000;
    while (abs(R - L) > 1) {
        ll mid = (R + L) / 2;
        if (mid * mid <= N)L = mid;
        else R = mid;
    }
    return L;
}
/*
using mint = modint998244353;
//using Mint = modint;
vector<mint> fact, factinv, inv;
const ll mod = 998244353;
void prenCkModp(ll n) {
    fact.resize(n + 5);
    factinv.resize(n + 5);
    inv.resize(n + 5);
    fact[0] = fact[1] = 1;
    factinv[0] = factinv[1] = 1;
    inv[1] = 1;
    for (ll i = 2; i < n + 5; i++) {
        fact[i] = (fact[i - 1] * i);
        inv[i] = mod - (inv[mod % i] * (mod / i));
        factinv[i] = (factinv[i - 1] * inv[i]);
    }
}
mint nCk(ll n, ll k) {
    if (n < k || k < 0) return 0;
    return fact[n] * (factinv[k] * factinv[n - k]);
}
*/
template<class T>
vector<vector<T>> mul(vector<vector<T>> A, vector<vector<T>> B) {
    ll N = A.size();
    vector<vector<T>> res(N, vector<T>(N, 0));
    rep(i, N)rep(j, N)rep(k, N) {
        res[i][j] += A[i][k] * B[k][j];
    }
    return res;
}
vll S(vll V,ll A){
    A--;
    vll res;
    res.push_back(V[A]);
    rep(i,V.size()){
        if(i!=A)res.push_back(V[i]);
    }
    return res;
}
int main() {
    
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    ll N;
    cin>>N;
    vvll A(N,vll(N,-1));
    vll dy={0,1,0,-1};
    vll dx={1,0,-1,0};
    ll d=0;
    if(N==1){
        cout<<"001"<<endl;
        return 0;
    }
    ll y=0,x=0;
    rep(i,N*N){
        A[y][x]=i+1;
        ll ny=y+dy[d];
        ll nx=x+dx[d];
        if(max(ny,nx)>=N||min(ny,nx)<0){
            d=(d+1)%4;
            ny=y+dy[d];
            nx=x+dx[d];
        }
        else if(A[ny][nx]!=-1){
            d=(d+1)%4;
            ny=y+dy[d];
            nx=x+dx[d];
        }
        y=ny;x=nx;
    }
    rep(i,N)rep(j,N){
        string S=to_string(A[i][j]);
        while(S.size()<3)S='0'+S;
        cout<<S<<(j==N-1?"\n":" ");
    }
}
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