結果

問題 No.401 数字の渦巻き
ユーザー saki0080
提出日時 2021-02-01 01:20:57
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 2,763 bytes
コンパイル時間 2,192 ms
コンパイル使用メモリ 196,420 KB
最終ジャッジ日時 2025-01-18 10:29:26
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
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>
// #include <atcoder/all>
using namespace std;
// using namespace atcoder;
#define rep(i, a) for (int i = 0; i < (int)(a); i++)
#define sz(x) (int)(x).size()
#define pcnt __builtin_popcountll
typedef long long ll;
template<typename T>istream& operator>>(istream&i,vector<T>&v){rep(j,sz(v))i>>v[j];return i;}
template<typename T>string join(const vector<T>&v){stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);}
template<typename T>ostream& operator<<(ostream&o,const vector<T>&v){if(sz(v))o<<join(v);return o;}
template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.first>>v.second;}
template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.first<<","<<v.second;}
template<typename T>bool mins(T& x,const T&y){if(x>y){x=y;return true;}else return false;}
template<typename T>bool maxs(T& x,const T&y){if(x<y){x=y;return true;}else return false;}
template<typename T>ll suma(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;}
#ifdef _DEBUG
inline void dump() { cerr << endl; }
template <typename Head> void dump(Head &&head) { cerr << head; dump(); }
template <typename Head, typename... Tail> void dump(Head &&head, Tail &&... tail) { cerr << head << ", "; dump(forward<Tail>(tail)...); }
#define debug(...) do { cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; dump(__VA_ARGS__); } while (false)
#else
#define dump(...)
#define debug(...)
#endif
template <typename T> struct edge {
int src, to;
T cost;
edge(int to, T cost) : src(-1), to(to), cost(cost) {}
edge(int src, int to, T cost) : src(src), to(to), cost(cost) {}
edge &operator=(const int &x) {
to = x;
return *this;
}
operator int() const { return to; }
};
template <typename T> using Edges = vector<edge<T>>;
template <typename T> using WeightedGraph = vector<Edges<T>>;
using UnWeightedGraph = vector<vector<int>>;
template <typename T> using Matrix = vector<vector<T>>;
const ll LINF = 1LL << 60;
const int INF = 1001001001;
/////////////////////////////////////////////////////////////////////
using P = pair<int, int>;
int main()
{
int n; cin>>n;
vector<vector<int>> a(n, vector<int>(n));
int now = 1;
int d = 0;
int dy[] = {0, 1, 0, -1};
int dx[] = {1, 0, -1, 0};
int y = 0;
int x = 0;
while (true) {
a[y][x] = now;
now++;
if (now > n*n) break;
int ny = y + dy[d];
int nx = x + dx[d];
bool f = false;
if (ny < 0 || n <= ny || nx < 0 || n <= nx) f = true;
else if (a[ny][nx] != 0) f = true;
if (f) d = (d+1) % 4;
y += dy[d];
x += dx[d];
}
rep(i, n) {
rep(j, n) {
if (j > 0) cout << " ";
printf("%03d", a[i][j]);
}
cout << "\n";
}
return 0;
}
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