Submission #238691

#	Time	Username	Problem	Language	Result	Execution time	Memory
238691		Vimmer	Spirale (COCI18_spirale)	C++14	80 / 80	60 ms	512 KiB

spirale

#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define N 300001
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9

using namespace std;
//using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef short int si;
typedef array <int, 2> a2;

//typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;


int a[105][105], kr, n, m;

void upd(int x, int y, int val){if (0 <= x && x < n && 0 <= y && y < m) {kr++; a[x][y] = min(a[x][y], val);}}

int main()
{
    //freopen("input.txt", "r", stdin); //freopen("output4.txt", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int k;

    cin >> n >> m >> k;

    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++) a[i][j] = 1e9;

    for (int i = 0; i < k; i++)
    {
        int x, y, t, len = 1, dir = 1, val = 1;

        kr = 0;

        cin >> x >> y >> t;

        x--; y--;

        upd(x, y, val);

        while (kr < n * m)
        {
            int kol = 0;

            if (t == 1)
            {
                while (kol < len)
                {
                    kol++; val++;

                    if (dir == 2) x++;
                      else if (dir == 1) x--;
                        else if (dir == 3) y++;
                          else y--;

                    upd(x, y, val);
                }

                if (dir == 1) dir = 4;
                  else if (dir == 4) {len++; dir = 2;}
                    else if (dir == 2) dir = 3;
                      else if (dir == 3) {len++; dir = 1;}
            }
            else
            {
                while (kol < len)
                {
                    kol++; val++;

                    if (dir == 2) x++;
                      else if (dir == 1) x--;
                        else if (dir == 3) y++;
                          else y--;

                    upd(x, y, val);
                }

                if (dir == 1) dir = 3;
                  else if (dir == 3) {len++; dir = 2;}
                    else if (dir == 2) dir = 4;
                      else if (dir == 4) {len++; dir = 1;}
            }
        }
    }

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++) cout << a[i][j] << " ";

        cout << endl;
    }
}

• Subtask 1: 80 / 80