Submission #234381

#	Time	Username	Problem	Language	Result	Execution time	Memory
234381		Vimmer	Tetris (COCI17_tetris)	C++14	80 / 80	6 ms	384 KiB

tetris

#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")

#define sz(x) ll(x.size())
#define base 1000000
#define M ll(1e9+7)
#define N 100005
#define F first
#define S second
#define pb push_back
#define in insert
#define eb emplace_back
#define ed "\n"

using namespace std;
//using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;
typedef short int si;

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





int kol[5];

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

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

    int n, m;

    cin >> n >> m;

    string s[n];

    for (int i = 0; i < n; i++) cin >> s[i];

    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
          if (0 <= s[i][j] - 'A' && s[i][j] - 'A' < 26)  s[i][j] = char('a' + s[i][j] - 'A');

    bool mk[n][m];

    memset(mk, 0, sizeof(mk));

    bool f = 1;

    while (f)
    {
        f = 0;

        int xs, ys;

        for (int i = 0; i < n && !f; i++)
            for (int j = 0; j < m && !f; j++)
                if (!mk[i][j] && s[i][j] != '.') {f = 1; xs = i; ys = j; break;}

        if (!f) break;

        bool fr = 1;

        for (int j = ys; j < ys + 4; j++)
            if (j >= m || s[xs][j] != s[xs][ys]) fr = 0;

        if (fr) {kol[1]++; for (int j = ys; j < ys + 4; j++) mk[xs][j] = 1; continue;}

        fr = 1;

        for (int i = xs; i < xs + 4; i++)
            if (i >= n || s[i][ys] != s[xs][ys]) fr = 0;

        if (fr) {kol[1]++; for (int i = xs; i < xs + 4; i++) mk[i][ys] = 1; continue;}

        if (xs + 1 < n && ys - 1 >= 0 && ys + 1 < m && s[xs][ys] == s[xs + 1][ys] && s[xs + 1][ys - 1] == s[xs][ys] && s[xs][ys] == s[xs + 1][ys + 1])
        {
            mk[xs][ys] = 1; mk[xs + 1][ys] = 1; mk[xs + 1][ys - 1] = 1; mk[xs + 1][ys + 1] = 1;

            kol[4]++;

            continue;
        }

        if (xs + 1 < n && ys + 1 < m && s[xs][ys] == s[xs + 1][ys] && s[xs][ys] == s[xs + 1][ys + 1] && s[xs][ys] == s[xs][ys + 1])
        {
            mk[xs][ys] = 1; mk[xs + 1][ys] = 1; mk[xs + 1][ys + 1] = 1; mk[xs][ys + 1] = 1;

            kol[0]++;

            continue;
        }

        if (xs + 1 < n && ys + 1 < m && ys - 1 >= 0 && s[xs][ys] == s[xs][ys + 1] && s[xs][ys] == s[xs + 1][ys] && s[xs][ys] == s[xs + 1][ys - 1])
        {
            mk[xs][ys] = 1; mk[xs][ys + 1] = 1; mk[xs + 1][ys] = 1; mk[xs + 1][ys - 1] = 1;

            kol[2]++;

            continue;
        }

        if (xs + 1 < n && ys + 2 < m && s[xs][ys] == s[xs][ys + 1] && s[xs][ys] == s[xs + 1][ys + 1] && s[xs][ys] == s[xs + 1][ys + 2])
        {
            mk[xs][ys] = 1; mk[xs][ys + 1] = 1; mk[xs + 1][ys + 1] = 1; mk[xs + 1][ys + 2] = 1;

            kol[3]++;

            continue;
        }

        if (xs + 2 < n && ys - 1 >= 0 && s[xs][ys] == s[xs + 1][ys] && s[xs][ys] == s[xs + 1][ys - 1] && s[xs][ys] == s[xs + 2][ys - 1])
        {
            mk[xs][ys] = 1; mk[xs + 1][ys] = 1; mk[xs + 1][ys - 1] = 1; mk[xs + 2][ys - 1] = 1;

            kol[3]++;

            continue;
        }

        if (xs + 2 < n && ys + 1 < m && s[xs][ys] == s[xs + 1][ys] && s[xs][ys] == s[xs + 1][ys + 1] && s[xs][ys] == s[xs + 2][ys + 1])
        {
            mk[xs][ys] = 1; mk[xs + 1][ys] = 1; mk[xs + 1][ys + 1] = 1; mk[xs + 2][ys + 1] = 1;

            kol[2]++;

            continue;
        }

        if (xs + 2 < n && ys - 1 >= 0 && s[xs][ys] == s[xs + 1][ys] && s[xs + 1][ys - 1] == s[xs][ys] && s[xs][ys] == s[xs + 2][ys])
        {
            mk[xs][ys] = 1; mk[xs + 1][ys] = 1; mk[xs + 1][ys - 1] = 1; mk[xs + 2][ys] = 1;

            kol[4]++;

            continue;
        }

        if (xs + 1 < n && ys + 2 < m && s[xs][ys] == s[xs][ys + 1] && s[xs + 1][ys + 1] == s[xs][ys] && s[xs][ys] == s[xs][ys + 2])
        {
            mk[xs][ys] = 1; mk[xs][ys + 1] = 1; mk[xs + 1][ys + 1] = 1; mk[xs][ys + 2] = 1;

            kol[4]++;

            continue;
        }

        if (xs + 2 < n && ys + 1 < m && s[xs][ys] == s[xs + 1][ys + 1] && s[xs + 1][ys] == s[xs][ys] && s[xs][ys] == s[xs + 2][ys])
        {
            mk[xs][ys] = 1; mk[xs + 1][ys + 1] = 1; mk[xs + 1][ys] = 1; mk[xs + 2][ys] = 1;

            kol[4]++;

            continue;
        }
    }

    for (int i = 0; i < 5; i++) cout << kol[i] << endl;
}

• Subtask 1: 80 / 80