Submission #234423

#	Time	Username	Problem	Language	Result	Execution time	Memory
234423		VEGAnn	Tetris (COCI17_tetris)	C++14	64 / 80	5 ms	512 KiB

tetris

#include <bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define a2 array<int,2>
#define PB push_back
using namespace std;
typedef long long ll;
const int N = 110;
const int oo = 2e9;
char c[N][N];
vector<a2> vc, pat[11];
int n, m, gx, gy, ans[5];
char gc;

void rec(int x, int y){
    if (c[x][y] == '.' || c[x][y] != gc) return;
    c[x][y] = '.';

    vc.PB({x - gx, y - gy});

    if (x > 0) rec(x - 1, y);
    if (y > 0) rec(x, y - 1);
    if (y < m - 1) rec(x, y + 1);
    if (x < n - 1) rec(x + 1, y);
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL

    cin >> n >> m;

    for (int i = 0; i < n; i++)
    for (int j = 0; j < m; j++)
        cin >> c[i][j];

    pat[0] = {{0, 0}, {0, 1}, {1, 0}, {1, 1}};

    pat[1] = {{0, 0}, {0, 1}, {0, 2}, {0, 3}};
    pat[2] = {{0, 0}, {1, 0}, {2, 0}, {3, 0}};

    pat[3] = {{0, 0}, {0, 1}, {1, -1}, {1, 0}};
    pat[4] = {{0, 0}, {1, 0}, {1, 1}, {2, 1}};

    pat[5] = {{0, 0}, {0, 1}, {1, 1}, {1, 2}};
    pat[6] = {{0, 0}, {1, -1}, {1, 0}, {2, -1}};

    pat[7] = {{0, 0}, {1, -1}, {1, 0}, {1, 1}};
    pat[8] = {{0, 0}, {1, 0}, {1, 1}, {2, 0}};
    pat[9] = {{0, 0}, {1, -1}, {1, 0}, {2, 0}};
    pat[9] = {{0, 0}, {0, 1}, {0, 2}, {1, 1}};

    for (int i = 0; i < n; i++)
    for (int j = 0; j < m; j++){
        vc.clear();
        gx = i; gy = j;
        gc = c[i][j];

        if (c[i][j] == '.') continue;

        rec(i, j);

        sort(all(vc));

        for (int j = 0; j < 11; j++)
            if (vc == pat[j]){
                if (j < 1) ans[0]++; else
                if (j < 3) ans[1]++; else
                if (j < 5) ans[2]++; else
                if (j < 7) ans[3]++; else ans[4]++;
            }
    }

    for (int i = 0; i < 5; i++)
        cout << ans[i] << '\n';

    return 0;
}

• Subtask 1: 64 / 80