Submission #1168002

#	Time	Username	Problem	Language	Result	Execution time	Memory
1168002		zh_h	Collecting Mushrooms (NOI18_collectmushrooms)	C++20	Compilation error	0 ms	0 KiB

mushrooms

#include <bits/stdc++.h>
#define pb push_back
using namespace std;

int main() {
    int R, C, D, K;
    cin >> R >> C >> D >> K;

    vector<vector<char>> grid(R, vector<char>(C))
    vector<pair<int, int>> splinter;
    for (int i = 0; i < R; i ++) {
        for (int j = 0; j < C; j ++) {
            char temp;
            cin >> temp;
            grid[R][C] = temp;

            if (temp == 'S') {
                splinter.pb({i, j});
            }
        }
    }

    vector<vector<int>> mushroom(R, vector<int>(C));
    int harvestable_mushroom = 0;

    for (int z = 0; z < splinter.size(); z ++) {
        int x = splinter[z].first, y = splinter[z].second;

        int first_row = min(0, x-D), last_row = max(R-1, x+D);
        int first_col = min(0, y-D), last_col = max(C-1, y+D);

        for (int i = first_row; i <= last_row; i ++) {
            for (int j = firt_col; j <= lasr_col; j ++) {
                if (grid[i][j] == 'M') {
                    mushroom[i][j]++;
                }

                if (mushroom[i][j] >= K) {
                    grid[i][j] == '.';
                    harvestable_mushroom ++;
                }
            }
        }
    }

    cout << harvestable_mushroom << endl;
}

Compilation message (stderr)

mushrooms.cpp: In function 'int main()':
mushrooms.cpp:10:5: error: expected ',' or ';' before 'vector'
   10 |     vector<pair<int, int>> splinter;
      |     ^~~~~~
mushrooms.cpp:18:17: error: 'splinter' was not declared in this scope
   18 |                 splinter.pb({i, j});
      |                 ^~~~~~~~
mushrooms.cpp:26:25: error: 'splinter' was not declared in this scope
   26 |     for (int z = 0; z < splinter.size(); z ++) {
      |                         ^~~~~~~~
mushrooms.cpp:30:32: error: 'y' was not declared in this scope
   30 |         int first_col = min(0, y-D), last_col = max(C-1, y+D);
      |                                ^
mushrooms.cpp:33:26: error: 'firt_col' was not declared in this scope; did you mean 'first_col'?
   33 |             for (int j = firt_col; j <= lasr_col; j ++) {
      |                          ^~~~~~~~
      |                          first_col
mushrooms.cpp:33:41: error: 'lasr_col' was not declared in this scope
   33 |             for (int j = firt_col; j <= lasr_col; j ++) {
      |                                         ^~~~~~~~