Submission #303108

#	Time	Username	Problem	Language	Result	Execution time	Memory
303108		jainbot27	Dango Maker (JOI18_dango_maker)	C++17	0 / 100	1 ms	384 KiB

dango_maker

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

const int mxN = 3001;
int n, m, ans = 0; bool g[mxN][mxN]; string s[mxN];
string c = "RGW";
inline bool okay(int x, int y){
    return (x >= 0 && y >= 0 && x < n && y < m && !g[x][y]);
}
int32_t main(){
    cin >> n >> m;
    for(int i=0; i < n; i++){
        cin >> s[i];
    }
    for(int i=n-1; i >= 0; i--){
        for(int j=m-1; j>=0; j--){
            string cur = "";
            for(int k = 0; k < 3; k++){
                if(okay(i+k, j)) cur += s[i+k][j];
            }
            if(cur == c) {
                g[i][j] = 1, g[i+1][j] = 1, g[i+2][j] = 1; continue;
            }
            cur = "";
            for(int k = 0; k < 3; k++){
                if(okay(i, j + k)) cur += s[i][j + k];
            }
            if(cur == c) g[i][j] = 1, g[i][j+1] = 1, g[i][j+2] = 1;
        }
    }
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
            ans += g[i][j];
        }
    }
    cout << ans << "\n";
}

• Subtask 1: 0 / 13
• Subtask 2: 0 / 20
• Subtask 3: 0 / 67