Submission #1144397

#	Time	Username	Problem	Language	Result	Execution time	Memory
1144397		Robert_junior	Dango Maker (JOI18_dango_maker)	C++20	13 / 100	0 ms	328 KiB

dango_maker

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ins insert
#define all(x) x.begin(), x.end()
#define F first
#define S second
const int N  = 9000100;
char a[3001][3001];
int mt[N], timer, n, m;
int func(int i, int j){
    return (i - 1) * m + j;
}
void solve(){
    cin>>n>>m;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin>>a[i][j]; 
        }
    }
    int ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            if(j + 2 <= m && a[i][j] == 'R' && a[i][j + 1] == 'G' && a[i][j + 2] == 'W' && !mt[func(i, j + 2)] && !mt[func(i, j)]){
                mt[func(i, j + 2)] = func(i, j);
                mt[func(i, j)] = func(i, j + 2);
                ans++;
            }
        }
        for(int j = 1; j <= m; j++){
            if(i + 2 <= n && a[i][j] == 'R' && a[i + 1][j] == 'G' && a[i + 2][j] == 'W' && !mt[func(i + 2, j)] && !mt[func(i, j)]){
                mt[func(i + 2, j)] = func(i, j);
                mt[func(i, j)] = func(i + 2, j);
                ans++;
            }
        }
    }
    cout<<ans<<'\n';
}
signed main(){
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int t = 1;
    //cin>>t;
    while(t--){
        solve();
    }
}

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