제출 #1180781

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1180781		asli_bg	Dango Maker (JOI18_dango_maker)	C++20	0 / 100	0 ms	400 KiB

dango_maker

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

#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;

#define int long long
//#define int double

typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef vector<int> vi;
typedef vector<bool> vb;

#define FOR(i,a) for(int i=0;i<(a);i++)
#define FORE(i,a,b) for(int i=(a);i<(b);i++)

#define all(x) x.begin(),x.end()
#define fi first
#define se second
#define pb push_back
#define sp <<" "<<

#define cont(x) for(auto el:x) cout<<el<<' ';cout<<endl;
#define contp(x) for(auto el:x) cout<<el.fi<<'-'<<el.se<<' ';cout<<endl;

#define DEBUG(x) cout<<#x sp x<<endl;
#define carp(x,y) ((x%MOD)*(y%MOD))%MOD
#define topla(x,y) ((x%MOD)+(y%MOD))%MOD
#define mid (l+r)/2

const int MAXN=3e3+5;
const int MOD=1e9+7;
const int INF=1e18;

int say[MAXN][MAXN];
int ans;

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

    ans=0;

    int n,m;
    cin>>n>>m;
    vector<string> grid(n);
    vector<vb> used(n, vb(m,false));

    FOR(i,n){
        cin>>grid[i];
        FOR(j,m){
            if(grid[i][j]=='W'){
                if(j-2>=0){
                    if(grid[i][j-1]=='G' and grid[i][j-2]=='R'){
                        used[i][j-2]=used[i][j-1]=used[i][j]=true;
                    }
                }

                if(i-2>=0){
                    if(grid[i-1][j]=='G' and grid[i-2][j]=='R'){
                        used[i-2][j]=used[i-1][j]=used[i][j]=true;
                    }
                }
            }
        }
    }

    int bir,iki,uc;
    bir=iki=uc=0;
    FOR(i,n){
        FOR(j,m){
            if(used[i][j]){
                if(grid[i][j]=='R') bir++;
                else if(grid[i][j]=='G') iki++;
                else uc++;
            }
        }
    }

    cout<<min({bir,iki,uc})<<endl;
}   

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