# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
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948898 | 2024-03-18T16:01:58 Z | vjudge1 | 무지개나라 (APIO17_rainbow) | C++17 | 0 ms | 0 KB |
#include <bits/stdc++.h> #define endl '\n' #define mp make_pair #define pb push_back #define f first #define s second #define fo(i,n) for(auto i =0 ; i < n;i++) #define fore(i,l,r) for(auto i = l; i < r;i++) #define forex(i,r,l) for(auto i = r; i >= l; i--) #define ffo(i,n) forex(i,n-1,0) #define all(x) x.begin(),x.end() #define lsb(x) x&(-x) #define sz(x) (int)x.size() #define gcd(a,b) __gcd(a,b) #define vii vector<ii> using namespace std; using ii = pair<int,int>; using ll = long long; using ull = unsigned long long; using vi = vector<ll>; void valid(int in){cout<<((in)?"YES\n":"NO\n");return;} vector<vi> arr; void init(int n, int m, int sr ,int sc, int movs, string moves){ arr.resize(n+1, vi(m+1,0));arr[sr][sc] = 1; fo(i,movs){ if(moves[i] == 'N')sr--; else if(moves[i]=='S')sr++; else if(moves[i]=='E')sc++; else if(moves[i]=='W')sc--; arr[sr][sc] = 1; } } int colours(int r1, int c1, int r2 ,int c2){int n=sz(arr)-1, m = sz(arr[0])-1; vector<vi> vis(55, vi(55,0));vi dir = {0,1,0,-1,0};int con = 0; fore(i, r1, r2+1){ fore(j, c1, c2+1){ if(vis[i][j] || arr[i][j])continue; queue<ii> q;q.push({i,j});vis[i][j]=1;con++; while(q.size()){ ii where = q.front();q.pop(); fo(k,4){ int ni = where.f + dir[k], nj = where.s + dir[k+1]; if(ni<r1 || nj<c1 || ni>r2 || nj>c2)continue; if(vis[ni][nj] || arr[ni][nj]) continue; vis[ni][nj]=1;q.push({ni, nj}); } } } }return con; }