| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 383611 | alishahali1382 | 미술 수업 (IOI13_artclass) | C++14 | 0 ms | 0 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
//#include "artclass.h"
#include <bits/stdc++.h>
//#pragma GCC optimize ("O2,unroll-loops")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<ll, ll> pll;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define kill(x) return cout<<x<<'\n', 0;
const int inf=1000000010;
const ll INF=1000000000000001000LL;
const int mod=1000000007;
const int MAXN=500;
int n, m, k, u, v, x, y, t, a, b, ted, comp, green;
int par[MAXN*MAXN];
int R[500][500], G[500][500], B[500][500];
int dx[]={0, +1, 0, -1};
int dy[]={-1, 0, +1, 0};
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
inline int diff(int x, int y, int xx, int yy){
return abs(R[x][y]-R[xx][yy])+abs(G[x][y]-G[xx][yy])+abs(B[x][y]-B[xx][yy]);
}
int getpar(int x){ return (par[x]==x?x:par[x]=getpar(par[x]));}
int join(int x, int y){
x=getpar(x);
y=getpar(y);
par[x]=y;
return (x!=y);
}
int style(int nn, int mm, int RR[500][500], int GG[500][500], int BB[500][500]) {
n=nn;
m=mm;
for (int i=0; i<n; i++) for (int j=0; j<m; j++){
R[i][j]=RR[i][j];
G[i][j]=GG[i][j];
B[i][j]=BB[i][j];
}
for (int i=0; i<n; i++) for (int j=0; j<m; j++){
ld r=R[i][j], g=G[i][j], b=B[i][j], sum=r+g+b;
if (sum!=0 && g/sum>.4) green++;
}
iota(par, par+n*m, 0);
comp=n*m;
for (int i=0; i<n; i++) for (int j=0; j<m; j++){
if (i<n-1 && diff(i, j, i+1, j)<=100) comp-=join(i*m+j, (i+1)*m+j);
if (j<m-1 && diff(i, j, i, j+1)<=100) comp-=join(i*m+j, i*m+(j+1));
}
ld S=0;
for (int i=0; i<n; i++) for (int j=0; j+1<m; j++) S+=diff(i, j, i, j+1);
S/=n*m;
if (S>50) return 3;
if (S<=8) return 4;
// cerr<<"S: "<<setprecision(10)<<fixed<<S<<"\n";
// debug(green)
// debug(comp)
if (green>=n*m/4) return 2;
return 1;
}
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin>>n>>m;
for (int i=0; i<n; i++) for (int j=0; j<m; j++) cin>>R[i][j]>>G[i][j]>>B[i][j];
cout<<"ans: "<<style(n, m, R, G, B)<<"\n";
// style(n, m, R, G, B);
return 0;
}