제출 #383578

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
383578		alishahali1382	Art Class (IOI13_artclass)	C++14	컴파일 에러	0 ms	0 KiB

artclass

#include "artclass.h"
#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

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=510, LOG=20;

int n, m, k, u, v, x, y, t, a, b, comp, green;
int mark[MAXN][MAXN];
int R[MAXN][MAXN], G[MAXN][MAXN], G[MAXN][MAXN];
int dx[]={0, +1, 0, -1};
int dy[]={-1, 0, +1, 0};
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

void dfs(int x, int y){
	if (x<0 || x>=n || y<0 || y>=m) return ;
	mark[x][y]++;
	for (int i=0; i<4; i++){
		int xx=x+dx[i], yy=y+dy[i];
		if (!mark[xx][yy]){
			int diff=abs(R[x][y]-R[xx][yy])+abs(G[x][y]-G[xx][yy])+abs(B[x][y]-B[xx][yy]);
			if (diff>100) continue ; // 100/768
			dfs(xx, yy);
		}
	}
}

int style(int H, int W, int RR[500][500], int GG[500][500], int BB[500][500]) {
	n=H;
	m=W;
	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 (g/sum>.5) green++;
	}
	
	for (int i=0; i<n; i++) for (int j=0; j<m; j++) if (!mark[i][j]){
		dfs(i, j);
		comp++;
	}
	debug(green)
	debug(comp)
	
	if (green>=n*m/3) return 2;
	if (comp<=5) return 4;
	if (comp<=25) return 1
	return 3;
}

컴파일 시 표준 에러 (stderr) 메시지

artclass.cpp:28:35: error: redefinition of 'int G [510][510]'
   28 | int R[MAXN][MAXN], G[MAXN][MAXN], G[MAXN][MAXN];
      |                                   ^
artclass.cpp:28:20: note: 'int G [510][510]' previously declared here
   28 | int R[MAXN][MAXN], G[MAXN][MAXN], G[MAXN][MAXN];
      |                    ^
artclass.cpp: In function 'void dfs(int, int)':
artclass.cpp:39:63: error: 'B' was not declared in this scope
   39 |    int diff=abs(R[x][y]-R[xx][yy])+abs(G[x][y]-G[xx][yy])+abs(B[x][y]-B[xx][yy]);
      |                                                               ^
artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:52:3: error: 'B' was not declared in this scope
   52 |   B[i][j]=BB[i][j];
      |   ^
artclass.cpp:55:30: error: 'B' was not declared in this scope
   55 |   ld r=R[i][j], g=G[i][j], b=B[i][j], sum=r+g+b;
      |                              ^
artclass.cpp:56:9: error: 'sum' was not declared in this scope
   56 |   if (g/sum>.5) green++;
      |         ^~~
artclass.cpp:55:6: warning: unused variable 'r' [-Wunused-variable]
   55 |   ld r=R[i][j], g=G[i][j], b=B[i][j], sum=r+g+b;
      |      ^
artclass.cpp:55:28: warning: unused variable 'b' [-Wunused-variable]
   55 |   ld r=R[i][j], g=G[i][j], b=B[i][j], sum=r+g+b;
      |                            ^
artclass.cpp:68:24: error: expected ';' before 'return'
   68 |  if (comp<=25) return 1
      |                        ^
      |                        ;
   69 |  return 3;
      |  ~~~~~~