Submission #97533

#	Time	Username	Problem	Language	Result	Execution time	Memory
97533		tincamatei	Art Class (IOI13_artclass)	C++14	91 / 100	125 ms	22008 KiB

artclass

#include "artclass.h"
#include <bits/stdc++.h>

using namespace std;

const int SAMECOLOR = 60;

int H, W, R[500][500], G[500][500], B[500][500];
bool viz[500][500];
bool pallette[256][256][256];

int comp, ncolors, averageGreen = 0;

int neoplastic() {
	return -abs(comp - 100);
}

int impressionist() {
	return -abs(comp - 500);
}

int expressionist() {
	return -abs(comp - 7000);
}

int colourfield() {
	return -abs(comp - 5);
}

int dl[] = {0, 1, 0, -1};
int dc[] = {1, 0,-1,  0};

void dfs(int l, int c) {
	viz[l][c] = true;
	for(int i = 0; i < 4; ++i) {
		int ln = l + dl[i];
		int cn = c + dc[i];
		if(0 <= ln && ln < H && 0 <= cn && cn < W && !viz[ln][cn] &&
		   abs(R[l][c] - R[ln][cn]) + 
			 abs(G[l][c] - G[ln][cn]) + 
			 abs(B[l][c] - B[ln][cn]) <= SAMECOLOR) {
			dfs(ln, cn);
		}
	}
}

void getData() {
	for(int i = 0; i < H; ++i)
		for(int j = 0; j < W; ++j) {
			if(!viz[i][j]) {
				dfs(i, j);
				comp++;
			}
			
			if(!pallette[R[i][j] / SAMECOLOR][G[i][j] / SAMECOLOR][B[i][j] / SAMECOLOR]) {
				pallette[R[i][j] / SAMECOLOR][G[i][j] / SAMECOLOR][B[i][j] / SAMECOLOR] = true;
				ncolors++;
			}
			if(G[i][j] - R[i][j] >= 10 && G[i][j] - B[i][j] >= 80)
				++averageGreen;
			//averageGreen = averageGreen + G[i][j] + R[i][j] + B[i][j];
		}
//	averageGreen /= H * W;
}

int style(int _H, int _W, int _R[500][500], int _G[500][500], int _B[500][500]) {
	H = _H;
	W = _W;
	for(int i = 0; i < H; ++i)
		for(int j = 0; j < W; ++j) {
			R[i][j] = _R[i][j];
			G[i][j] = _G[i][j];
			B[i][j] = _B[i][j];
		}
	
	getData();

	//printf("NR COMP %d\n", comp);
	//printf("NCOLORS %d\n", ncolors);
	//printf("Green: %d\n", averageGreen);

	int rez = 0;

	if(comp <= 20)
		rez = 4;
	else if(comp >= 15000)
		rez = 3;
	else {
		if(averageGreen >= 5)
			rez = 2;
		else
			rez = 1;
	}
	
	return rez;
}

• Subtask 1: 91 / 100