Submission #59688

#	Time	Username	Problem	Language	Result	Execution time	Memory
59688		spencercompton	Art Class (IOI13_artclass)	C++17	8 / 100	152 ms	9656 KiB

artclass

#include "artclass.h"
#include <bits/stdc++.h>
using namespace std;
class Photo{
public:
	vector<double> vals;
	int id;
	Photo(double b, double c, double d, int a){
		id = a;
		vals.push_back(0);
		vals.push_back(+c-d-b);
		vals.push_back(0);
	}
	double dif(Photo o){
		double ret = 0.0;
		for(int i = 0; i<vals.size(); i++){
			// cout << "# " << vals[i] << " " << o.vals[i] << endl;
			ret += (vals[i]-o.vals[i]) * (vals[i]-o.vals[i]);
		}
		return ret;
	}
};
double dif(double x, double y){
	return (x-y)/(x+y+0.0001)*2.0 * (x-y) /(x+y+0.0001) *2.0;
}
class Color{
public:
	double r, g, b;
	Color(){
		r = 0;
		g = 0;
		b = 0;
	}
	Color(int x, int y, int z){
		r = x;
		g = y;
		b = z;
	}
	bool operator<(const Color &o) const{
		if(r!=o.r){
			return r<o.r;
		}
		if(g!=o.g){
			return g<o.g;
		}
		return b<o.b;
	}
	bool cool(Color o, double tol){
		double val = dif(r,o.r) + dif(g,o.g) + dif(b,o.b);
		// cout << "@ " << val << " " << tol << endl;
		return val<=tol;
	}

};
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
	double sum[3] = {0.0,0.0,0.0};
	vector<Color> li[H];
	double all = 0.0;
	double tol = 0.02;
	double per = 0.0;
	double black = 0.0;
	double white = 0.0;
	for(int i = 0; i<H; i++){
		for(int j = 0; j<W; j++){
			li[i].push_back(Color(R[i][j],G[i][j],B[i][j]));
			if(R[i][j]>=220 && G[i][j]>=220 && B[i][j]>=220){
				black++;
			}
			if(R[i][j]<20 && B[i][j] <20 && G[i][j]<20){
				white++;
			}
			if(i>0){
				all++;
				if(li[i][j].cool(li[i-1][j],tol)){
					per++;
				}
			}
			if(j>0){
				all++;
				if(li[i][j].cool(li[i][j-1],tol)){
					per++;
				}
			}
			sum[0] += R[i][j];
			sum[1] += G[i][j];
			sum[2] += B[i][j];
		}
	}
	per /= all;
	black /= H * W;
	white /= H * W;
	if(white<0.00001){
		return 4;
	}
	else{
		return (rand()%3) + 1;
	}
	// cout << "!@# " << fixed << setprecision(6) << per << " " << black << " " << white << endl;
	// if(black>0.2){
	// 	assert(false);
	// 	//either 1 or 3
	// 	return 1;
	// }
	// else{
	// 	return 1;
	// 	// int x = rand()%3;
	// 	// if(x==0){
	// 	// 	return 2;
	// 	// }
	// 	// else if(x==1){
	// 	// 	return 3;
	// 	// }
	// 	// else{
	// 	// 	return 4;
	// 	// }
	// }

	// for(int i = 0; i<3; i++){
	// 	sum[i] /= H*W;
	// }
	// // cout << "bef.push_back(Photo(" << sum[0] << ", " << sum[1] << ", " << sum[2] << ", ";
	// Photo now = Photo(sum[0],sum[1],sum[2],-1);
	// vector<Photo> bef;

	// bef.push_back(Photo(190.324, 175.007, 159.743, 1));
	// bef.push_back(Photo(147.793, 137.624, 94.7409, 1));
	// bef.push_back(Photo(188.825, 159.937, 143.64, 1));
	// bef.push_back(Photo(173.11, 148.423, 130.601, 1));
	// bef.push_back(Photo(209.025, 199.682, 197.314, 1));
	// bef.push_back(Photo(229.496, 210.578, 141.905, 1));
	// bef.push_back(Photo(180.467, 174.2, 178.657, 1));
	// bef.push_back(Photo(169.395, 161.816, 156.893, 1));
	// bef.push_back(Photo(220.232, 133.557, 122.695, 1));
	// bef.push_back(Photo(130.771, 116.231, 86.0482, 2));
	// bef.push_back(Photo(116.816, 108.483, 68.9826, 2));
	// bef.push_back(Photo(122.273, 86.3923, 46.4901, 2));
	// bef.push_back(Photo(76.5431, 86.4914, 59.5179, 2));
	// bef.push_back(Photo(82.5524, 77.3391, 45.9116, 2));
	// bef.push_back(Photo(111.459, 110.026, 65.8072, 2));
	// bef.push_back(Photo(126.313, 103.38, 76.9841, 2));
	// bef.push_back(Photo(98.2613, 103.548, 58.0462, 2));
	// bef.push_back(Photo(60.6975, 91.1116, 70.2834, 2));
	// bef.push_back(Photo(142.305, 134.207, 119.739, 3));
	// bef.push_back(Photo(139.022, 118.038, 85.0787, 3));
	// bef.push_back(Photo(143.453, 139.216, 133.429, 3));
	// bef.push_back(Photo(124.075, 116.275, 102.134, 3));
	// bef.push_back(Photo(131.676, 105.793, 65.2298, 3));
	// bef.push_back(Photo(216.569, 201.339, 156.971, 3));
	// bef.push_back(Photo(114.869, 112.627, 83.4856, 3));
	// bef.push_back(Photo(119.47, 113.515, 98.8594, 3));
	// bef.push_back(Photo(133.837, 115.121, 118.349, 3));
	// bef.push_back(Photo(100.719, 110.242, 119.565, 4));
	// bef.push_back(Photo(84.5105, 23.8112, 25.2976, 4));
	// bef.push_back(Photo(217.14, 6.45131, 14.198, 4));
	// bef.push_back(Photo(239.767, 156.768, 89.0347, 4));
	// bef.push_back(Photo(155.385, 76.7555, 39.738, 4));
	// bef.push_back(Photo(195.063, 118.751, 25.1931, 4));
	// bef.push_back(Photo(46.4144, 48.1066, 50.294, 4));
	// bef.push_back(Photo(182.285, 104.388, 75.9469, 4));
	// bef.push_back(Photo(201.687, 162.679, 58.5665, 4));

	// double tot[5] = {0.0,0.0,0.0,0.0,0.0};
	// int best = 1;

	// for(int i = 0; i<bef.size(); i++){
	// 	tot[bef[i].id] += bef[i].dif(now);
	// }
	// for(int i = 2; i<=4; i++){
	// 	if(tot[i]<tot[best]){
	// 		best = i;
	// 	}
	// }
	// return best;
}

Compilation message (stderr)

artclass.cpp: In member function 'double Photo::dif(Photo)':
artclass.cpp:16:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i<vals.size(); i++){
                  ~^~~~~~~~~~~~

• Subtask 1: 8 / 100