Submission #763346

#	Time	Username	Problem	Language	Result	Execution time	Memory
763346		SanguineChameleon	Art Class (IOI13_artclass)	C++17	87 / 100	54 ms	6036 KiB

artclass

#include "artclass.h"
#include <bits/stdc++.h>
using namespace std;

int style(int N, int M, int R[500][500], int G[500][500], int B[500][500]) {
	int sum = 0;
	for (int i = 0; i < N; i++) {
		for (int j = 0; j < M - 1; j++) {
			sum += abs(R[i][j] - R[i][j + 1]);
			sum += abs(G[i][j] - G[i][j + 1]);
			sum += abs(B[i][j] - B[i][j + 1]);
		}
	}
	for (int i = 0; i < N - 1; i++) {
		for (int j = 0; j < M; j++) {
			sum += abs(R[i][j] - R[i + 1][j]);
			sum += abs(G[i][j] - G[i + 1][j]);
			sum += abs(B[i][j] - B[i + 1][j]);
		}
	}
	long double avg = 1.0L * sum / ((N * (M - 1) + (N - 1) * M) * 3);
	if (avg <= 2.5L) {
		return 4;
	}
	else if (avg <= 9.5L) {
		return 1;
	}
	else if (avg <= 19.5L) {
		return 2;
	}
	else {
		return 3;
	}
}

• Subtask 1: 87 / 100