제출 #557217

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
557217		emuyumi	미술 수업 (IOI13_artclass)	C++17	100 / 100	76 ms	4596 KiB

artclass

#include "artclass.h"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

ll adj_diff(int H, int W, int R[500][500], int G[500][500], int B[500][500]){
    ll ret = 0;
    int lr = 0, lg = 0, lb = 0;
    for (int i = 0; i < H; ++i){
        for (int j = 0; j < W; ++j){
            ll cur = abs(R[i][j] - lr) + abs(G[i][j] - lg) + abs(B[i][j] - lb);
            ret += cur;
            lr = R[i][j], lg = G[i][j], lb = B[i][j];
        }
    }
    return ret / H / W;
}

ll total_color(int H, int W, int R[500][500], int G[500][500], int B[500][500]){
    ll ret = 0;
    for (int i = 0; i < H; ++i){
        for (int j = 0; j < W; ++j){
            ret += (R[i][j] + G[i][j] + B[i][j]) * (R[i][j] + G[i][j] + B[i][j]);
        }
    }
    return ret / H / W;
}

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {

    ll diff = adj_diff(H, W, R, G, B);
    ll color = total_color(H, W, R, G, B);

    if (diff <= 8) return 4;
    if (diff >= 54) return 3;
    if (color >= 150'000) return 1;
    return 2;
}

• Subtask 1: 100 / 100