제출 #1313895

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1313895		kawhiet	미술 수업 (IOI13_artclass)	C++20	74 / 100	42 ms	6232 KiB

artclass

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

int n, m;
vector<vector<int>> r, g, b;

double get(double tot, double cnt) {
    return 100.0 / tot * cnt;
}

bool field() {
    int bad = 0;
    for (int i = 0; i < n; i++) {
        int cnt = 1;
        vector<int> v;
        for (int j = 1; j < m; j++) {
            int d1 = abs(r[i][j] - r[i][j - 1]);
            int d2 = abs(g[i][j] - g[i][j - 1]);
            int d3 = abs(b[i][j] - b[i][j - 1]);
            if (max({d1, d2, d3}) > m / 24) {
                v.push_back(cnt);
                cnt = 1;
            } else {
                cnt++;
            }
        }
        v.push_back(cnt);
        bool ok = 1;
        int sz = v.size();
        int l = 0, r = 0;
        int pos = -1, mx = ranges::max(v);
        for (int i = 0; i < sz; i++) {
            if (v[i] == mx) {
                l = i;
                break;
            }
        }
        for (int i = sz - 1; i >= 0; i--) {
            if (v[i] == mx) {
                r = i;
                break;
            }
        }
        pos = (l + r) / 2;
        int left = 0;
        for (int i = 0; i < pos; i++) {
            left += v[i];
        }
        int right = 0;
        for (int i = pos + 1; i < sz; i++) {
            right += v[i];
        }
        // for (int i = 0; i < sz / 4; i++) {
        //     if (v[i] == mx) ok = 0;
        //     if (v[sz - i - 1] == mx) ok = 0;
        // }
        if (get(m, mx) < 40 || abs(right - left) > 80) {
            i += 4;
            bad++;
        }
    }
    return bad <= n / 30;
}

bool action() {
    return false;
}

int landscape() {
    int cnt = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            int x = r[i][j], y = g[i][j], z = b[i][j];
            if (z == min({x, y, z}) && double(y) / double(z) >= 1.5) {
                cnt++;
            }
        }
    }
    double p = 100.0 / double(n * m) * double(cnt);
    return p >= 40;
}

bool modern() {
    int cnt = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            int x = r[i][j], y = b[i][j], z = g[i][j];
            int mn = min({x, y, z});
            int mx = max({x, y, z});
            if (min({x, y, z}) >= 180 && mx - mn <= 30) {
                cnt++;
            }
        }
    }
    double p = get(n * m, cnt);
    return p >= 18;
}

int style(int _n, int _m, int _r[500][500], int _g[500][500], int _b[500][500]) {
    n = _n; m = _m;
    r.assign(n, vector<int>(m, 0));
    b.assign(n, vector<int>(m, 0));
    g.assign(n, vector<int>(m, 0));
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            r[i][j] = _r[i][j];
            g[i][j] = _g[i][j];
            b[i][j] = _b[i][j];
        }
    }
    if (field()) return 4;
    if (modern()) return 1;
    if (landscape()) return 2;
    return 3;
}

• Subtask 1: 73.9706 / 100