Submission #383509

#	Time	Username	Problem	Language	Result	Execution time	Memory
383509		ParsaAlizadeh	Art Class (IOI13_artclass)	C++17	27 / 100	89 ms	4080 KiB

artclass

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

typedef long long       ll;
typedef pair<ll, ll>    pll;
typedef pair<int, int>  pii;

#define all(x)          x.begin(), x.end()
#define kill(x)         return cout << x << endl, 0
#define X               first
#define Y               second
#define endl            '\n'
#define debug(x)        #x << " : " << x << " / "

constexpr ll pw(ll a, ll b, ll mod) {
    return (!b    ? 1 :
            b & 1 ? a * pw(a * a % mod, b / 2, mod) % mod :
                    pw(a * a % mod, b / 2, mod));
}

constexpr int N   = 1e5 + 10;

struct HSV {
    double h, s, v;

    HSV(double r, double g, double b) {
        r /= 255; g /= 255; b /= 255;
        double cmax = max({r, g, b}), cmin = min({r ,g, b}), d = cmax - cmin;
        v = cmax * 100;
        h = (
            cmax == cmin ? 0 :
            cmax == r ? (double) 60 * fmod((g - b) / d, 6) : 
            cmax == g ? (double) 60 * ((b - r) / d + 2) :
            (double) 60 * ((r - g) / d + 4)
        );
        s = (
            cmax == 0 ? 0 :
            d * 100 / cmax
        );
    }
};

double twh, tgr, tbl, trd;

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
    for (int i = 0; i < H; i++) {
        for (int j = 0; j < W; j++) {
            HSV cur = {R[i][j], G[i][j], B[i][j]};
            if (35 <= cur.h && cur.h <= 200 && cur.s >= 30 && cur.v >= 30)
                tgr++;
            if ((cur.h <= 25 || 340 <= cur.h) && cur.s >= 30 && cur.v >= 30)
                trd++;
            if (cur.v <= 30)
                tbl++;
            if (cur.s <= 30)
                twh++;
        }
    }
    twh = twh * 100 / W / H;
    tgr = tgr * 100 / W / H;
    tbl = tbl * 100 / W / H;
    trd = trd * 100 / W / H;
    if (trd >= 19)
        return 4;
    if (tgr >= 40)
        return 2;
    if (tbl >= 21)
        return 3;
    return 1;
    cout << setprecision(2) << fixed;
    cout << debug(tgr) << debug(trd) << debug(tbl) << debug(twh) << endl;
    return 1;
}

Compilation message (stderr)

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:49:30: warning: narrowing conversion of '(*(R + ((sizetype)(((long unsigned int)i) * 2000))))[j]' from 'int' to 'double' [-Wnarrowing]
   49 |             HSV cur = {R[i][j], G[i][j], B[i][j]};
      |                        ~~~~~~^
artclass.cpp:49:39: warning: narrowing conversion of '(*(G + ((sizetype)(((long unsigned int)i) * 2000))))[j]' from 'int' to 'double' [-Wnarrowing]
   49 |             HSV cur = {R[i][j], G[i][j], B[i][j]};
      |                                 ~~~~~~^
artclass.cpp:49:48: warning: narrowing conversion of '(*(B + ((sizetype)(((long unsigned int)i) * 2000))))[j]' from 'int' to 'double' [-Wnarrowing]
   49 |             HSV cur = {R[i][j], G[i][j], B[i][j]};
      |                                          ~~~~~~^

• Subtask 1: 27 / 100