Submission #1174473

#	Time	Username	Problem	Language	Result	Execution time	Memory
1174473		Lithanium	Art Class (IOI13_artclass)	C++20	Compilation error	0 ms	0 KiB

artclass

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

int dt[505][505];

int getR(int RGB) { return (RGB >> 16) & 0xFF; }
int getG(int RGB) { return (RGB >> 8) & 0xFF; }
int getB(int RGB) { return RGB & 0xFF; }

int diff(int v1, int v2) {
    return abs(getR(v1) - getR(v2)) + abs(getG(v1) - getG(v2)) + abs(getB(v1) - getB(v2));
}

int style(int R, int C, int r[500][500], g[500][500], b[500][500]) {
    double stuff = 0;
    for (int i = 1; i <= R; i ++) {
        for (int j = 1; j <= C; j ++) {
            dt[i][j] = ((r[i-1][j-1] << 8) + g[i-1][j-1]) << 8 + b[i-1][j-1];
            if (i > 1) stuff += diff(dt[i][j], dt[i-1][j]);
            if (j > 1) stuff += diff(dt[i][j], dt[i][j-1]);
        }
    }
    stuff /= (double)R*C - R - C + 1;
    if (stuff < 20) return 4;
    else if (stuff < 46) return 1;
    else if (stuff < 105) return 2;
    else return 3;
    // cout << test << ": " << stuff << "\n";
}

Compilation message (stderr)

artclass.cpp:15:42: error: 'g' has not been declared
   15 | int style(int R, int C, int r[500][500], g[500][500], b[500][500]) {
      |                                          ^
artclass.cpp:15:55: error: 'b' has not been declared
   15 | int style(int R, int C, int r[500][500], g[500][500], b[500][500]) {
      |                                                       ^
artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:19:46: error: 'g' was not declared in this scope
   19 |             dt[i][j] = ((r[i-1][j-1] << 8) + g[i-1][j-1]) << 8 + b[i-1][j-1];
      |                                              ^
artclass.cpp:19:66: error: 'b' was not declared in this scope
   19 |             dt[i][j] = ((r[i-1][j-1] << 8) + g[i-1][j-1]) << 8 + b[i-1][j-1];
      |                                                                  ^