Submission #753781

#	Time	Username	Problem	Language	Result	Execution time	Memory
753781		minhcool	Art Class (IOI13_artclass)	C++17	0 / 100	61 ms	6124 KiB

artclass

#include "artclass.h"
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;

#define fi first
#define se second
#define pb push_back
#define mp make_pair

typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;

const int N = 3e5 + 5;

const int oo = 1e18 + 7, mod = 1e9 + 7;

mt19937 rng(1);

int rnd(int l, int r){
	int temp = rng() % (r - l + 1);
	return abs(temp) + l;
}

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]){
	int cnt = 0;
	for(int i = 0; i < H; i++){
		for(int j = 0; j < W; j++){
			if(i < H){
				int sum = abs(R[i][j] - R[i + 1][j]) + abs(G[i][j] - G[i + 1][j]) + abs(B[i][j] - B[i + 1][j]);
				if(sum <= 100) cnt++;
			}
			if(i < W){
				int sum = abs(R[i][j] - R[i][j + 1]) + abs(G[i][j] - G[i][j + 1]) + abs(B[i][j] - B[i][j + 1]);
				if(sum <= 100) cnt++;
			}
		}
	}	
	if(cnt * 10 <= H * W) return 4;
	else return rnd(1, 3);
}

Compilation message (stderr)

artclass.cpp:18:21: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   18 | const int oo = 1e18 + 7, mod = 1e9 + 7;
      |                ~~~~~^~~

• Subtask 1: 0 / 100