Submission #282855

#	Time	Username	Problem	Language	Result	Execution time	Memory
282855		muhammad_hokimiyon	Vision Program (IOI19_vision)	C++14	33 / 100	977 ms	2668 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>

using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int dist( int x1 , int y1 , int x2 , int y2 )
{
    return abs(x1 - x2) + abs(y1 - y2);
}

void construct_network(int H, int W, int K)
{
    int n = H;
    int m = W;
    vector < pair < int , int > > ask;
	for( int i = 0; i < n; i++ ){
        for( int j = 0; j < m; j++ ){
            for( int h = i; h < n; h++ ){
                for( int g = 0; g < m; g++ ){
                    int x = dist( i , j , h , g );
                    if( x == K ){
                        ask.push_back({ i * m + j , h * m + g });
                    }
                }
            }
        }
	}
	vector < int > res;
	int cur = n * m;
	vector < int > used((int)ask.size() + 1 , 0);
	for( int i = 1; i <= min(9999 , (int)ask.size()); i++ ){
        int y = rng() % (int)ask.size();
        y += (int)ask.size();
        y %= (int)ask.size();
        if( used[y] ){
            i -= 1;
            continue;
        }
        auto x = ask[y];
        used[y] = 1;
	    vector < int > g;
        g.push_back(x.first);
        g.push_back(x.second);
        res.push_back( add_and( g ) );
	}
    vector < int > g;
    for( int i = cur; i < cur + (int)res.size(); i++ )g.push_back(i);
	int ans = add_or( g );
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:50:6: warning: unused variable 'ans' [-Wunused-variable]
   50 |  int ans = add_or( g );
      |      ^~~

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 12 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19