Submission #277107

#	Time	Username	Problem	Language	Result	Execution time	Memory
277107		Marlov	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	0 / 100	2 ms	384 KiB

treasure

/*
Code by @marlov       
*/
#include "treasure.h"
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <utility>
#include <set>
#include <unordered_set>
#include <map>
#include <unordered_map>
#include <stack>
#include <queue>
#include <iterator>
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;

#define maxN 105

int N;
int grid[maxN][maxN];

void bs(int x1,int y1,int x2,int y2){
    if(x1==x2||y1==y2) return;
    cout<<x1+1<<" "<<y1+1<<" "<<x2<<" "<<y2<<endl;
    int num=0;
    cin>>num;
    if(num==0) return;
    if(x1+1==x2&&y1+1==y2){
        grid[x1][y1]=1;
        return;    
    }
    bs(x1,y1,(x1+x2)/2,(y1+y2)/2);
    bs((x1+x2)/2,y1,x2,(y1+y2)/2);
    bs(x1,(y1+y2)/2,(x1+x2)/2,y2);
    bs((x1+x2)/2,(y1+y2)/2,x2,y2);

}

void findTreasure(int gN){
//	ios_base::sync_with_stdio(0); cin.tie(0);
    N=gN;
    bs(0,0,N,N);
    cout<<"END"<<endl;
    for(int i=0;i<N;i++){
        for(int j=0;j<N;j++){
            cout<<grid[j][i]<<" ";
        }
        cout<<endl;
    }
}

/* stuff you should look for
	* int overflow, array bounds
	* special cases (n=1,n=0?)
	* do smth instead of nothing and stay organized
*/

• Subtask 1: 0 / 100