Submission #234573

#	Time	Username	Problem	Language	Result	Execution time	Memory
234573		wet_water	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	Compilation error	0 ms	0 KiB

treasure

#include <iostream>
#include <algorithm>
#include <queue>
#include <string.h>
#include <math.h>
#include <map>
#include <set>
#include <vector>
 
#define MOD 1000000009 
#define MAX_N 105
#define f first
#define s second
 
using namespace std;
 
typedef pair<int, int> ii;
typedef pair<ii, int> pii;
 
int mod_pow(int num, int power)
{
    int test;
    for(test = 1; power; power >>= 1)
    {
        if (power & 1)
            test = (test * num) % MOD;
        num = (num * num) % MOD;
    }
 
    return test;
}

void fastscan(int &number) 
{ 
    //variable to indicate sign of input number 
    bool negative = false; 
    register int c; 
  
    number = 0; 
  
    // extract current character from buffer 
    c = getchar(); 
    if (c=='-') 
    { 
        // number is negative 
        negative = true; 
  
        // extract the next character from the buffer 
        c = getchar(); 
    } 
  
    // Keep on extracting characters if they are integers 
    // i.e ASCII Value lies from '0'(48) to '9' (57) 
    for (; (c>47 && c<58); c=getchar()) 
        number = number *10 + c - 48; 
  
    // if scanned input has a negative sign, negate the 
    // value of the input number 
    if (negative) 
        number *= -1; 
} 

bool cmp(pii a, pii b) {
    return (a.f.s < b.f.s);
}

int ar[MAX_N][MAX_N];
int N, M;

int ask(int a, int b, int c, int d) {
	cout << a << " " << b << " " << c << " " << d << endl;
	cout.flush();

	int ans;
	cin >> ans;
	return (ans);
}

void recurse(int R1, int C1, int R2, int C2, int num) {
	if (num == 0) {
		for (int i = R1; i <= R2; i ++) {
			for (int j = C1; j <= C2; j ++) {
				ar[i][j] = 0;
			}
		}

		return;
	} else if (num == (R2 - R1 + 1) * (C2 - C1 + 1)) {
		for (int i = R1; i <= R2; i ++) {
			for (int j = C1; j <= C2; j ++) {
				ar[i][j] = 1;
			}
		}

		return;
	}

	int r_divide = (R1 + R2) / 2;
	int c_divide = (C1 + C2) / 2;

	int b1 = ask(R1, C1, r_divide, c_divide);
	int b2 = ask(R1, c_divide + 1, r_divide, C2);
	int b3 = ask(r_divide + 1, C1, R2, c_divide);

	recurse(R1, C1, r_divide, c_divide, b1);
	recurse(R1, c_divide + 1, r_divide, C2, b2);
	recurse(r_divide + 1, C1, R2, c_divide, b3);
	recurse(r_divide + 1, c_divide + 1, R2, C2, num - b1 - b2 - b3);
}

void solve(int test_num) {
    cin >> N;
    
	int x = ask(0, 0, N - 1, N - 1);
    recurse(0, 0, N - 1, N - 1, x);
    
    cout << "END" << endl;
    cout.flush();

    for (int i = 0; i < N; i ++) {
		for (int j = 0; j < N; j ++) {
			cout << ar[i][j];
		}

		cout << endl;
		cout.flush();
	} 
	
    return;
}
    
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
 
    int T;
	T = 1;

    for (int i = 0; i < T; i ++) {
//        cout << "Case #" << (i + 1) << ": ";
        solve(i + 1);
    }
 
    return (0);
}

Compilation message (stderr)

/tmp/ccDOpsmM.o: In function `main':
treasure.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc6tRxo9.o:grader.c:(.text.startup+0x0): first defined here
/tmp/cc6tRxo9.o: In function `main':
grader.c:(.text.startup+0x109): undefined reference to `findTreasure(int)'
collect2: error: ld returned 1 exit status