Submission #470563

#	Time	Username	Problem	Language	Result	Execution time	Memory
470563		nicolaalexandra	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	Compilation error	0 ms	0 KiB

treasure

#include <bits/stdc++.h>
#define DIM 110
using namespace std;

int a[DIM][DIM];
int n,i,j;

int query (int x, int y, int x2, int y2){
    cout<<x<<" "<<y<<" "<<x2<<" "<<y2<<endl;
    int ans;
    cin>>ans;
    return ans;
}

void solve (int x, int y, int x2, int y2, int cnt){

    if (x > x2 || y > y2 || !cnt)
        return;

    if (cnt == (x2-x+1) * (y2-y+1)){
        for (int i=x;i<=x2;i++)
            for (int j=y;j<=y2;j++)
                a[i][j] = 1;
        return;
    }

    int midx = (x+x2)>>1, midy = (y+y2)>>1;

    int val1 = query (x,y,midx,midy);
    solve (x,y,midx,midy,val1);

    if (midy+1 <= y2){
        int val2 = query (x,midy+1,midx,y2);
        solve (x,midy+1,midx,y2,val2);
    }
    if (midx+1 <= x2){
        int val3 = query (midx+1,y,x2,midy);
        solve (midx+1,y,x2,midy,val3);
    }
    if (midx+1 <= x2 && midy+1 <= y2){
        int val4 = query (midx+1,midy+1,x2,y2);
        solve (midx+1,midy+1,x2,y2,val4);
    }

}

int main (){

    cin>>n;

    solve (1,1,n,n,query(1,1,n,n));

    cout<<"END\n";
    for (i=1;i<=n;i++,cout<<"\n")
        for (j=1;j<=n;j++)
            cout<<a[i][j];


    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccX5GlLn.o: in function `main':
treasure.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccJRLwVl.o:grader.c:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccJRLwVl.o: in function `main':
grader.c:(.text.startup+0x103): undefined reference to `findTreasure(int)'
collect2: error: ld returned 1 exit status