Submission #43491

#	Time	Username	Problem	Language	Result	Execution time	Memory
43491		Hassoony	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	Compilation error	0 ms	0 KiB

treasure

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
const int MX=102;
int grid[MX][MX],n;
bool is[MX][MX][MX][MX];
void calc(int x1,int y1,int x2,int y2,int how){
    if(!how)return;
    if(x1==x2&&y1==y2){
        if(how==1){
            grid[x1][y1]=1;
        }
        return;
    }
    if(x1==x2){
        int mid=(y1+y2)/2;
        if(!is[x1][y1][x2][mid]){
            cout<<x1<<" "<<y1<<" "<<x2<<" "<<mid<<endl;
            int x;
            scanf("%d",&x);
            is[x1][y1][x2][mid]=1;
            calc(x1,y1,x2,mid,x);
        }
        if(mid+1>y2)return;
        if(!is[x1][mid+1][x2][y2]){
            cout<<x1<<" "<<mid+1<<" "<<x2<<" "<<y2<<endl;
            int x;scanf("%d",&x);
            is[x1][mid+1][x2][y2]=1;
            calc(x1,mid+1,x2,y2,x);
        }
        return;
    }
    int mid=(x1+x2)/2;
    if(!is[x1][y1][mid][y2]){
        cout<<x1<<" "<<y1<<" "<<mid<<" "<<y2<<endl;
        int x;scanf("%d",&x);
        is[x1][y1][mid][y2]=1;
        calc(x1,y1,mid,x2,x);
    }
    if(mid+1>x2)return;
    if(!is[mid+1][y1][x2][y2]){
        cout<<mid+1<<" "<<y1<<" "<<x2<<" "<<y2<<endl;
        int x;scanf("%d",&x);
        is[mid+1][y1][x2][y2]=1;
        calc(mid+1,y1,x2,y2,x);
    }
}
int main(){
    scanf("%d",&n);
    cout<<1<<" "<<1<<" "<<n<<" "<<n<<endl;
    int x;scanf("%d",&x);
    calc(1,1,n,n,x);
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cout<<grid[i][j];
        }
        puts("");
    }
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:63:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         my_assert(strlen(A[i]+1) == N, "each line of the map must contain N zeroes or ones (before loop)");
                                  ^
treasure.cpp: In function 'void calc(int, int, int, int, int)':
treasure.cpp:21:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&x);
                           ^
treasure.cpp:28:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             int x;scanf("%d",&x);
                                 ^
treasure.cpp:37:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int x;scanf("%d",&x);
                             ^
treasure.cpp:44:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         int x;scanf("%d",&x);
                             ^
treasure.cpp: In function 'int main()':
treasure.cpp:50:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
treasure.cpp:52:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int x;scanf("%d",&x);
                         ^
/tmp/ccOK0SU3.o: In function `main':
treasure.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccqmEwu6.o:grader.c:(.text.startup+0x0): first defined here
/tmp/ccqmEwu6.o: In function `main':
grader.c:(.text.startup+0x107): undefined reference to `findTreasure(int)'
collect2: error: ld returned 1 exit status