Submission #245128

#	Time	Username	Problem	Language	Result	Execution time	Memory
245128		TadijaSebez	Treasure (different grader from official contest) (CEOI13_treasure2)	C++11	Compilation error	0 ms	0 KiB

treasure

#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
map<array<int,4>,int> was;
int cnt=0,n;
int Ask(int xl,int yl,int xr,int yr){
	if(was.count({{xl,yl,xr,yr}}))return was[{xl,yl,xr,yr}];
	printf("%i %i %i %i\n",xl,yl,xr,yr);
	fflush(stdout);
	int b;scanf("%i",&b);
	was[{xl,yl,xr,yr}]=b;
	return b;
}
const int N=105;
int sum[N][N],ans[N][N];
int main(){
	scanf("%i",&n);
	int m=n/2;
	for(int i=m+1+1;i<=n;i++)
		for(int j=m+1+1;j<=n;j++)
			ans[i][j]=Ask(1,1,i,j)-Ask(1,1,i-1,j)-Ask(1,1,i,j-1)+Ask(1,1,i-1,j-1);
	for(int i=m+1+1;i<=n;i++)
		for(int j=1;j<=m;j++)
			ans[i][j]=Ask(1,j,i,n)-Ask(1,j+1,i,n)-Ask(1,j,i-1,n)+Ask(1,j+1,i-1,n);
	for(int i=1;i<=m;i++)
		for(int j=m+1+1;j<=n;j++)
			ans[i][j]=Ask(i,1,n,j)-Ask(i+1,1,n,j)-Ask(i,1,n,j-1)+Ask(i+1,1,n,j-1);
	for(int i=1;i<=m;i++)
		for(int j=1;j<=m;j++)
			ans[i][j]=Ask(i,j,n,n)-Ask(i+1,j,n,n)-Ask(i,j+1,n,n)+Ask(i+1,j+1,n,n);
	for(int i=1;i<=m;i++){
		ans[i][m+1]=Ask(i,1,n,n)-Ask(i+1,1,n,n);
		for(int j=1;j<=n;j++)if(j!=m+1)ans[i][m+1]-=ans[i][j];
	}
	for(int i=n;i>m+1;i--){
		ans[i][m+1]=Ask(1,1,i,n)-Ask(1,1,i-1,n);
		for(int j=1;j<=n;j++)if(j!=m+1)ans[i][m+1]-=ans[i][j];
	}
	for(int j=1;j<=m;j++){
		ans[m+1][j]=Ask(1,j,n,n)-Ask(1,j+1,n,n);
		for(int i=1;i<=n;i++)if(i!=m+1)ans[m+1][j]-=ans[i][j];
	}
	for(int j=n;j>m+1;j--){
		ans[m+1][j]=Ask(1,1,n,j)-Ask(1,1,n,j-1);
		for(int i=1;i<=n;i++)if(i!=m+1)ans[m+1][j]-=ans[i][j];
	}
	ans[m+1][m+1]=Ask(1,1,n,n);
	for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)if(i!=m+1||j!=m+1)ans[m+1][m+1]-=ans[i][j];
	printf("END\n");
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++)printf("%i",ans[i][j]);
		printf("\n");
	}
	fflush(stdout);
	return 0;
}

Compilation message (stderr)

treasure.cpp: In function 'int Ask(int, int, int, int)':
treasure.cpp:10:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int b;scanf("%i",&b);
        ~~~~~^~~~~~~~~
treasure.cpp: In function 'int main()':
treasure.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i",&n);
  ~~~~~^~~~~~~~~
/tmp/ccOVjJFC.o: In function `main':
treasure.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccJ4sra6.o:grader.c:(.text.startup+0x0): first defined here
/tmp/ccJ4sra6.o: In function `main':
grader.c:(.text.startup+0x109): undefined reference to `findTreasure(int)'
collect2: error: ld returned 1 exit status