Submission #4574

#	Time	Username	Problem	Language	Result	Execution time	Memory
4574		cki86201	Treasure (different grader from official contest) (CEOI13_treasure2)	C++98	100 / 100	0 ms	1228 KiB

treasure

#include "treasure.h"

int T[105][105];

void solve(int x,int y,int N)
{
	int m=N>>1;
	if(x>m&&y>m)T[x][y]=countTreasure(1,1,x,y);
	if(x>m&&y<=m)T[x][y]=T[x][N]-countTreasure(1,y+1,x,N);
	if(x<=m&&y>m)T[x][y]=T[N][y]-countTreasure(x+1,1,N,y);
	if(x<=m&&y<=m)T[x][y]=T[x][N]+T[N][y]+countTreasure(x+1,y+1,N,N)-T[N][N];
}

void findTreasure (int N) {
	int i,j;
	for(i=N;i;i--)for(j=N;j;j--)solve(i,j,N);
	for(i=1;i<=N;i++)for(j=1;j<=N;j++)if(T[i][j]-T[i-1][j]-T[i][j-1]+T[i-1][j-1])Report(i,j);
}

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)");
                                  ^

• Subtask 1: 100 / 100