But my code is still WA, does someone know my mistake?
Code: Select all
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define MAX 150
int n,field[MAX][MAX],flag[MAX][MAX],tot;
void cek(int i,int j,int k)
{
if(field[i][j]==k)
{
if(flag[i][j]==0)
{
tot++; flag[i][j]=1;
}
if(i>0&&flag[i-1][j]==0) cek(i-1,j,k);
if(i<n-1&&flag[i+1][j]==0) cek(i+1,j,k);
if(j>0&&flag[i][j-1]==0) cek(i,j-1,k);
if(j<n-1&&flag[i][j+1]==0) cek(i,j+1,k);
}
}
int main()
{
int i,j,k,jum[MAX],a[MAX],b[MAX],bad;
char line[1000],*p;
while(gets(line))
{
n=atoi(line);
if(!n) break;
for(i=0;i<n;i++)
for(j=0;j<n;j++) { field[i][j]=flag[i][j]=0; }
for(k=1;k<n;k++)
{
jum[k-1]=0;
gets(line);
p=strtok(line," "); i=atoi(p);
p=strtok(NULL," "); j=atoi(p);
a[k-1]=i-1;
b[k-1]=j-1;
if(i&&j) { field[i-1][j-1]=k; jum[k-1]++; }
while((p=strtok(NULL," "))!=NULL)
{
i=atoi(p); p=strtok(NULL," "); j=atoi(p);
if(i&&j) { field[i-1][j-1]=k; jum[k-1]++; }
}
}
bad=0;
for(i=0;i<n-1;i++)
{
tot=0;
cek(a[i],b[i],i+1);
if(tot!=jum[i]) { bad=1; break; }
}
if(bad) printf("wrong\n");
else printf("good\n");
}
return 0;
}