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为什么wa?我自己造的变态数据都过了啊...各种特殊情况都考虑到了啊..还有疏漏?

Posted by dong930 at 2007-08-08 16:41:07 on Problem 2260
In Reply To:为什么wa? Posted by:dong930 at 2007-08-08 16:40:06

#include<stdio.h>
#include<string.h>
main()
{
 int a[200][200];
 int r[20],c[20],i,j,flagr,flagc;
 int n;
 while(scanf("%d",&n) && n)
  {
    int lr,lc;
    memset(r,0,sizeof r);
    memset(c,0,sizeof c);
    flagr=flagc=0;
    for(i=1;i<=n;i++)
     for(j=1;j<=n;j++)
       {
         scanf("%d",&a[i][j]);
         r[i]+=a[i][j];
         c[j]+=a[i][j];                
       }
    for(i=1;i<=n;i++)
     {
        if(r[i]%2==1){flagr++;lr=i;}
        if(c[i]%2==1){flagc++;lc=i;}                
     }
     if(flagr>1 || flagc>1 || (flagr==1 && flagc==0) || (flagc==1 && flagr==0))
      {printf("Corrupt\n"); continue;}
     if(flagc==0 && flagr==0)
      {printf("OK\n");continue;}
     printf("Change bit (%d,%d)\n",lr,lc);                                            
  }      
}

Followed by:

Re:那事实证明你造的数据不够bt (885) Thank_you 2007-08-08 23:32:41

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