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谁给看一下,我的代码哪错了,测试数据是正确的,可是总过不了#include <iostream>
#include <algorithm>
using namespace std;
char a[27][27];
int b[26];
int main()
{
//freopen("in.txt","r",stdin);
int n,i,j,p,q,min;
while(scanf("%d",&n)&&n!=0)
{
memset(a,0,sizeof(a));
for(i=0;i<n;i++)
scanf("%s",a[i]);
for(i=0;i<26;i++)
b[i]=1;
for(i=0;i<n;i++)
{
for(j=2;j<=n&&a[i][j]!=0;j++)
{
p=a[i][j]-65;
q=a[0][j]-65;
if(a[i][j]<a[i][0])
continue;
if(b[p]==b[q])
b[p]++;
}
}
min=*max_element(b,b+sizeof(b)/sizeof(b[0]));
if(min==1)
printf("%d channel needed.\n",min);
else
printf("%d channels needed.\n",min);
}
return 0;
}
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