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求助输入的时候我是每次输入两组就结束,还是用while(scanf()!=EOF)呢?
#include<stdio.h>
int main()
{
int M,N,i,a1,b1,max[501],t;
long a[500],b[500],m;
scanf("%d",&M);
for(i=0;i<M;i++)
scanf("%ld",&a[i]);
scanf("%d",&N);
for(i=0;i<N;i++)
scanf("%ld",&b[i]);
t=0;
a1=M-1;
b1=N-1;
m=0;
while(1)
{
if(a[a1]>b[b1])
{
if(m>a[a1]||t==0)
{
m=a[a1];
for(i=b1-1;i>=0;i--)
if(a[a1]==b[i])
break;
if(i>=0)
{
t++;
max[t]=a1;
a1--;
b1=i-1;
}
else
a1--;
}
else
a1--;
}
else
if(a[a1]<b[b1])
{
if(m>b[b1]||t==0)
{
m=b[b1];
for(i=a1-1;i>=0;i--)
if(a[i]==b[b1])
break;
if(i>=0)
{
t++;
max[t]=i;
a1=i-1;
b1--;
}
else
b1--;
}
else
b1--;
}
else
{
if(m>a[a1]||t==0)
{
m=a[a1];
t++;
max[t]=a1;
}
a1--;
b1--;
}
if(a1==-1||b1==-1)
break;
}
printf("%d\n",t);
if(t==0)
;
else
{
for(i=t;i>1;i--)
printf("%ld ",a[max[i]]);
printf("%ld\n",a[max[1]]);
}
return 0;
}
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