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求解释。#include<stdio.h>
#include<string.h>
int main()
{
int s[105];
int i,n,m,k,a,b,temp;
char c;
while(scanf("%d %d %d",&n,&m,&k),n+m+k>0)
{
memset(s,0,sizeof(s));
for(i=0;i<k;i++)
{
getchar();
scanf("%c",&c);
if(c=='g')
{
scanf("%d",&a);
s[a]++;
}
else if(c=='e')
{
scanf("%d",&a);
s[a]=0;
}
else if(c=='s')
{
scanf("%d %d",&a,&b);
temp=s[a];
s[a]=s[b];
s[b]=temp;
}
}
for(i=1;i<n;i++)
printf("%d ",s[i]);
printf("%d\n",s[n]);
}
return 0;
}
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