编译错误：[Error] 'int' is not a class, struct, or union type
帮忙看一下这个代码为什么会给出这个编译错误：165 53 D:\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64-mingw32\4.9.2\include\c++\bits\stl_iterator_base_types.h [Error] 'int' is not a class, struct, or union type
程序代码：#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<string>
#include<cctype>
#include<sstream>
#include<cmath>
#include<algorithm>
#include<queue>
#include<vector>
#include<set>
#include<map>
#include<cassert>
#include<functional>
using namespace std;
int n,f[210];
struct node1{
int x;
int y;
}point[210];
struct node2{
int p1;
int p2;
double length;
}edge[40005];
double distance(int i0,int j0){
double ans;
ans=sqrt((point[i0].x-point[j0].x)*(point[i0].x-point[j0].x)+(point[i0].y-point[j0].y)*(point[i0].y-point[j0].y));
return ans;
}
int find(int number){
if(f[number]==number) return number;
return f[number]=find(f[number]);
}
void join(int n1,int n2){
if(find(n1)!=find(n2)){
f[n1]=f[n2];
}
}
bool cmp(node2 e1,node2 e2){
return e1.length<e2.length;
}
int main(void){
int i,j,k,cas=0;
double ans;
while(scanf("%d",&n)!=EOF && n){
k=1;
for(i=1;i<=n;i++){
scanf("%d %d",&point[i].x,&point[i].y);
for(j=1;j<i;j++){
edge[k].p1=i;
edge[k].p2=j;
edge[k].length=distance(i,j);
}
}
getchar();
sort(edge+1,edge+k,cmp);
for(i=1;i<=n;i++) f[i]=i;
for(i=1;i<k;i++){
join(edge[i].p1,edge[i].p2);
ans=edge[i].length;
if(find[1]==find[2]) break;
}
cas++;
printf("Scenario #%d\n",cas);
printf("Frog Distance = %.3f\n\n",ans);
}
return 0;
}
