统计 - RQNOJ

编译失败，当前编译语言：C++

详情如下

/tmp/1248700.cpp:7:1: error: ‘__int64’ does not name a type
 __int64 ans,n,t,i,j,k,ai,bi,wi,f[15001],tot[15001];
 ^
/tmp/1248700.cpp: In function ‘int find(int)’:
/tmp/1248700.cpp:17:9: error: ‘f’ was not declared in this scope
     if (f[x]==x) return x;
         ^
/tmp/1248700.cpp:18:5: error: ‘f’ was not declared in this scope
     f[x]=find(f[x]);
     ^
/tmp/1248700.cpp: In function ‘void Union(int, int)’:
/tmp/1248700.cpp:24:9: error: ‘tot’ was not declared in this scope
     if (tot[fa]>tot[fb])
         ^
/tmp/1248700.cpp:26:25: error: ‘f’ was not declared in this scope
                         f[fb]=fa;
                         ^
/tmp/1248700.cpp:31:10: error: ‘f’ was not declared in this scope
          f[fa]=fb;
          ^
/tmp/1248700.cpp: In function ‘int main()’:
/tmp/1248700.cpp:37:17: error: ‘t’ was not declared in this scope
     scanf("%d",&t);
                 ^
/tmp/1248700.cpp:38:10: error: ‘i’ was not declared in this scope
     for (i=1;i<=t;++i)
          ^
/tmp/1248700.cpp:40:21: error: ‘n’ was not declared in this scope
         scanf("%d",&n);
                     ^
/tmp/1248700.cpp:41:9: error: ‘ans’ was not declared in this scope
         ans=0;
         ^
/tmp/1248700.cpp:42:14: error: ‘j’ was not declared in this scope
         for (j=1;j<=n;++j)
              ^
/tmp/1248700.cpp:44:13: error: ‘f’ was not declared in this scope
             f[j]=j;
             ^
/tmp/1248700.cpp:45:13: error: ‘tot’ was not declared in this scope
             tot[j]=1;
             ^
/tmp/1248700.cpp:52:19: error: ‘tot’ was not declared in this scope
             ans+=(tot[fa]*tot[fb]-1)*(tem+1)+tem;
                   ^
/tmp/1248700.cpp:52:31: error: ‘fb’ was not declared in this scope
             ans+=(tot[fa]*tot[fb]-1)*(tem+1)+tem;
                               ^
/tmp/1248700.cpp:52:39: error: ‘tem’ was not declared in this scope
             ans+=(tot[fa]*tot[fb]-1)*(tem+1)+tem;
                                       ^......