View Compilation Error

0_0_29760850_2137.cpp:7:2: error: 'floatw' does not name a type
  floatw;
  ^
0_0_29760850_2137.cpp: In function 'void add(int, int, float, int)':
0_0_29760850_2137.cpp:20:10: error: 'struct edge' has no member named 'w'
  e[bian].w=w;
          ^
0_0_29760850_2137.cpp: In function 'void spfa(int, float*)':
0_0_29760850_2137.cpp:43:25: error: 'struct edge' has no member named 'w'
     if(ch[y]>ch[c]+e[i].w)
                         ^
0_0_29760850_2137.cpp:45:23: error: 'struct edge' has no member named 'w'
      ch[y]=ch[c]+e[i].w;
                       ^
0_0_29760850_2137.cpp: In function 'int main()':
0_0_29760850_2137.cpp:151:23: error: 'struct edge' has no member named 'w'
     float g=r+rr+e[i].w;
                       ^