View Compilation Error

0_0_33290457_10465.cpp:10:7: error: 'll' does not name a type
 const ll inf =4e12+2;
       ^
0_0_33290457_10465.cpp:18:1: error: 'll' does not name a type
 ll in[maxn];
 ^
0_0_33290457_10465.cpp: In function 'int zhuliu(int, int, int)':
0_0_33290457_10465.cpp:28:13: error: 'in' was not declared in this scope
             in[i] = INF;
             ^
0_0_33290457_10465.cpp:28:21: error: 'INF' was not declared in this scope
             in[i] = INF;
                     ^
0_0_33290457_10465.cpp:32:57: error: 'in' was not declared in this scope
             if(edge[i].u != edge[i].v && edge[i].cost < in[edge[i].v])
                                                         ^
0_0_33290457_10465.cpp:42:9: error: 'in' was not declared in this scope
         in[root] = 0;
         ^
0_0_33290457_10465.cpp:46:23: error: 'sum' was not declared in this scope
             if(res>=2*sum)return -1;
                       ^