View Compilation Error

0_0_38583077_23588.cpp:5:1: error: 'vector' does not name a type; did you mean 'perror'?
 vector<int> v[100010];
 ^~~~~~
 perror
0_0_38583077_23588.cpp: In function 'void solve()':
0_0_38583077_23588.cpp:75:29: error: 'v' was not declared in this scope
     for(int i=1;i<=n;i++)   v[i].clear();
                             ^
0_0_38583077_23588.cpp:79:9: error: 'v' was not declared in this scope
         v[x].push_back(y);
         ^
0_0_38583077_23588.cpp:83:9: error: 'v' was not declared in this scope
         v[i].push_back(0),v[i].push_back(m+1);
         ^
0_0_38583077_23588.cpp:91:18: error: 'r' was not declared in this scope
             if(l>r) continue;
                  ^
0_0_38583077_23588.cpp:92:31: error: 'r' was not declared in this scope
             int t=ask(0,1,m,l,r);
                               ^