View Compilation Error

0_0_36890525_9299.cpp: In function 'int main()':
0_0_36890525_9299.cpp:20:30: error: template argument 2 is invalid
         map<int, vector<pii> v;
                              ^
0_0_36890525_9299.cpp:20:30: error: template argument 4 is invalid
0_0_36890525_9299.cpp:73:13: error: 'v' was not declared in this scope
             v[(sum[i] % ro + ro) % ro].push_back(tii);
             ^
0_0_36890525_9299.cpp:75:22: error: 'v' was not declared in this scope
         for(auto &it:v){
                      ^
0_0_36890525_9299.cpp:88:35: error: 'v' was not declared in this scope
             auto it = upper_bound(v[x].begin(),v[x].end(),tmp);
                                   ^