View Compilation Error

0_0_25737472_26535.cpp: In function 'int main()':
0_0_25737472_26535.cpp:117:22: error: cannot convert '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, int> > >::value_type {aka std::pair<long long int, int>}' to 'long long int' in initialization
    long long x = V2[i], sig = V2[i].second, cur = 1;
                      ^
0_0_25737472_26535.cpp:139:29: error: 'cur' was not declared in this scope
      curs = 1LL*t.first%MOD%cur%MOD;
                             ^