View Compilation Error

0_0_9328953_28776.cpp:6: error: `>>' should be `> >' within a nested template argument list
0_0_9328953_28776.cpp: In function `std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > > ngto(long int, int&)':
0_0_9328953_28776.cpp:8: error: `>>' should be `> >' within a nested template argument list
0_0_9328953_28776.cpp: In function `int main()':
0_0_9328953_28776.cpp:34: error: `>>' should be `> >' within a nested template argument list