View Compilation Error

0_0_30840324_20183.cpp: In function 'int main()':
0_0_30840324_20183.cpp:35:6: error: 'class std::vector<int>' has no member named 'pu'
    r.pu
      ^
0_0_30840324_20183.cpp:35:6: error: expected '}' at end of input
0_0_30840324_20183.cpp:35:6: error: expected '}' at end of input
0_0_30840324_20183.cpp:35:6: error: expected '}' at end of input