/in/P4.cpp: In function 'int main()':
/in/P4.cpp:28:23: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
     for (int i = 0; i < numbers.size(); ++i) {
                     ~~^~~~~~~~~~~~~~~~
/in/P4.cpp:29:14: error: 'pow' was not declared in this scope
         k += pow(numbers[i],5);
              ^~~
/in/P4.cpp:29:14: note: suggested alternative: 'putw'
         k += pow(numbers[i],5);
              ^~~
              putw
/in/P4.cpp:35:22: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
     for (int i = 0; i<numbers.size();i++) {
                     ~^~~~~~~~~~~~~~~
/in/P4.cpp:48:27: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
         for (int i = 0; i < evenNumbers.size(); ++i) {
                         ~~^~~~~~~~~~~~~~~~~~~~
/in/P4.cpp:51:27: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
         for (int i = 0; i < oddNumbers.size(); ++i) {
                         ~~^~~~~~~~~~~~~~~~~~~
/in/P4.cpp:56:27: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
         for (int i = 0; i < oddNumbers.size(); ++i) {
                         ~~^~~~~~~~~~~~~~~~~~~
/in/P4.cpp:59:27: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
         for (int i = 0; i < evenNumbers.size(); ++i) {
                         ~~^~~~~~~~~~~~~~~~~~~~
/in/P4.cpp:34:9: error: unused variable 'len' [-Werror=unused-variable]
     int len = numbers.size();
         ^~~
cc1plus: all warnings being treated as errors