icc.cpp: In function 'void run(int)':
icc.cpp:27:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | for(int i = 0; i < lf.size(); i ++) xl[i] = lf[i];
| ~~^~~~~~~~~~~
icc.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | for(int i = 0; i < rg.size(); i ++) xr[i] = rg[i];
| ~~^~~~~~~~~~~
icc.cpp:38:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | for(int i = 0; i < lf.size(); i ++) xl[i] = lf[i];
| ~~^~~~~~~~~~~
icc.cpp:39:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | for(int i = 0; i < nrg.size(); i ++) xr[i] = nrg[i];
| ~~^~~~~~~~~~~~
icc.cpp:57:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
57 | for(int i = 0; i < lf.size(); i ++) xl[i] = lf[i];
| ~~^~~~~~~~~~~
icc.cpp:58:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
58 | for(int i = 0; i < nrg.size(); i ++) xr[i] = nrg[i];
| ~~^~~~~~~~~~~~