Author
anonymous
over 6 years ago
Language
C++
Compiler
gcc HEAD 9.0.0 20181105 (experimental)
Options
Warnings
Optimization
Don't Use Boost
C++11(GNU)
no pedantic
Author
anonymous
over 6 years ago
$ g++ prog.cc -Wall -Wextra -O2 -march=native -std=gnu++11 prog.cc: In function 'int main()':
prog.cc:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::__cxx11::basic_string<char> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | for (int i = 0; i < vec.size(); i++)
| ~~^~~~~~~~~~~~
prog.cc:34:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
34 | for (int j = 0; j < vec[i].size(); j++)
| ~~^~~~~~~~~~~~~~~
prog.cc:41:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<std::__cxx11::basic_string<char> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for (int i = 0; i < vec.size(); i++)
| ~~^~~~~~~~~~~~
prog.cc:43:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for (int j = 0; j < vec[i].size(); j++)
| ~~^~~~~~~~~~~~~~~
a b
c d
Exit Code:
0