Compiler output
prog.cpp: In function 'int main()':
prog.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<arr.size();i++)
^
prog.cpp:28:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<arr2.size();i++)
^
prog.cpp:30:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<arr2.size();i++)
^
prog.cpp:35:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<arr.size();i++){
^
