Compilare: main.cpp: In function 'int main()': main.cpp:23:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 0; i < a.size(); i++ ){ ~~^~~~~~~~~~ main.cpp:27:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 0; i < a.size(); i++ ) ~~^~~~~~~~~~ main.cpp:33:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 1; i <= b.size() - a.size(); i++ ){ ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i = 0; i < v.size(); i++ ) ~~^~~~~~~~~~