Compilare: main.cpp: In function 'int main()': main.cpp:17:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < s.size() ; i ++) ~~^~~~~~~~~~ main.cpp:20:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < v.size() && k ; i++ ) ~~^~~~~~~~~~ main.cpp:25:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i ; j <= i + k && j < v.size() ; j ++) ~~^~~~~~~~~~ main.cpp:42:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < v.size() ; i ++) ~~^~~~~~~~~~ main.cpp:37:17: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] while(i < poz) ~~^~~~~