Compilare: main.cpp: In function 'int main()': main.cpp:20:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < s.size() ; i ++) ~~^~~~~~~~~~ main.cpp:23:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < v.size() && k ; i++ ) ~~^~~~~~~~~~ main.cpp:28:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i ; j <= i + k && j < v.size() ; j ++) ~~^~~~~~~~~~ main.cpp:44:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < v.size() ; i ++) ~~^~~~~~~~~~ main.cpp:26:13: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] int poz, max1 = -1 ; ^~~