Compilare: main.cpp: In function 'int main()': main.cpp:41:23: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] for( int i = 0; i < nr & !gasit; i++) ~~^~~~ main.cpp:42:26: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] for(int j = i; j < nr & !gasit; j++) ~~^~~~ main.cpp:43:30: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] for(int k = j; k < nr & !gasit; k++) ~~^~~~ main.cpp:49:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l = 0; l < v_hash[poz].size(); l++) ~~^~~~~~~~~~~~~~~~~~~~