Compilare: user.cpp: In function ‘int cupleaza(int)’: user.cpp:23:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[nod].size(); i++){ ^ user.cpp:32:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[nod].size(); i++){ ^ user.cpp: In function ‘int main()’: user.cpp:62:13: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>> s + 1; ^