Compilare: main.cpp: In function 'int main()': main.cpp:98:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] cin>>n>>k>>s+1; ~^~ main.cpp:127:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (idx < events.size() && events[idx].poz == j && events[idx].tip == 1){ ~~~~^~~~~~~~~~~~~~~ main.cpp:137:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (idx < events.size() && events[idx].poz == j && events[idx].tip == 2){ ~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void solve(int, int, int, int)': main.cpp:86:36: warning: 'opt_mid' may be used uninitialized in this function [-Wmaybe-uninitialized] solve (st,mid-1,opt_st,opt_mid); ^