Compilare: main.cpp: In function 'long long int rmq(long long int, long long int)': main.cpp:157:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | if(lblock >= blocks.size()) | ~~~~~~~^~~~~~~~~~~~~~~~ main.cpp:170:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 170 | if(rblock >= blocks.size()) | ~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void genStructures()': main.cpp:213:49: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 213 | precBlock = vec<vec<vec<ll>>>((1ll << k - 1) + 5, vec<vec<ll>>(k, vec<ll>(k, -1))); | ~~^~~ main.cpp:251:43: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 251 | for(ll j = 0; j + pw2 - 1 < st[i].size(); j++) | ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:272:68: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 272 | vals[j] = vals[j - 1] + ((mask & (1ll << j - 1)) ? 1 : -1); | ~~^~~ main.cpp:223:29: warning: 'bit' may be used uninitialized [-Wmaybe-uninitialized] 223 | bit <<= 1ll; | ~~~~^~~~~~~ main.cpp:216:12: note: 'bit' was declared here 216 | ll bit; | ^~~