Compilare: main.cpp: In function 'long long int rmq(long long int, long long int)': main.cpp:158:19: 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] 158 | if(rblock >= blocks.size()) | ~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'long long int rmqSt(long long int, long long int)': main.cpp:173:46: warning: unused variable 'len' [-Wunused-variable] 173 | ll exp = log_2[rblock - lblock + 1], len = (1ll << exp); | ^~~ main.cpp: In function 'void genStructures()': main.cpp:199:49: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 199 | precBlock = vec<vec<vec<ll>>>((1ll << k - 1) + 5, vec<vec<ll>>(k, vec<ll>(k, -1))); | ~~^~~ main.cpp:237:43: 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] 237 | for(ll j = 0; j + pw2 - 1 < st[i].size(); j++) | ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:258:68: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 258 | vals[j] = vals[j - 1] + ((mask & (1ll << j - 1)) ? 1 : -1); | ~~^~~ main.cpp:209:29: warning: 'bit' may be used uninitialized [-Wmaybe-uninitialized] 209 | bit <<= 1ll; | ~~~~^~~~~~~ main.cpp:202:12: note: 'bit' was declared here 202 | ll bit; | ^~~