Compilare: main.cpp:1:40: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 1 | #pragma GCC optimize("O3, unroll-loops") | ^ main.cpp:8:15: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 8 | void bkt(int x){ | ^ main.cpp: In function 'void bkt(int)': main.cpp:13:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 13 | if(folosit[v[i]]==0&&vecinfolosit[v[i]]==G[v[i]].size()){ | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp:16:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int k=0;k<G[v[j]].size();k++){ | ~^~~~~~~~~~~~~~~ main.cpp:25:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int k=0;k<G[v[j]].size();k++){ | ~^~~~~~~~~~~~~~~ main.cpp: At global scope: main.cpp:36:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 36 | int main() | ^