Compilare: main.cpp: In function 'int getnew()': main.cpp:22:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | if(puse==used.size()) | ~~~~^~~~~~~~~~~~~ main.cpp:27:10: warning: variable 'rez' set but not used [-Wunused-but-set-variable] 27 | node rez=used[puse]; | ^~~ main.cpp: In function 'll getsum(int)': main.cpp:53:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | if(ind<0||ind>=used.size()) | ~~~^~~~~~~~~~~~~ main.cpp: In function 'void prop(int)': main.cpp:59:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | if(me<0||me>=used.size()) | ~~^~~~~~~~~~~~~ main.cpp:65:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | if(used[me].l<0||used[me].l>=used.size()) main.cpp:71:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | if(used[me].r<0||used[me].r>=used.size()) main.cpp: In function 'void upd2(int, ll, ll, ll)': main.cpp:102:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | if(used[me].l<0||used[me].l>=used.size()) main.cpp:112:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | if(used[me].r<0||used[me].r>=used.size()) main.cpp: In function 'll qr2(int, ll, ll)': main.cpp:133:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 133 | if(a<=mij&&used[me].l>=0&&used[me].l<used.size()) main.cpp:138:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 138 | if(b>mij&&used[me].r>=0&&used[me].r<used.size()) main.cpp: In function 'int main()': main.cpp:199:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 199 | for(int i=0;i<poz[x].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:208:20: warning: unused variable 'cnt' [-Wunused-variable] 208 | ll cnt=p-prv; | ^~~ main.cpp:215:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 215 | for(int i=0;i<poz[x].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:236:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 236 | for(int i=0;i<poz[x].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:241:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 241 | if(i+1<poz[x].size()) | ~~~^~~~~~~~~~~~~~ main.cpp:247:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 247 | for(int i=0;i<poz[x].size();i++) | ~^~~~~~~~~~~~~~