Compilare: main.cpp: In function 'void get_diag_1(long long int, long long int, long long int)': main.cpp:184:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 184 | for(int i=poz; i<l_dif[c_list].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void get_diag_2(long long int, long long int, long long int)': main.cpp:218:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 218 | for(int i=poz; i<l_sum[c_list].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void get_diag_3(long long int, long long int, long long int)': main.cpp:252:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 252 | for(int i=poz; i<l_dif[c_list].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void get_diag_4(long long int, long long int, long long int)': main.cpp:286:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 286 | for(int i=poz; i<l_sum[c_list].size(); i++) | ~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solve(long long int, long long int)': main.cpp:340:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 340 | for(int i=0; i<aux.size(); i++) | ~^~~~~~~~~~~ main.cpp:342:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 342 | for(int j=i+1; j<aux.size(); j++) | ~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:368:23: 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] 368 | for(int val=0; val<dst.size(); val++) | ~~~^~~~~~~~~~~ main.cpp: In member function 'long long int aint::query(long long int, long long int, long long int, long long int, long long int)': main.cpp:65:5: warning: control reaches end of non-void function [-Wreturn-type] 65 | } | ^