Compilare: main.cpp: In function 'int main()': main.cpp:75:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(j=0; j<update[i].size(); j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:74:19: warning: unused variable 'curr' [-Wunused-variable] 74 | long long curr=0; | ^~~~ main.cpp:38:10: warning: unused variable 'ch' [-Wunused-variable] 38 | char ch; | ^~ main.cpp: In function 'long long int caut(long long int)': main.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] 31 | } | ^