Compilare: main.cpp: In function 'int main()': main.cpp:5:354: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 5 | using namespace std;ifstream fin("drept.in");ofstream fout("drept.out");const int DN=1001;int n,k,z,mi=1e9,ls,ld;pair<int,int>a[DN];int main(){int i,j;fin>>n>>k;for(i=1;i<=n;i++)fin>>a[i].x>>a[i].y;sort(a+1,a+n+1);for(i=1;i<=n;i++){vector<int>v;for(j=i;j<=n;j++){v.insert(lower_bound(v.begin(),v.end(),a[j].y),a[j].y);if(j-i+1<k)continue;for(int h=0;h+k<=v.size();h++)mi=min(mi,(a[j].x-a[i].x)*(v[h+k-1]-v[h]));}}fout<<mi;} | ~~~^~~~~~~~~~