Cod sursa(job #2447603)

Utilizator pasoi_stefanPasoi Stefan pasoi_stefan Data 13 august 2019 21:55:06
Problema Buline Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.76 kb
#include<fstream>
#include<deque>
using namespace std;
ifstream cin("buline.in");
ofstream cout("buline.out");

int n,best,start,finish;
int a[400005],v[400005],s;
deque<int> d;

int main(){

    cin>>n;
    for(int i=1;i<=n;i++){

        cin>>a[i]>>s;
        if(s==0) a[i]=-a[i];
        v[i]=a[i]+v[i-1];

    }

    for(int i=n+1;i<2*n;i++)
        v[i]=a[i-n]+v[i-1];

    for(int i=1;i<2*n;i++){

        while(!d.empty() && v[d.back()]>=v[i]) d.pop_back();
        d.push_back(i);
        if(d.front()==i-n-1) d.pop_front();

        int x=v[i]-v[d.front()];
        if(x>best){

            best=x;
            start=d.front()+1;
            finish=i;


        }

    }

    cout<<best<<' '<<start<<' '<<finish-start+1;

}