Cod sursa(job #2931292)

Utilizator alessiamtr12Mitrica Alessia alessiamtr12 Data 30 octombrie 2022 20:02:00
Problema Buline Scor 20
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.78 kb
#include <fstream>
#include<climits>
#define NMAX 200001
using namespace std;
ifstream fin("buline.in");
ofstream fout("buline.out");
int n,v[2*NMAX],x,st,dr,p,lg;
bool tip;
long long s,smax=LONG_MIN;
int main()
{
    fin>>n;
    for(int i=1; i<=n; i++)
    {
        fin>>x>>tip;
        if(tip==0)
            x=-x;
        v[i]=x;
    }
    for(int i=n+1; i<=2*n; i++)
        v[i]=v[i-n];


    p=1;
    for(int i=1; i<=2*n; i++)
    {
        if(s<0)
        {
            s=v[i];
            p=i;
        }
        else
            s+=v[i];
        if(smax<s && i-p+1<=n)
        {
            smax=s;
            st=p;
            dr=i;
        }
    }
   lg=dr-st+1;
    if(st>n)
        st-=n;
    fout<<smax<<" "<<st<<" "<<lg;
    return 0;
}