Cod sursa(job #1804837)

Utilizator Liviu_Ionut_MoantaMoanta Ionut Liviu Liviu_Ionut_Moanta Data 13 noiembrie 2016 01:43:47
Problema Buline Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.63 kb
#include <fstream>
using namespace std;
ifstream fin ("buline.in");
ofstream fout("buline.out");
int n,v[200003],s[200003],i,sol,solv,sol1v,sol1,a,b;
long long minim,maxim,pmax,jmax,maxim1,minim1,minimv,maximv,pmaxv,jmaxv,maxim1v,minim1v;
int main(){
    fin>>n;
    s[0]=0;
    for(i=1;i<=n;i++){
        fin>>a>>b;
        if(b==0){
            a*=-1;
        }
        v[i]=a;
    }
    minim=2000000000LL;
    maxim=-2000000000LL;
    maxim1=2000000000LL;
    for(i=1;i<=n;i++){
        s[i]=s[i-1]+v[i];
        if(s[i]>maxim){
            maxim=s[i];
            sol=i;
        }
        if(s[i]!=maxim){
            if(s[i]-maxim<minim){
                minim=s[i]-maxim;
                pmax=sol;
                jmax=i;
            }
        }
    }
    int ok=0;
    for(i=1;i<=n;i++){
        if(v[i]>=0){
            ok=1;
        }
        if(v[i]<maxim1){
            maxim1=v[i];
            sol1=i;
        }
    }
    s[0]=0;
    minimv=2000000000LL;
    maximv=-2000000000LL;
    minim1v=-2000000000LL;
    for(i=1;i<=n;i++){
        s[i]=s[i-1]+v[i];
        if(s[i]<minimv){
            minimv=s[i];
            sol=i;
        }
        if(s[i]!=minimv){
            if(s[i]-minimv>maximv){
                maximv=s[i]-minimv;
                pmaxv=sol;
                jmaxv=i;
            }
        }
    }
    if(ok==1){
    if(maximv>s[n]-minim){
        fout<<maximv<<" "<<pmaxv+1<<" "<<jmaxv-pmaxv;
    }
    else{
        fout<<s[n]-minim<<" "<<jmax+1<<" "<<n-(jmax-pmax);
    }
    }
    else{
         fout<<s[n]-maxim1<<" "<<sol1-1<<" "<<n-1;
    }
    return 0;
}