Nu aveti permisiuni pentru a descarca fisierul grader_test1.in
Cod sursa(job #409838)
Utilizator | Data | 3 martie 2010 21:34:26 | |
---|---|---|---|
Problema | Subsecventa de suma maxima | Scor | 75 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.72 kb |
#include<fstream>
#include<algorithm>
#include<vector>
#define minf -1999999999
#define N_max 6000001
using namespace std;
//vector<int>sum;
int sum[N_max];
int main()
{
int n,i,x,y,bestsum=minf,min=0,best,c;
freopen("ssm.in","r",stdin); freopen("ssm.out","w",stdout);
//citeste n si vectorul
scanf("%d",&n);
x=0;y=0; //x-start ,y-final
for(i=1;i<=n;++i)
{
scanf("%d",&c); sum[i]=c+sum[i-1];
best=sum[i]-min;
if(min>sum[i]) { min=sum[i]; x=i;}
if(bestsum<best){ bestsum=best; y=i;}
else if(bestsum==best && y<i-x) y=i;
// printf("bestsum=%d x=%d y=%d sum[%d]=%d best=%d min=%d\n",bestsum,x,y,i,sum[i],best,min);
}
printf("%d %d %d\n",bestsum,x+1,y);
return 0;
}