Cod sursa(job #2032914)

Utilizator BarbumateiBarbu Matei Barbumatei Data 5 octombrie 2017 21:09:33
Problema Subsecventa de suma maxima Scor 100
Compilator c Status done
Runda Arhiva educationala Marime 0.7 kb
#include <stdio.h>
const int INFINIT = ( ( 1 << 31 ) - 1  );
int main(){
  FILE *fin, *fout;
  fin = fopen( "ssm.in", "r" );
  fout = fopen( "ssm.out", "w" );
  int n, i, x, suma, last,
      suma_maximala, inceput, sfarsit;
  fscanf( fin, "%d", &n );
  suma = last = 0;
  ///last denota de unde incepe secventa
  suma_maximala = (-1)*INFINIT;
  for ( i = 0; i < n; i++ ){
    fscanf( fin, "%d", &x );
    suma += x;
    if ( suma >= suma_maximala ) {
      suma_maximala = suma;
      inceput = last;
      sfarsit = i;
    }
    if( suma < 0 ){
      suma = 0;
      last = i + 1;
    }
  }
  fprintf( fout, "%d %d %d", suma_maximala, inceput + 1, sfarsit + 1);
  fclose( fin );
  fclose( fout );
}