Cod sursa(job #571738)

Utilizator maritimCristian Lambru maritim Data 4 aprilie 2011 19:01:37
Problema Buline Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.75 kb
#include<stdio.h>

int A[400002];
int N;
int MAX = -11111;
int MIN = 0;
int nrmax = -11111;
int P = 1;
int L = 0;

void citire(void)
{
	int a;
	int b;
	FILE *f = fopen("buline.in","r");
	
	fscanf(f,"%d ",&N);
	for(int i=1;i<=N;i++)
	{
		fscanf(f,"%d %d",&a,&b);
		if(b)
			A[i] = a;
		else
			A[i] = -a;
	}
	for(int i=1;i<=N;i++)
		A[i+N] = A[i];
	
	fclose(f);
}

void calc(void)
{
	int s = 0;
	int pi = 1;
	for(int i=1;i<=N+N;i++)
	{
		if(s>0)
			s += A[i];
		else
		{
			s = A[i];
			pi = i;
		}
		if(s>MAX && pi+N>i)
		{
			MAX = s;
			P = pi;
			L = i-pi+1;
		}
	}
}

int main()
{
	FILE *f = fopen("buline.out","w");
	
	citire();
	calc();
	fprintf(f,"%d %d %d",MAX,P,L);
	
	fclose(f);
	return 0;
}