Cod sursa(job #998451)

Utilizator Cosmin1490Balan Radu Cosmin Cosmin1490 Data 17 septembrie 2013 01:29:22
Problema Subsecventa de suma maxima Scor 80
Compilator cpp Status done
Runda Arhiva educationala Marime 1.33 kb
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <queue>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <fstream>
#include <iterator>
using namespace std;

const string file = "ssm";

const string infile = file + ".in";
const string outfile = file + ".out";

const int INF = 0x3f3f3f3f;
int N;
vector<int> A;
vector<int> prec;
vector<int> DP;
int main()
{
	fstream fin(infile.c_str(), ios::in);
	fin >> N;
	A.resize(N);
	prec.resize(N);
	DP.resize(N);
	for(int i = 0; i < N; i++)
	{
		fin >> A[i];
	}
	fin.close();


	DP[0] = A[0];
	int maxS = 0;
	int maxi = 0;
	for(int i = 1; i < N; i++)
	{
		if(A[i] + DP[i-1] > A[i])
		{
			DP[i] = A[i] + DP[i-1];
			prec[i] = 1;
		}
		else 
		{
			DP[i] = A[i];
			prec[i] = 0;
		}

		if(DP[maxi] < DP[i])
			maxi = i;
	}


	for(maxS = maxi; prec[maxS] == 1; maxS--);

	fstream fout(outfile.c_str(), ios::out);
	fout << DP[maxi] << " " << maxS + 1 << " " << maxi + 1 <<"\n";
	fout.close();
}