how to do the redirection in windows
On Sat, Apr 9, 2011 at 8:06 PM, ravi shanker <ravishanker....@gmail.com>wrote:
> Hi Bruno,
>
> There is an easy way to handle the I/O j
> ust use "<" operator to read the value from file and ">" to write back to
> file.
> example: suppose my executabe name is Demo.exe
>
> > Demo.exe < input.in > output.out
>
>
> Now when we use cout in your program it will redirect it in the file
> output.out in the respective format and the same way
> via using cin u r able to read the values from the file. So there is no
> need of unnecessary file handling...just focus on the
> logic.
>
>
> On Sat, Apr 9, 2011 at 1:15 PM, BrunoOliveira <olivbru...@gmail.com>wrote:
>
>> Hello fellow programming friends,
>>
>> I am participating in GCJ for my first time "in an official way". I`m
>> from Portugal.
>>
>> I was able to come up with some of the algorithms necessary to solve
>> some problems, such as "Minimum Scalar Product" in Round 1A 2008.
>>
>> However, I never got to submit a solution because I can`t handle my I/
>> O operations with files as I can´t "generalize" my core algorithm to
>> all the test cases... Can you give me a few pointers?
>>
>> My code for the above problem was:
>>
>> #include <iostream>
>> #include <vector>
>> #include <algorithm>
>> using namespace std;
>>
>> void min_scalar_product(vector<int> &v1, vector<int> &v2)
>> {
>> sort(v1.begin(), v1.end());
>> sort(v2.begin(), v2.end());
>>
>> int min = 0;
>>
>> for(int i = 0; i < v1.size(); i++)
>> {
>> min += v1[i]*v2[v1.size()-(i+1)];
>> }
>> cout << min;
>> }
>>
>> int main()
>> {
>> int nums1[] = {1,3,-5};
>> vector<int> v1;
>> v1.assign(nums1, nums1+sizeof(nums1));
>>
>> int nums2[] = {2,4,-10};
>> vector<int> v2;
>> v2.assign
>> return 0;
>> }
>>
>> Can you please help me and also, give me some ideas regarding my
>> coding style?
>>
>> Thank you in advance,
>> Bruno (username Pardal)
>>
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