14 lines
400 B
C++
14 lines
400 B
C++
#include <iostream>
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#include <numeric>
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// Calculate the Forward Difference of a series if integers
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//
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// Nigel Galloway. August 20th., 2012
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//
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int main() {
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int x[] = {NULL,-43,11,-29,-7,10,23,-50,50,18};
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const int N = sizeof(x) / sizeof(int) - 1;
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for (int ord = 0; ord < N - 1; ord++) std::adjacent_difference(x+1, x + N + 1 - ord, x);
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std::cout << x[1] << std::endl;
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return 0;
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}
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