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38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#include <iostream>
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#include <time.h>
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#include <stdlib.h>
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using namespace std;
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const int LOW = 1;
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const int HIGH = 10;
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int main(int argc, char **argv)
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{
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int x, y, x1, x2, y1, y2;
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time_t seconds;
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time(&seconds);
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srand((unsigned int) seconds);
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x = rand() % (HIGH - LOW + 1) + LOW;
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y = rand() % (HIGH - LOW + 1) + LOW;
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x1 = rand() % (HIGH - LOW + 1) + LOW;
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x2 = rand() % (HIGH - LOW + 1) + LOW;
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y1 = rand() % (HIGH - LOW + 1) + LOW;
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y2 = rand() % (HIGH - LOW + 1) + LOW;
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cout << "The points are: (" << x << ", " << y << "), (" << x1 << ", " << y1
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<< "), & (" << x2 << ", " << y2 << ")\n";
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cout << "The Equation of the line is : (" << (y2 - y1) << ")x+(" << (x1
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- x2) << ")y+(" << (x2 * y1 - x1 * y2) << ") = 0\n";
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int s = (y2 - y1) * x + (x1 - x2) * y + (x2 * y1 - x1 * y2);
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if (s < 0)
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cout << "The points are NOT colinear";
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else if (s > 0)
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cout << "The points are NOT colinear";
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else
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cout << "The points are colinear";
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}
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/*
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The points are: (9, 5), (4, 6), & (1, 2)
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The Equation of the line is : (-4)x+(3)y+(-2) = 0
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The points are NOT colinear
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