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21 lines
489 B
C
21 lines
489 B
C
#include <stdio.h>
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#include <math.h>
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float dist(int x1, int y1, int x2, int y2);
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float area_geron(int x1, int y1, int x2, int y2, int x3, int y3);
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int main()
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{
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int x1, y1, x2, y2, x3, y3; // координаты точек
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float len, area; // длина
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scanf("%d%d", &x1, &y1); // прочитали числа
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scanf("%d%d", &x2, &y2);
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scanf("%d%d", &x3, &y3);
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area = area_geron(x1, y1, x2, y2, x3, y3);
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printf("%.3f\n", area);
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return 0;
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} |