Heronian triangles: Difference between revisions

m
→‎{{header|FutureBasic}}: Remove unsupported 'ConsoleWindow'
(→‎{{header|C++}}: C++11 to C++17 (basically just using std::gcd))
m (→‎{{header|FutureBasic}}: Remove unsupported 'ConsoleWindow')
Line 2,033:
=={{header|FutureBasic}}==
<syntaxhighlight lang="futurebasic">
text,,,,,70// Set width of tabs
include "ConsoleWindow"
 
// Set width of tabs
def tab 10
 
local fn gcd( a as long, b as long )
dim as long result
 
if ( b != 0 )
result = fn gcd( b, a mod b)
else
result = abs(a)
end if
end fn = result
 
Line 2,053 ⟶ 2,050:
 
local fn CalculateHeronianTriangles( numberToCheck as long ) as long
dim as long c, b, a, result, count : count = 0
dim as double s, area
 
for c = 1 to numberToCheck
for b = 1 to c
for a = 1 to b
s = ( a + b + c ) / 2
area = s * ( s - a ) * ( s - b ) * ( s - c )
if area > 0
area = sqr( area )
if area = int( area )
result = fn gcd( b, c )
result = fn gcd( a, result )
if result == 1
count++
triangleInfo( count, 0 ) = a
triangleInfo( count, 1 ) = b
triangleInfo( count, 2 ) = c
triangleInfo( count, 3 ) = 2 * s
triangleInfo( count, 4 ) = area
end if
end if
end if
next
next
next
end fn = count
 
Line 2,090 ⟶ 2,087:
print "---------------------------------------------"
print "Side A", "Side B", "Side C", "Perimeter", "Area"
print "---------------------------------------------"
 
// Sort array
dim as Boolean flips : flips = _true
while ( flips = _true )
flips = _false
for i = 1 to count - 1
if triangleInfo( i, 4 ) > triangleInfo( i + 1, 4 )
for k = 0 to 4
swap triangleInfo( i, k ), triangleInfo( i + 1, k )
next
flips = _true
end if
next
wend
 
// Find first 10 heronian triangles
for i = 1 to 10
print triangleInfo( i, 0 ), triangleInfo( i, 1 ), triangleInfo( i, 2 ), triangleInfo( i, 3 ), triangleInfo( i, 4 )
next
print
Line 2,115 ⟶ 2,112:
// Search for triangle with area of 210
for i = 1 to count
if triangleInfo( i, 4 ) == 210
print triangleInfo( i, 0 ), triangleInfo( i, 1 ), triangleInfo( i, 2 ), triangleInfo( i, 3 ), triangleInfo( i, 4 )
end if
next
 
HandleEvents
</syntaxhighlight>
 
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