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ProjectEuler-Java/Sol8.java at master · JoshP/ProjectEuler-Java · GitHub
JoshP
ProjectEuler-Java
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public
class
Sol8
extends
BaseSolution
{
public
void
runSolution
() {
String
numString
=
"73167176531330624919225119674426574742355349194934"
+
"96983520312774506326239578318016984801869478851843"
+
"85861560789112949495459501737958331952853208805511"
+
"12540698747158523863050715693290963295227443043557"
+
"66896648950445244523161731856403098711121722383113"
+
"62229893423380308135336276614282806444486645238749"
+
"30358907296290491560440772390713810515859307960866"
+
"70172427121883998797908792274921901699720888093776"
+
"65727333001053367881220235421809751254540594752243"
+
"52584907711670556013604839586446706324415722155397"
+
"53697817977846174064955149290862569321978468622482"
+
"83972241375657056057490261407972968652414535100474"
+
"82166370484403199890008895243450658541227588666881"
+
"16427171479924442928230863465674813919123162824586"
+
"17866458359124566529476545682848912883142607690042"
+
"24219022671055626321111109370544217506941658960408"
+
"07198403850962455444362981230987879927244284909188"
+
"84580156166097919133875499200524063689912560717606"
+
"05886116467109405077541002256983155200055935729725"
+
"71636269561882670428252483600823257530420752963450"
;
int
maxProduct
=
0
,
num0
=
0
,
num1
=
0
,
num2
=
0
,
num3
=
0
,
num4
=
0
;
for
(
int
i
=
0
;
i
<
numString
.
length
();
i
++) {
num4
=
num3
;
num3
=
num2
;
num2
=
num1
;
num1
=
num0
;
num0
=
Integer
.
parseInt
(
new
Character
(
numString
.
charAt
(
i
)).
toString
());
if
(
i
>=
4
) {
maxProduct
=
Math
.
max
(
maxProduct
,
num0
*
num1
*
num2
*
num3
*
num4
);
}
}
System
.
out
.
println
(
maxProduct
);
}
}
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