大數相乘(1)見此。
其中大數相乘(2)與大數相乘(1)中的思路相同,儲存結構也類似,些許不同為儲存時空間採用的是len1 * len2,比上面的(len1 + len2) * len2要小。因為最近學c#,所以重寫了一下。
using system;
using system.collections.generic;
namespace mytest_csharp
private void check(string tocheck, out boolean _check)
}if (countcheck == tocheck.length)
else
}public logenzemultiply(string tocopy)
uint temp;
if (tocopy != null && value != null)}}
public void showvalue()
console.writeline("");}}
public listreturnvalue()
public string multiply(ref logenzemultiply bignumber2)
}for (countcolumn = 1; countcolumn < len1 + 1; ++countcolumn)
for (countrow = 1; countrow < len2 + 1; ++countrow)
for (countrow = 1; countrow < len2 + 1; ++countrow)
}uint convertarray = new uint[len1 + len2];
for (countcolumn = 0; countcolumn < len1 + len2; ++countcolumn)
countcolumn = len1;
countrow = len2;
int countadd = len1 + len2;
while (countadd> 1)
if (countrow > len2 || countcolumn < 1)
else
}--countadd;
}for (countcolumn = len1 + len2; countcolumn > 0; --countcolumn)
}string result = "";
string resulttemp = "";
countcolumn = 0;
while (countcolumn < len1 + len2)
while (result.startswith("0"))
return result;
}static void main(string args)
}}
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