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Hadoop mapreduce 實現MatrixMultiply矩陣相乘

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代碼片段和文件信息

#include?
#include?
#include?
#include?
#include?
using?namespace?std;

//usage:?argv[1]?is?the?rows?of?the?matrix?M?argv[2]?is?the?columns?of?the?matrix?M?argv[3]?is?the?columns?of?the?matrix?N
int?main(int?argc?char*?argv[])
{
int?rowcolumncolumnB;
sscanf(argv[1]“%d“&row);
sscanf(argv[2]“%d“&column);
sscanf(argv[3]“%d“&columnB);
FILE?*fp;
stringstream?ss;
ss?< ss?< ss?< ss?< fp?=?fopen(ss.str().c_str()“w“);
printf(“matrix?M?%d%d?\n“rowcolumn);
srand(time(NULL));
for(int??i?=1;?i?<=?row;?i++)
{

for(int?j?=?1;?j?<=?column;?j++)
{
????fprintf(fp“%d%s%d%s%d%s“i““j“\t“rand()%100“\n“);
}

}
fclose(fp);
FILE?*fp2;
stringstream?ss2;
s

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-07-31?19:43??CH?8.2?-?MatrixMultiply\
?????文件????????6849??2014-07-31?19:41??CH?8.2?-?MatrixMultiply\README.html
?????文件?????????871??2014-07-31?19:41??CH?8.2?-?MatrixMultiply\README.md
?????目錄???????????0??2014-07-31?19:43??CH?8.2?-?MatrixMultiply\src\
?????文件????????1159??2014-07-31?19:45??CH?8.2?-?MatrixMultiply\src\genMatrix.cpp
?????文件?????????467??2014-07-31?15:57??CH?8.2?-?MatrixMultiply\src\genMatrix.sh
?????文件????????5137??2014-07-24?10:47??CH?8.2?-?MatrixMultiply\src\MatrixMultiply.java

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