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net=(char **)calloc(netnum,sizeof(char*));
for (t = 0; t < netnum; t++)
{
net[t] = (char*)calloc(16, sizeof(char));
}
#include <stdio.h >
#include <stdlib.h >
int netnum;
char **net;
int main(int argc, char *argv[])
{
int t;
scanf( "%d ",&netnum);
net=(char **)calloc(netnum,sizeof(char));
for(t=0;t <netnum;t++)
net[t] = (char*)calloc(netnum, sizeof(char) );
for(t=0;t <netnum;t++)
gets(net[t]);
for(t=0;t <netnum;t++)
puts(net[t]);
return 0;
}