#include <stdio.h>
#include <stdlib.h>
int main()
{ int i,n,m,**a;
a
=(int**)malloc(sizeof(int*)*n
); for(i=0;i<n;i++){
a
[i
]=(int*)malloc(sizeof(int)*m
); }
for(i=0;i<n;i++){
for(int j=0;j<m;j++){
a[i][j]=i*m+j;
}
}
for(i=0;i<n;i++){
}
return 0;
}
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