#include <stdio.h>
#include <stdlib.h>
int main(){
int i,j,k;
int a,b;
int **mat;
for(i=0;i<a;i++)
for(i=0;i<a;i++){
for(j=0;j<b;j++)
mat[i][j]= ++k;
}
for(i=0;i<a;i++){
for(j=0;j<b;j++){
}
}
return 0;
}
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