#include <stdio.h>
int main() {
int i,r,c,j;
int arr[r][c];
for(i=0;i<r;i++){
for(j=0;j<c;j++){
}
}
for(i=0;i<r;i++){
for(j=0;j<c;j++){
}
}
return 0;
}
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