This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int main(){
int n , m , q ; cin >> n >> m >> q ;
int a[n+4][m+3] ;
for (int i = 1 ; i <= n ; i ++ ) {
for (int j = 1 ; j <= m ; j ++ ) cin >> a[i][j] ;
}
while (q--) {
int x , y ;
cin >> x >> y ;
if ( x == y ) cout << "DA" ;
else if ( a[y][m] == x ) cout << "DA" ;
else cout << "NE" ;
if ( q > 0 ) cout << endl ;
}
return 0;
}
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