Для ввода и вывода матрицы использовать файл.
пример (первая строка размер квадратной матрицы):
4
2 3 5 8
7 7 7 7
6 6 6 6
4 1 9 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | INPUT "vvedite nazvanie faila vvoda ", a$ OPEN a$ FOR INPUT AS # 1 INPUT # 1 , n DIM a(n, n) FOR i = 1 TO n FOR j = 1 TO n INPUT # 1 , a(i, j) NEXT NEXT CLOSE PRINT "matrica" FOR i = 1 TO n FOR j = 1 TO n PRINT a(i, j); NEXT PRINT NEXT INPUT "vvedite nazvanie faila vyvoda ", b$ OPEN b$ FOR OUTPUT AS # 2 FOR i = 1 TO n f = 0 FOR j = 1 TO n FOR k = 1 TO n IF a(i, j) <> a(i, k) THEN f = 1 NEXT NEXT IF f = 0 THEN PRINT # 2 , i NEXT CLOSE |