Найти наибольший элемент главной диагонали матрицы A=(ai,k) и вывести на печать всю строку, в которой он находится. (i=k) — QBasic(Бейсик)

CLS
DO
    INPUT "vvedite kol-vo strok ", m
    INPUT "vvedite kol-vo stolbcov ", n
    IF m <> n THEN PRINT "matrica ne kvadratnaya povtorite vvod"
LOOP UNTIL m = n
DIM a(m, n)
FOR i = 1 TO m
    FOR j = 1 TO n
        PRINT "vvedite element a("; i; ","; j; ")=";
        INPUT a(i, j)
    NEXT
NEXT
PRINT "matrica"
FOR i = 1 TO m
    FOR j = 1 TO n
        PRINT a(i, j);
    NEXT
    PRINT
NEXT
PRINT "glavnaya diagonal"
max = a(1, 1)
FOR i = 1 TO n
    PRINT a(i, i);
    IF a(i, i) > max THEN max = a(i, i): k = i
NEXT
PRINT
PRINT "maximalnyj element glavnoj diagonali="; max
PRINT "on nahoditsya v stroke nomer "; k
PRINT "stroka nomer "; k
FOR i = 1 TO m
    PRINT a(k, i);
NEXT

CLS
DO
    INPUT "vvedite kol-vo strok ", m
    INPUT "vvedite kol-vo stolbcov ", n
    IF m <> n THEN PRINT "matrica ne kvadratnaya povtorite vvod"
LOOP UNTIL m = n
DIM a(m, n)
RANDOMIZE TIMER
FOR i = 1 TO m
    FOR j = 1 TO n
        a(i, j) = INT(RND * 20)
    NEXT
NEXT
PRINT "matrica"
FOR i = 1 TO m
    FOR j = 1 TO n
        PRINT a(i, j);
    NEXT
    PRINT
NEXT
PRINT "glavnaya diagonal"
max = a(1, 1)
FOR i = 1 TO n
    PRINT a(i, i);
    IF a(i, i) > max THEN max = a(i, i): k = i
NEXT
PRINT
PRINT "maximalnyj element glavnoj diagonali="; max
PRINT "on nahoditsya v stroke nomer "; k
PRINT "stroka nomer "; k
FOR i = 1 TO m
    PRINT a(k, i);
NEXT