INPUT "vvedite razmer matricy N ",n
DIM a(n,n)
RANDOMIZE TIMER
PRINT "ishodnaya matrica"
FOR i = 1 TO n
FOR j = 1 TO n
a(i, j) = INT(RND * 100)+1
PRINT a(i, j);
NEXT 
PRINT
NEXT 
FOR i=1 TO n
a(i,i)=0
PRINT "novaya matrica"
FOR i = 1 TO n
FOR j = 1 TO n
PRINT a(i, j);
NEXT 
PRINT
NEXT