n=10;
m=12;
p=11;
coins=[|11,53,85,51,95,46,51,62,93,84,24,90|
73,12,18,72,49,85,54,63,17,95,43,50|
42,94,17,79,11,83,55,10,59,79,42,72|
96,82,96,16,100,66,42,67,81,31,78,14|
54,33,64,26,49,40,77,79,19,71,20,9|
86,37,97,35,36,3,19,21,84,62,55,1|
94,32,25,48,31,37,61,2,62,88,18,11|
27,53,37,67,16,65,74,57,51,64,86,71|
36,34,49,61,19,70,66,27,79,31,55,87|
48,31,19,76,43,93,37,83,45,9,43,12|];
cost=[65,11,30,21,16,76,35,65,73,56];