sharps and flats

0 flats/sharps

c major/a minor

1 sharp

g major/e minor

2 sharps

d major/b minor

3 sharps

a major/f sharp minor

4 sharps

e major/c sharp minor

5 sharps

b major/g sharp minor

6 sharps

f sharp major/d sharp minor

7 sharps

c sharp major/a sharp minor

1 flat

f major/d minor

2 flats

b flat major/g minor

3 flats

e flat major/c minor

4 flats

a flat major/f minor

5 flats

d flat major/b flat minor

6 flats

g flat major/e flat minor

7 flats

c flat major/a flat minor