8節の問題 5 変化を表す表 (b)
| 式 | a=2 | pm=1 | k=1 | pm=-pm*pm | a=a*a+pm*k*k | k-- | pm=-pm*pm | a=a*a+pm*k*k | k-- | pm=-pm*pm | a=a*a+pm*k*k |
| a | 2 | . | . | . | 3 | . | . | 9 | . | . | 82 |
| pm | . | 1 | . | -1 | . | . | -1 | . | . | -1 | . |
| k | . | . | 1 | . | . | 0 | . | . | -1 | . | . |
| 式 | s=0 | p=1 | i=1 | p=-p | s+=i | i=i+2 | p=-p | s+=i | i=i+2 |
| s | 0 | . | . | . | 1 | . | . | 4 | . |
| i | . | . | 1 | . | . | 3 | . | . | 5 |
| p | . | 1 | . | -1 | . | . | 1 | . | . |
| 式 | s=0 | i=1 | if(i%2!=0)s-=i | i=i+2 | if(i%2!=0)s-=i | i=i+2 |
| s | 0 | . | -1 | . | -4 | . |
| i | . | 1 | . | 3 | . | 5 |