09/03/03 00:03:08
>>4
1. (1)i*width+j (2)i*width+width-j-1
2. i <= 20 → i < 10 と j <= 20 → j < 20
3. 45
09/03/03 00:03:08
>>4
1. (1)i*width+j (2)i*width+width-j-1
2. i <= 20 → i < 10 と j <= 20 → j < 20
3. 45
09/03/03 00:03:08
>>4
1. (1)i*width+j (2)i*width+width-j-1
2. i <= 20 → i < 10 と j <= 20 → j < 20
3. 45