Matritsa
Matritsa-24
Matritsa-25
Matritsa-26
~/algor $ cat masalalar/matritsa-simmetrikmi
Matritsa-25
Simmetrik matritsa
Muallif:
Iqbolshoh Ilhomjonov
Oson
1000 ms
128 MB
32%
O'lchamlari $n \times n$ bo'lgan kvadrat butun sonli matritsa berilgan. Agar matritsa bosh diagonaliga nisbatan simmetrik bo'lsa (barcha $i, j$ uchun $a_{i,j} = a_{j,i}$), YES, aks holda NO chiqaring.
Kiruvchi ma'lumotlar
Birinchi qatorda ikkita bir xil natural son: $n$ va $n$. Keyingi $n$ ta qatorda $n$ tadan butun son.
Chiquvchi ma'lumotlar
YES yoki NO.
Izoh
$1 \le n \le 200$
$-1000 \le a_{i,j} \le 1000$
Misollar
Kirish #1
3 3 1 2 3 2 5 6 3 6 9
Chiqish #1
YES
Kirish #2
2 2 1 2 3 4
Chiqish #2
NO