Matritsa
Matritsa-04
Matritsa-05
Matritsa-06
~/algor $ cat masalalar/matritsa-elementlar-yigindisi
Matritsa-05
Matritsa elementlari yig'indisi
Muallif:
Iqbolshoh Ilhomjonov
Oson
1000 ms
128 MB
22%
O'lchamlari $n \times m$ bo'lgan butun sonli matritsa berilgan. Matritsaning barcha elementlari yig'indisini hisoblang:
$$S = \sum_{i=1}^{n} \sum_{j=1}^{m} a_{i,j}$$
Kiruvchi ma'lumotlar
Birinchi qatorda ikkita natural son: $n$ va $m$. Keyingi $n$ ta qatorda $m$ tadan butun son $a_{i,j}$.
Chiquvchi ma'lumotlar
Bitta butun son — elementlar yig'indisi.
Izoh
$1 \le n, m \le 200$
$-1000 \le a_{i,j} \le 1000$
Misollar
Kirish #1
2 3 1 2 3 4 5 6
Chiqish #1
21
Kirish #2
1 1 -7
Chiqish #2
-7