Array problem

Question

See commented lines in code
https://code.sololearn.com/cz5WQYa29Q0K/?ref=app

Answer 1

2nd row index value is 1 , not 2. so use

for(int i=1; i<2; i++){
for(int j=0; j<3; j++)
cin>>arrr[i][j];
}

Answer 2

Thank I got it
Jayakrishna🇮🇳