View Compilation Error

0_0_22100735_18812.cpp: In function 'int main()':
0_0_22100735_18812.cpp:21:26: error: 'struct Node' has no member named 'j'
    scanf("%lf%lf", &T[i].j, &T[i].f);
                          ^
0_0_22100735_18812.cpp:21:35: error: 'struct Node' has no member named 'f'
    scanf("%lf%lf", &T[i].j, &T[i].f);
                                   ^