View Compilation Error

0_0_22139624_22957.cpp: In function 'int main()':
0_0_22139624_22957.cpp:9:19: error: 'scanf_s' was not declared in this scope
   scanf_s("%d", &T);
                   ^
0_0_22139624_22957.cpp:14:39: error: 'scanf_s' was not declared in this scope
   scanf_s("%ld%ld", &a[i][0], &a[i][1]);
                                       ^