View Compilation Error

0_0_38000027_6606.cpp: In function 'void solve()':
0_0_38000027_6606.cpp:163:25: error: 'scanf_s' was not declared in this scope
  scanf_s("%d %d", &n, &q);
                         ^
0_0_38000027_6606.cpp: In function 'int main()':
0_0_38000027_6606.cpp:226:18: error: 'scanf_s' was not declared in this scope
  scanf_s("%d", &t);
                  ^