View Compilation Error

0_0_36332060_6688.cpp: In function 'void solve()':
0_0_36332060_6688.cpp:19:30: error: 'scanf_s' was not declared in this scope
  scanf_s("%d%d%d", &n, &m, &k);
                              ^
0_0_36332060_6688.cpp: In function 'int main()':
0_0_36332060_6688.cpp:48:18: error: 'scanf_s' was not declared in this scope
  scanf_s("%d", &T);
                  ^