View Compilation Error

0_0_37595347_10821.cpp: In function 'int main()':
0_0_37595347_10821.cpp:9:18: error: 'scanf_s' was not declared in this scope
  scanf_s("%d", &t);
                  ^
0_0_37595347_10821.cpp:30:1: error: expected '}' at end of input
 }
 ^