View Compilation Error

0_0_19216730_19577.cpp: In function 'int main()':
0_0_19216730_19577.cpp:29:19: error: 'scanf' was not declared in this scope
     scanf("%d", &t);
                   ^
0_0_19216730_19577.cpp:37:35: error: 'printf' was not declared in this scope
         printf("%d\n", res.g[0][1]);
                                   ^