View Compilation Error

0_0_18486974_32536.cpp: In function 'int main()':
0_0_18486974_32536.cpp:44:33: error: 'sscanf_s' was not declared in this scope
     sscanf_s(s, "%d(%d)", &x, &y); data[num].time += x; wa += y;
                                 ^
0_0_18486974_32536.cpp:48:31: error: 'sscanf_s' was not declared in this scope
     ++ac; sscanf_s(s, "%d", &x); data[num].time += x;
                               ^