0_0_35265329_28202.cpp: In function 'int main()': 0_0_35265329_28202.cpp:11:38: error: 'scanf_s' was not declared in this scope #define scc(x,y) scanf_s("%d%d",&x,&y) ^ 0_0_35265329_28202.cpp:123:2: note: in expansion of macro 'scc' scc(n, m); ^