0_0_35263699_32693.cpp: In function 'int main()': 0_0_35263699_32693.cpp:9:38: error: 'scanf_s' was not declared in this scope #define scc(x,y) scanf_s("%d%d",&x,&y) ^ 0_0_35263699_32693.cpp:118:2: note: in expansion of macro 'scc' scc(n, m); ^