0_0_31390780_18805.cpp: In function 'int main()': 0_0_31390780_18805.cpp:16:30: error: 'in' was not declared in this scope scanf("%d %d",&n,&m);in ^ 0_0_31390780_18805.cpp:17:21: error: 'i' was not declared in this scope for(int i=1;i<=m;i++) ^