0_0_20613176_20333.cpp:2:25: error: stray '#' in program
using namespace std;#include<cstring>#include<stdio.h>double a[100005];int main(){ int i,j,k; int N; a[0]=0; a[1]=1; a[2]=3.0; for(i=3;i<100001;i++) { k=(1+i)/2; a[i]=a[k-1]+k-1+a[i-k]+i-k+1; } while(cin>>N) { printf("%.2lf\n",a[N]/N); } return 0;}
^
0_0_20613176_20333.cpp:2:42: error: stray '#' in program
using namespace std;#include<cstring>#include<stdio.h>double a[100005];int main(){ int i,j,k; int N; a[0]=0; a[1]=1; a[2]=3.0; for(i=3;i<100001;i++) { k=(1+i)/2; a[i]=a[k-1]+k-1+a[i-k]+i-k+1; } while(cin>>N) { printf("%.2lf\n",a[N]/N); } return 0;}
^
0_0_20613176_20333.cpp:2:26: error: 'include' does not name a type
using namespace std;#include<cstring>#include<stdio.h>double a[100005];int main(){ int i,j,k; int N; a[0]=0; a[1]=1; a[2]=3.0; for(i=3;i<100001;i++) { k=(1+i)/2; a[i]=a[k-1]+k-1+a[i-k]+i-k+1; } while(cin>>N) { printf("%.2lf\n",a[N]/N); } return 0;}
^
0_0_20613176_20333.cpp: In function 'int main()':
0_0_20613176_20333.cpp:2:115: error: 'a' was not declared in this scope
using namespace std;#include<cstring>#include<stdio.h>double a[100005];int main(){ int i,j,k; int N; a[0]=0; a[1]=1; a[2]=3.0; for(i=3;i<100001;i++) { k=(1+i)/2; a[i]=a[k-1]+k-1+a[i-k]+i-k+1; } while(cin>>N) { printf("%.2lf\n",a[N]/N); } return 0;}
^
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