Submission #1680773

---

Source Code Expand

#include <iostream>
#include <string>
using namespace std;

int main(){
 int N;
 int a[100000];
 unsigned __int64 ans=0;
 int num;
 int i;
 int j;
 int c;
 int temp;
 cin>>N;
 for(i=0;i<N*3;i++){
 	cin>>a[i];
 }
 
 for(i=0;i<N;i++){
 	num=i*3;
 	for(j=0;j<2;j++){
		for(c=0;c<2;c++){
 			if(a[num+c]>a[num+c+1]){
				temp=a[num+c+1];
				a[num+c+1]=a[num+c];
				a[num+c]=temp;
			}
		}
	}
 }
 
 for(i=1;i<N*3;i=i+3){
 	ans=ans+a[i];
 }
 
 cout<<ans;
 
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:19: error: expected initializer before ‘ans’
  unsigned __int64 ans=0;
                   ^
./Main.cpp:33:3: error: ‘ans’ was not declared in this scope
   ans=ans+a[i];
   ^
./Main.cpp:36:8: error: ‘ans’ was not declared in this scope
  cout<<ans;
        ^