Submission #901391

#	Time	Username	Problem	Language	Result	Execution time	Memory
901391		nxteru	Ancient Books (IOI17_books)	C++14	Compilation error	0 ms	0 KiB

books

#include <bits/stdc++.h>
using namespace std;
using ll =long long;
int p[10000005];
int main(void){
	int n,s;
	cin>>n>>s;
	ll ans=0;
	int ma=0;
	for(int i=0;i<n;i++){
		cin>>p[i];
		ans+=abs(p[i]-i);
		ma=max(ma,p[i]);
		if(ma<=i&&i<n-1)ans+=2;
	}
	cout<<ans<<endl;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cceJzppY.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cceXV9KZ.o:books.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cceJzppY.o: in function `main':
grader.cpp:(.text.startup+0x26b): undefined reference to `minimum_walk(std::vector<int, std::allocator<int> >, int)'
collect2: error: ld returned 1 exit status