Submission #657594

#	Time	Username	Problem	Language	Result	Execution time	Memory
657594		TimDee	A Difficult(y) Choice (BOI21_books)	C++17	Compilation error	0 ms	0 KiB

books

#include"books.h"
#include <bits/stdc++.h>
using namespace std;
void solve(int n, int k, int A, int s) {
	if (s!=n) return;
	vector<int> a(n);
	for (int i=0; i<n; ++i) a[i]=skim(i+1);
	if (k==3) {

		for (int i=0; i<n; ++i) {
			for (int j=i+1; j<n; ++j) {
				int l=j+1, r=n;
				while (l<r) {
					int mid=(l+r)>>1;
					if (a[i]+a[j]+a[mid]<A) l=mid+1;
					else r=mid;
				}
				if (a[i]+a[j]+a[r]<=2*A) {
					answer({i+1,j+1,r+1});
					return;
				}
			}
		}
		impossible();

	}
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccqPIvYK.o: in function `main':
grader.cpp:(.text.startup+0x83): undefined reference to `solve(int, int, long long, int)'
collect2: error: ld returned 1 exit status