Submission #1283244

#	Time	Username	Problem	Language	Result	Execution time	Memory
1283244		LM1	축제 (IOI25_festival)	C++20	Compilation error	0 ms	0 KiB

festival

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define ff first
#define ss second
#define pb push_back
#define vi vector<ll>
#define fr(i,ii,iii) for(ll i=ii;i<iii;i++)
const ll M=2e14;
bool srt(pair<pii,ll>a,pair<pii,ll>b){
	return(a.ff.ff*a.ff.ss-b.ff.ff*b.ff.ss<a.ff.ss*b.ff.ss*(a.ff.ff-b.ff.ff));
}
vector<ll> max_coupons(ll a,vector<ll>v,vector<ll>t){
	vi ans;
	vector<pair<pii,ll>>v1;
	fr(i,0,v.size()){
		v1.pb({{v[i],t[i]},i});
	}
	sort(v1.begin(),v1.end(),srt);
	for(auto i:v1){
		if((a-i.ff.ff)*i.ff.ss>=0){
			ans.pb(i.ss);
			if(a<M)a=(a-i.ff.ff)*i.ff.ss;
		}
		else break;
	}
	return ans;
}


//signed main() {
//  ll N, A;
//  assert(2 == scanf("%d %d", &N, &A));
//  std::vector<ll> P(N), T(N);
//  for (ll i = 0; i < N; i++)
//    assert(2 == scanf("%d %d", &P[i], &T[i]));
//  fclose(stdin);
//
//  std::vector<ll> R = max_coupons(A, P, T);
//
//  ll S = R.size();
//  prllf("%d\n", S);
//  for (ll i = 0; i < S; i++)
//    prllf("%s%d", (i == 0 ? "" : " "), R[i]);
//  prllf("\n");
//  fclose(stdout);
//
//  return 0;
//}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccJBHnTW.o: in function `main':
grader.cpp:(.text.startup+0x22a): undefined reference to `max_coupons(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status