Submission #1278349

#	Time	Username	Problem	Language	Result	Execution time	Memory
1278349		dang_minh_duc	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

#include <bits/stdc++.h>
#include "souvenirs.h"
#define int long long
using namespace std;
void buy_souvenirs(int n, long long P0){
    vector<int>cnt(n, 0), p(n, 0);
    p[0]=P0;
    for (int i=0;i<n-1;i++) {
        if (p[i+1]) continue;
        auto [arr, d]=transaction(p[i]-1);
        if (d==1 || arr.size()==2) p[i+1]=p[i]-2;
        else p[i+1]=p[i]-1;
        for (int x:arr) cnt[x]++;
    }
    for (int i=1;i<n;i++) {
        for (int j=cnt[i]+1;j<=i;j++) transaction(p[i]);
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cctGIE0g.o: in function `main':
stub.cpp:(.text.startup+0x99): undefined reference to `buy_souvenirs(int, long long)'
collect2: error: ld returned 1 exit status