Submission #1304497

#	Time	Username	Problem	Language	Result	Execution time	Memory
1304497		disfyy	Race (IOI11_race)	C++20	Compilation error	0 ms	0 KiB

race

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
const ll N = 5e5 + 5;
const ll NN = 5e3 + 5;
const ll INF = 2e18 + 5;
const ll MOD = 1e9 + 7;
const ll P = 53;
const double eps = 1e-9;
ll a[N];

void solve() {
	ll n, k;
	cin >> n >> k;
	ll mx = (n - 1) * (n - 2);
	if(k > mx) {
		cout << -1;
		return;
	}
	for(int i = 0; i <= n - 2; i++) {
		cout << i << " " << i + 1 << '\n';
	}
	for(int i = 1; i <= n - 1; i++) {
		if(k) {
			if(k >= n - 2) {
				cout << n - 2 << " ";
				k -= (n - 2);
			} else {
				cout << k << " ";
			}
		} else {
			cout << 0 << " ";
		}
	}
}

signed main() {
	
	ios::sync_with_stdio(false);
	cin.tie(nullptr); cout.tie(nullptr);
	
	int test = 1;
	// cin >> test;
	for(int i = 1; i <= test; i++) {
		solve();
	}
	
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccOj18c1.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccRS0KwL.o:race.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccOj18c1.o: in function `main':
grader.cpp:(.text.startup+0x28): undefined reference to `best_path(int, int, int (*) [2], int*)'
collect2: error: ld returned 1 exit status