Submission #655648

#	Time	Username	Problem	Language	Result	Execution time	Memory
655648		zegna12	Jelly Flavours (IOI20_jelly)	C++17	Compilation error	0 ms	0 KiB

jelly

#include <bits/stdc++.h>
// #include <atcoder/all>
// using namespace atcoder;
typedef long long int ll; typedef long double ld; using namespace std; const ll mod = 1e9 + 7, inf = 1e18, maxn = 1e5;

int find_maximum_unique(int X, int Y, vector<int> a, vector<int> b) {
	int N = X + 2 * Y, M = a.size() & 1;
	for (auto& x : b)
		x *= 2;
	vector<vector<int>> dp(2, vector<int> (N + 1, 0));
	for (int _ = 0; _ < (int)a.size(); ++_) {
		int x = a[_];
		int y = b[_];
		for (int j = N; j >= x; --j)
			dp[_ & 1][j] = max(dp[_ & 1][j], dp[(_ & 1) ^ 1][j - x] + 1);
		for (int j = N; j >= y; --j)
			dp[_ & 1][j] = max(dp[_ & 1][j], dp[(_ & 1) ^ 1][j - y] + 1);
	}
	return *max_element(dp[M].begin(), dp[M].end());
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << fixed << setprecision(20);
	// freopen ("hps.in", "r", stdin);
	// freopen ("hps.out", "w", stdout);
	// cout << find_maximum_unique(2, 3, {2, 1, 4}, {2, 3, 2}) << "\n";
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc4CeHFj.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccTy64wj.o:jelly.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status