Submission #965910

#	Time	Username	Problem	Language	Result	Execution time	Memory
965910		vjudge1	Aliens (IOI16_aliens)	C++17	Compilation error	0 ms	0 KiB

aliens

#include <bits/stdc++.h>
using namespace std;
 
typedef long long i64;
typedef pair<int, int> pii;
#define ff first
#define ss second
#define MP make_pair
 
const int mxk = 220;
const int mxn = 1010;
const i64 inf = 1e18;
int a[mxn], p[mxn], n, k;
i64 dp[mxn][mxk], ls[mxn][mxk];
 
i64 kv(i64 a) { return a * a; }
 
void solve() {
	cin >> n >> k;
	for(int i = 0; i <= n; i++)
	for(int j = 0; j <= k; j++)
		dp[i][j] = inf;
 
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
		p[i] = p[i - 1] + a[i];
		dp[i][0] = kv(p[i]);
	}
 
	for(int i = 2; i <= n; i++)
	for(int j = 1; j <= k; j++) {
		for(int q = 1; q < i; q++)
		if(dp[i][j] > dp[q][j - 1] + kv(p[i] - p[q])) {
			dp[i][j] = dp[q][j - 1] + kv(p[i] - p[q]);
			ls[i][j] = q;
		}
	}
 
	cout << (kv(p[n]) - dp[n][k]) / 2 << endl;
 
	int last = ls[n][k];
	for(int i = k - 1; i >= 0; i--) {
		cout << last << ' ';
		last = ls[last][i];
	}
}
 
signed main() {
	#ifdef LOCAL
		auto start = chrono::high_resolution_clock::now();
	#endif
 
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	signed t = 1; // cin >> t;
	while(t--) solve();
	
	#ifdef LOCAL
		auto end = chrono::high_resolution_clock::now();
		cout << "\n"; for(int i = 0; i <= 20; ++i) cout << '-';
		cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
	#endif
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccTmz9EK.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccsirEJK.o:aliens.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccTmz9EK.o: in function `main':
grader.cpp:(.text.startup+0xf0): undefined reference to `take_photos(int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status