Submission #242220

#	Time	Username	Problem	Language	Result	Execution time	Memory
242220		shenxy	Jousting tournament (IOI12_tournament)	C++11	0 / 100	18 ms	768 KiB

tournament

#include <algorithm>
#include <vector>
using namespace std;
int GetBestPosition(int N, int C, int R, int *K, int *S, int *E) {
	if (N > 5000) return 0;
	vector<int> adjlist[N + C], stuff;
	for (int i = 0; i < N; ++i) stuff.push_back(i);
	for (int i = 0; i < C; ++i) {
		for (int j = S[i]; j <= E[i]; ++j) adjlist[N + i].push_back(stuff[S[i]]), stuff.erase(stuff.begin() + S[i]);
		stuff.insert(stuff.begin() + S[i], N + i);
	}
	int dptable[N + C], ans = -1, mx = -1;
	for (int i = 0; i < N; ++i) {
		int sm = 0;
		fill_n(dptable, N + C, -1);
		for (int j = 0; j < N; ++j) {
			if (j < i) dptable[j] = K[j];
			else if (j == i) dptable[j] = R;
			else dptable[j] = K[j - 1];
		}
		for (int j = N; j < N + C; ++j) {
			dptable[j] = -1;
			for (int k: adjlist[j]) dptable[j] = max(dptable[j], dptable[k]);
			if (dptable[j] == R) ++sm;
		}
		if (sm > mx) sm = mx, ans = i;
	}
	return ans;
}

• Subtask 1: 0 / 17
• Subtask 2: 0 / 32
• Subtask 3: 0 / 51