Submission #19044

#	Time	Username	Problem	Language	Result	Execution time	Memory
19044		suhgyuho_william	Game (IOI14_game)	C++98	100 / 100	601 ms	31280 KiB

game

#include "game.h"
#include <algorithm>
#include <vector>

using namespace std;

int N;
int a[1510][1510];
vector<int> edge[1510];

void initialize(int n) {
	N = n;
	int i,j;

	for(i=1; i<=N; i++){
		for(j=1; j<=N; j++){
			a[i][j] = -1;
		}
		while(!edge[i].empty()) edge[i].pop_back();
		edge[i].push_back(i);
	}
}

int hasEdge(int u, int v) {
	int i,j;
	int v1,v2;
	int t1,t2;

	u++; v++;
	t1 = edge[u].size(); t2 = edge[v].size();
	for(i=0; i<t1; i++){
		for(j=0; j<t2; j++){
			v1 = edge[u][i];
			v2 = edge[v][j];
			if(v1 == u && v2 == v) continue;
			if(a[v1][v2] == -1){
				a[u][v] = a[v][u] = 0;
				return 0;
			}
		}
	}
	for(i=0; i<t1; i++){
		for(j=0; j<t2; j++){
			a[edge[u][i]][edge[v][j]] = a[edge[v][j]][edge[u][i]] = 1;
			edge[edge[u][i]].push_back(edge[v][j]);
			edge[edge[v][j]].push_back(edge[u][i]);
		}
	}

	return 1;
}

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 58 / 58