Submission #48326

#	Time	Username	Problem	Language	Result	Execution time	Memory
48326		jeong	Game (IOI14_game)	C++17	15 / 100	3 ms	1444 KiB

game

#include <stdio.h>
#define N (1500)
int par[N], d[N], rd[N], e[N][N], m[N][N], nn;
void initialize(int n){
	nn=n;
	for(int i=0;i<n;i++){
		par[i]=i,d[i]=rd[i]=n-1;
		for(int j=0; j<n;j++)e[i][j]=i!=j,m[i][j]=0;
	}
}
int find(int x){if(par[x] == x)return x;return par[x] = find(par[x]);}
void f(int x){
	if(d[x] != 1)return;
	for(int i=0; i<nn; i++)if(find(i) == x && rd[i]){
		for(int j=0; j<nn; j++)if(e[i][j]){
			int y = find(j);
			d[x]=rd[i]=0;d[y]--;rd[j]--;
			par[x]=y;m[i][j]=m[j][i]=1;e[i][j]=e[j][i]=0;f(y);
			break;
		}
		break;
	}
}
int hasEdge(int u, int v){
	int a = find(u), b = find(v);
	if(m[u][v])return 1;
	d[a]--;d[b]--;
	rd[u]--;rd[v]--;
	e[u][v]=e[v][u]=0;
	f(a);f(b);
	return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 27
• Subtask 3: 0 / 58