제출 #27999

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
27999	2017-07-14 15:30:15	zoomswk	Game (IOI14_game)	C++14	100 / 100	723 ms	18764 KiB

game

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#include "game.h"
int cnt[1505][1505];
int id[1505];
int sz[1505];
int N;
void initialize(int n) {
    N = n;
    for(int i=0; i<n; i++) sz[i] = 1, id[i] = i;
    return;
}
int hasEdge(int u, int v){
    u = id[u], v = id[v];
    if(cnt[u][v] == sz[u]*sz[v]-1){
        // merge v into u
        for(int i=0; i<N; i++) cnt[i][u] += cnt[i][v];
        for(int i=0; i<N; i++) cnt[u][i] += cnt[v][i];
        for(int i=0; i<N; i++) if(id[i] == v) id[i] = u;
        sz[u] += sz[v];
        return 1;
    }
    cnt[u][v]++, cnt[v][u]++;
    return 0;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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