oj.uz

답안 #892756

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
892756 2023-12-25T21:29:00 Z raul2008487 게임 (IOI14_game) C++17
100 / 100
 306 ms 34828 KB 
#include<bits/stdc++.h>
#define ll long long
#define vl vector<ll>
#include "game.h"
using namespace std;
const int sz = 1505;
ll a[sz][sz];
struct DSU{
    vl e, ne;
    void init(ll n){
        e.assign(n+1, -1);
        ne.assign(n+1, 0);
    }
    ll base(ll x){
        if(e[x] < 0){
            return x;
        }
        return e[x] = base(e[x]);
    }
    bool unite(ll x, ll y){
        x = base(x);
        y = base(y);
        bool as = 0;
        if(x == y){assert(0);}
        if(e[x] > e[y]){
            swap(x, y);
        }
        a[x][y]++;
        a[y][x]++;
        ll nume = ne[x] + ne[y] + a[x][y];
        ll cd = e[x] + e[y];
        ll fe = (cd * (cd + 1) / 2);
        if(nume == fe){
            e[x] += e[y];
            e[y] = x;
            ne[x] = fe;
            for(int i = 0; i<e.size()-1; i++){
                if(a[i][y]){
                    a[i][x] += a[i][y];
                    a[x][i] += a[i][y];
                }
            }
            return true;
        }
        else{
            return 0;
        }

    }
};
DSU dsu;
void initialize(int n) {
    dsu.init(n);
    ll i, j;
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            a[i][j] = 0;
        }
    }
}
int hasEdge(int u, int v) {
    if(dsu.unite(u, v)){
        return 1;
    }
    return 0;
}
/*
5
0 2
0 4
1 3
3 4
0 3
0 1
4 1
1 2
4 2

*/

Compilation message

game.cpp: In member function 'bool DSU::unite(long long int, long long int)':
game.cpp:37:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |             for(int i = 0; i<e.size()-1; i++){
      |                            ~^~~~~~~~~~~
game.cpp:23:14: warning: unused variable 'as' [-Wunused-variable]
   23 |         bool as = 0;
      |              ^~

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2552 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2656 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct

Subtask #2
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4604 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4608 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 2 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4440 KB Output is correct
39 Correct 1 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 1 ms 4444 KB Output is correct
44 Correct 1 ms 4628 KB Output is correct
45 Correct 2 ms 4444 KB Output is correct
46 Correct 2 ms 4556 KB Output is correct
47 Correct 1 ms 4444 KB Output is correct
48 Correct 1 ms 4444 KB Output is correct
49 Correct 1 ms 4440 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 1 ms 4548 KB Output is correct
52 Correct 2 ms 4628 KB Output is correct
53 Correct 1 ms 4548 KB Output is correct
54 Correct 1 ms 4440 KB Output is correct

Subtask #3
58.0 / 58.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2448 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2408 KB Output is correct
13 Correct 1 ms 2408 KB Output is correct
14 Correct 1 ms 2400 KB Output is correct
15 Correct 1 ms 2408 KB Output is correct
16 Correct 1 ms 2408 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2404 KB Output is correct
19 Correct 1 ms 2404 KB Output is correct
20 Correct 1 ms 2408 KB Output is correct
21 Correct 1 ms 2404 KB Output is correct
22 Correct 1 ms 2408 KB Output is correct
23 Correct 0 ms 2408 KB Output is correct
24 Correct 0 ms 2400 KB Output is correct
25 Correct 1 ms 4440 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4440 KB Output is correct
32 Correct 1 ms 4444 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 2 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 1 ms 4444 KB Output is correct
39 Correct 2 ms 4444 KB Output is correct
40 Correct 1 ms 4444 KB Output is correct
41 Correct 1 ms 4548 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 2 ms 4444 KB Output is correct
44 Correct 2 ms 4444 KB Output is correct
45 Correct 1 ms 4444 KB Output is correct
46 Correct 2 ms 4444 KB Output is correct
47 Correct 2 ms 4556 KB Output is correct
48 Correct 2 ms 4444 KB Output is correct
49 Correct 1 ms 4444 KB Output is correct
50 Correct 1 ms 4444 KB Output is correct
51 Correct 2 ms 4444 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 1 ms 4444 KB Output is correct
54 Correct 2 ms 4444 KB Output is correct
55 Correct 28 ms 9992 KB Output is correct
56 Correct 29 ms 9812 KB Output is correct
57 Correct 38 ms 9976 KB Output is correct
58 Correct 29 ms 9808 KB Output is correct
59 Correct 29 ms 9812 KB Output is correct
60 Correct 29 ms 9816 KB Output is correct
61 Correct 29 ms 9820 KB Output is correct
62 Correct 29 ms 9816 KB Output is correct
63 Correct 28 ms 9820 KB Output is correct
64 Correct 32 ms 9900 KB Output is correct
65 Correct 36 ms 9944 KB Output is correct
66 Correct 28 ms 9808 KB Output is correct
67 Correct 29 ms 9816 KB Output is correct
68 Correct 29 ms 9808 KB Output is correct
69 Correct 34 ms 9816 KB Output is correct
70 Correct 29 ms 9820 KB Output is correct
71 Correct 29 ms 9820 KB Output is correct
72 Correct 28 ms 9808 KB Output is correct
73 Correct 29 ms 9820 KB Output is correct
74 Correct 28 ms 9772 KB Output is correct
75 Correct 35 ms 9908 KB Output is correct
76 Correct 65 ms 17740 KB Output is correct
77 Correct 74 ms 17720 KB Output is correct
78 Correct 73 ms 17744 KB Output is correct
79 Correct 65 ms 17744 KB Output is correct
80 Correct 65 ms 17740 KB Output is correct
81 Correct 84 ms 17736 KB Output is correct
82 Correct 73 ms 17880 KB Output is correct
83 Correct 64 ms 17744 KB Output is correct
84 Correct 64 ms 17748 KB Output is correct
85 Correct 118 ms 22068 KB Output is correct
86 Correct 114 ms 21844 KB Output is correct
87 Correct 114 ms 22100 KB Output is correct
88 Correct 112 ms 22024 KB Output is correct
89 Correct 114 ms 21844 KB Output is correct
90 Correct 117 ms 21880 KB Output is correct
91 Correct 112 ms 21960 KB Output is correct
92 Correct 120 ms 22004 KB Output is correct
93 Correct 112 ms 22252 KB Output is correct
94 Correct 270 ms 34820 KB Output is correct
95 Correct 288 ms 34700 KB Output is correct
96 Correct 275 ms 34700 KB Output is correct
97 Correct 262 ms 34828 KB Output is correct
98 Correct 266 ms 34644 KB Output is correct
99 Correct 281 ms 34696 KB Output is correct
100 Correct 306 ms 34744 KB Output is correct