oj.uz

Submission #641427

# Submission time Handle Problem Language Result Execution time Memory
641427 2022-09-16T17:24:11 Z MasterTaster Game (IOI14_game) C++14
100 / 100
 657 ms 78012 KB 
#include <iostream>
#include <set>
#include "game.h"

#define pb push_back
#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second

using namespace std;

int dsu[1510], rnk[1510], n, cnt[1510][1510];
set<pii> svi;

int root(int u)
{
    while (u!=dsu[u])
    {
        dsu[u]=dsu[dsu[u]];
        u=dsu[u];
    }
    return u;
}

void connect(int ru, int rv)
{
    //if (root(u)==root(v)) return;

    if (rnk[ru]<=rnk[rv])
    {
        if (rnk[ru]==rnk[rv]) rnk[rv]++;
        dsu[ru]=rv;
    }
    else
        dsu[rv]=ru;

    int r=root(ru);
    int pr=ru+rv-r;
    ///cout<<ru<<"+"<<rv<<"->"<<r<<endl;
    for (int i=0; i<n; i++) {
        cnt[i][r]+=cnt[i][pr];
        cnt[r][i]+=cnt[i][pr];
    }
}

void initialize(int N) {

    n=N;
    for (int i=0; i<n; i++) for (int j=0; j<n; j++) { if (i<j) svi.insert({i, j}); cnt[i][j]=1; }
    for (int i=0; i<n; i++) { dsu[i]=i; rnk[i]=1; }

}

void out()
{
    for (int i=0; i<n; i++) { for (int j=0; j<n; j++) if (i!=j) cout<<cnt[i][j]<<" "; else cout<<-1<<" "; cout<<endl; }
}

int hasEdge(int u, int v) {

    if (u>v) swap(u, v);
    int ru, rv; ru=root(u); rv=root(v);

    if (ru==rv) return 1;

    if (cnt[ru][rv]>1)
    {
        cnt[ru][rv]--;
        cnt[rv][ru]--;
        return 0;
    }
    else
    {
        connect(ru, rv);
        //out();
        return 1;
    }

    /*svi.erase({u, v});

    bool moze=true;
    for (auto par:svi)
    {
        int a, b; a=par.xx; b=par.yy;
        //cout<<a<<" "<<b<<" "<<root(a)<<" "<<root(b)<<" "<<ru<<" "<<rv<<endl;
        if ((root(a)==ru && root(b)==rv) || (root(a)==rv && root(b)==ru)) { moze=false; break; }
    }

    if (!moze) return 0;

    connect(u, v);
    return 1;*/
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 312 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 308 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 0 ms 308 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 312 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 440 KB Output is correct
29 Correct 1 ms 436 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 836 KB Output is correct
35 Correct 2 ms 724 KB Output is correct
36 Correct 2 ms 836 KB Output is correct
37 Correct 2 ms 852 KB Output is correct
38 Correct 2 ms 852 KB Output is correct
39 Correct 2 ms 852 KB Output is correct
40 Correct 3 ms 724 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 2 ms 828 KB Output is correct
43 Correct 2 ms 832 KB Output is correct
44 Correct 2 ms 852 KB Output is correct
45 Correct 2 ms 844 KB Output is correct
46 Correct 2 ms 724 KB Output is correct
47 Correct 3 ms 852 KB Output is correct
48 Correct 2 ms 852 KB Output is correct
49 Correct 2 ms 832 KB Output is correct
50 Correct 2 ms 724 KB Output is correct
51 Correct 2 ms 852 KB Output is correct
52 Correct 2 ms 832 KB Output is correct
53 Correct 2 ms 832 KB Output is correct
54 Correct 2 ms 764 KB Output is correct

Subtask #3
58.0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 308 KB Output is correct
12 Correct 1 ms 312 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 436 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 852 KB Output is correct
35 Correct 2 ms 832 KB Output is correct
36 Correct 2 ms 852 KB Output is correct
37 Correct 2 ms 852 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 832 KB Output is correct
40 Correct 2 ms 852 KB Output is correct
41 Correct 3 ms 828 KB Output is correct
42 Correct 3 ms 852 KB Output is correct
43 Correct 2 ms 852 KB Output is correct
44 Correct 2 ms 724 KB Output is correct
45 Correct 2 ms 828 KB Output is correct
46 Correct 2 ms 852 KB Output is correct
47 Correct 2 ms 840 KB Output is correct
48 Correct 2 ms 828 KB Output is correct
49 Correct 2 ms 852 KB Output is correct
50 Correct 2 ms 852 KB Output is correct
51 Correct 2 ms 852 KB Output is correct
52 Correct 2 ms 852 KB Output is correct
53 Correct 2 ms 852 KB Output is correct
54 Correct 3 ms 832 KB Output is correct
55 Correct 61 ms 11196 KB Output is correct
56 Correct 59 ms 11188 KB Output is correct
57 Correct 59 ms 11204 KB Output is correct
58 Correct 57 ms 11268 KB Output is correct
59 Correct 80 ms 11236 KB Output is correct
60 Correct 57 ms 11184 KB Output is correct
61 Correct 58 ms 11260 KB Output is correct
62 Correct 67 ms 11284 KB Output is correct
63 Correct 60 ms 11216 KB Output is correct
64 Correct 56 ms 11216 KB Output is correct
65 Correct 59 ms 11172 KB Output is correct
66 Correct 75 ms 11376 KB Output is correct
67 Correct 80 ms 11192 KB Output is correct
68 Correct 58 ms 11244 KB Output is correct
69 Correct 59 ms 11208 KB Output is correct
70 Correct 79 ms 11200 KB Output is correct
71 Correct 63 ms 11212 KB Output is correct
72 Correct 59 ms 11208 KB Output is correct
73 Correct 57 ms 11284 KB Output is correct
74 Correct 72 ms 11176 KB Output is correct
75 Correct 61 ms 11284 KB Output is correct
76 Correct 138 ms 23112 KB Output is correct
77 Correct 149 ms 23092 KB Output is correct
78 Correct 144 ms 23112 KB Output is correct
79 Correct 144 ms 23180 KB Output is correct
80 Correct 145 ms 23116 KB Output is correct
81 Correct 140 ms 23088 KB Output is correct
82 Correct 135 ms 23036 KB Output is correct
83 Correct 139 ms 23020 KB Output is correct
84 Correct 138 ms 23116 KB Output is correct
85 Correct 271 ms 37940 KB Output is correct
86 Correct 246 ms 38220 KB Output is correct
87 Correct 256 ms 38224 KB Output is correct
88 Correct 264 ms 37964 KB Output is correct
89 Correct 247 ms 38056 KB Output is correct
90 Correct 258 ms 38036 KB Output is correct
91 Correct 255 ms 38140 KB Output is correct
92 Correct 249 ms 37956 KB Output is correct
93 Correct 268 ms 37940 KB Output is correct
94 Correct 657 ms 77900 KB Output is correct
95 Correct 578 ms 77928 KB Output is correct
96 Correct 568 ms 78012 KB Output is correct
97 Correct 571 ms 77940 KB Output is correct
98 Correct 621 ms 77952 KB Output is correct
99 Correct 637 ms 77932 KB Output is correct
100 Correct 640 ms 77948 KB Output is correct