Submission #68761707

Source Code Expand

#include <bits/stdc++.h>
#define int long long
using namespace std;

const int N = 2e5+5;

int p[N];
int vv[N];
int f[N];

int find(int x) {
    if (p[x] == x) return x;
    return p[x] = find(p[x]);
}

signed main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    ///
    int n, q;
    cin >> n >> q;
    for (int i = 0; i <= n; ++i) p[i] = i;

    while (q--) {
        int c, u, v;
        cin >> c >> u;
        if (c == 1) cin >> v;

        if (c == 1) {
            int gu = find(u);
            int gv = find(v);
            if (gu == gv) continue;
            p[gv] = gu;
            f[gu] += f[gv];
        }
        if (c == 2) {
            int ch = 1-2*vv[u];
            int gu = find(u);
            f[gu] += ch;
            vv[u] += ch;
        }
        if (c == 3) {
            int g = find(u);
            if (f[g]) cout << "Yes\n";
            else cout << "No\n";
        }
    }
}

Submission Info

Submission Time
Task E - Reachability Query
User PabloNo
Language C++ 20 (gcc 12.2)
Score 450
Code Size 965 Byte
Status AC
Exec Time 128 ms
Memory 8328 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 450 / 450
Status
AC × 1
AC × 85
Set Name Test Cases
Sample sample_01.txt
All sample_01.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45.txt, test_46.txt, test_47.txt, test_48.txt, test_49.txt, test_50.txt, test_51.txt, test_52.txt, test_53.txt, test_54.txt, test_55.txt, test_56.txt, test_57.txt, test_58.txt, test_59.txt, test_60.txt, test_61.txt, test_62.txt, test_63.txt, test_64.txt, test_65.txt, test_66.txt, test_67.txt, test_68.txt, test_69.txt, test_70.txt, test_71.txt, test_72.txt, test_73.txt, test_74.txt, test_75.txt, test_76.txt, test_77.txt, test_78.txt, test_79.txt, test_80.txt, test_81.txt, test_82.txt, test_83.txt, test_84.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 3508 KiB
test_01.txt AC 1 ms 3432 KiB
test_02.txt AC 1 ms 3512 KiB
test_03.txt AC 41 ms 3512 KiB
test_04.txt AC 42 ms 3456 KiB
test_05.txt AC 36 ms 3500 KiB
test_06.txt AC 54 ms 3508 KiB
test_07.txt AC 51 ms 3536 KiB
test_08.txt AC 57 ms 3480 KiB
test_09.txt AC 45 ms 3512 KiB
test_10.txt AC 51 ms 3528 KiB
test_11.txt AC 49 ms 3500 KiB
test_12.txt AC 47 ms 3532 KiB
test_13.txt AC 44 ms 3524 KiB
test_14.txt AC 55 ms 3464 KiB
test_15.txt AC 58 ms 3508 KiB
test_16.txt AC 48 ms 3532 KiB
test_17.txt AC 48 ms 3456 KiB
test_18.txt AC 52 ms 3432 KiB
test_19.txt AC 54 ms 3400 KiB
test_20.txt AC 42 ms 3492 KiB
test_21.txt AC 106 ms 8124 KiB
test_22.txt AC 115 ms 8328 KiB
test_23.txt AC 105 ms 8124 KiB
test_24.txt AC 104 ms 8260 KiB
test_25.txt AC 102 ms 8200 KiB
test_26.txt AC 108 ms 8256 KiB
test_27.txt AC 105 ms 8104 KiB
test_28.txt AC 104 ms 8100 KiB
test_29.txt AC 105 ms 8100 KiB
test_30.txt AC 101 ms 8268 KiB
test_31.txt AC 107 ms 8320 KiB
test_32.txt AC 97 ms 8204 KiB
test_33.txt AC 107 ms 8196 KiB
test_34.txt AC 98 ms 8200 KiB
test_35.txt AC 96 ms 8140 KiB
test_36.txt AC 99 ms 8256 KiB
test_37.txt AC 109 ms 8192 KiB
test_38.txt AC 112 ms 8200 KiB
test_39.txt AC 118 ms 8200 KiB
test_40.txt AC 96 ms 8168 KiB
test_41.txt AC 105 ms 8192 KiB
test_42.txt AC 110 ms 8324 KiB
test_43.txt AC 115 ms 8164 KiB
test_44.txt AC 113 ms 8108 KiB
test_45.txt AC 112 ms 8120 KiB
test_46.txt AC 118 ms 8204 KiB
test_47.txt AC 122 ms 8196 KiB
test_48.txt AC 109 ms 8168 KiB
test_49.txt AC 116 ms 8264 KiB
test_50.txt AC 115 ms 8120 KiB
test_51.txt AC 106 ms 8196 KiB
test_52.txt AC 111 ms 8292 KiB
test_53.txt AC 116 ms 8200 KiB
test_54.txt AC 128 ms 8124 KiB
test_55.txt AC 120 ms 8104 KiB
test_56.txt AC 114 ms 8200 KiB
test_57.txt AC 109 ms 8068 KiB
test_58.txt AC 105 ms 8196 KiB
test_59.txt AC 111 ms 8000 KiB
test_60.txt AC 114 ms 8260 KiB
test_61.txt AC 82 ms 8324 KiB
test_62.txt AC 92 ms 8184 KiB
test_63.txt AC 92 ms 8200 KiB
test_64.txt AC 85 ms 8068 KiB
test_65.txt AC 87 ms 8164 KiB
test_66.txt AC 80 ms 8200 KiB
test_67.txt AC 82 ms 8196 KiB
test_68.txt AC 89 ms 8204 KiB
test_69.txt AC 66 ms 4408 KiB
test_70.txt AC 88 ms 6100 KiB
test_71.txt AC 66 ms 4424 KiB
test_72.txt AC 111 ms 7952 KiB
test_73.txt AC 88 ms 6252 KiB
test_74.txt AC 97 ms 6976 KiB
test_75.txt AC 82 ms 5864 KiB
test_76.txt AC 59 ms 5380 KiB
test_77.txt AC 115 ms 8100 KiB
test_78.txt AC 119 ms 8108 KiB
test_79.txt AC 111 ms 8104 KiB
test_80.txt AC 111 ms 8256 KiB
test_81.txt AC 115 ms 8260 KiB
test_82.txt AC 113 ms 8324 KiB
test_83.txt AC 113 ms 8124 KiB
test_84.txt AC 113 ms 8200 KiB