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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#780247#9810. Obliviate, Then ReincarnateSkySummerWA 2008ms62184kbC++202.8kb2024-11-25 09:15:232024-11-25 09:15:24

Judging History

This is the latest submission verdict.

  • [2024-11-26 23:19:26]
  • hack成功,自动添加数据
  • (/hack/1260)
  • [2024-11-25 09:15:24]
  • Judged
  • Verdict: WA
  • Time: 2008ms
  • Memory: 62184kb
  • [2024-11-25 09:15:23]
  • Submitted

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define de(a) cout << #a << " = " << a << "\n"
#define deg(a) cout << #a << " = " << a << " "
const long double pi = acos(-1);
constexpr long double eps = 1e-12;
constexpr long long inf = 0x3f3f3f3f3f3f3f3f;
constexpr long long mod = 998244353;
constexpr int N = 1e6 + 10;
constexpr int dx[] = {0, 1, 0, -1}, dy[] = {1, 0, -1, 0};

void solve() {
    int n, m, q;
    cin >> n >> m >> q;

    auto mod = [&](int x) -> int {
        return ((x % n) + n) % n;
    };

    vector<vector<int>> nxt(n), rev(n);
    for (int i = 0; i < m; i++) {
        int a, b;
        cin >> a >> b;
        nxt[mod(a)].emplace_back(b);
        rev[mod(a + b)].emplace_back(mod(a));
    }

    vector<int> cnt(n), vis(n), find(n);
    map<int, map<int, pair<int, int>>> p;
    for (int i = 0; i < n; i++) {
        if (vis[i]) {
            continue;
        }

        queue<tuple<int, int, int>> q;
        q.emplace(i, i, i);
        vis[i] = 1;

        while (!q.empty()) {
            auto [now, mx, mn] = q.front();
            q.pop();

            map<int, int> mmx, mmn;
            for (auto x : nxt[now]) {
                int p = mod(now + x);
                vis[p] = 1;
                if (mmx.count(p)) {
                    mmx[p] = max(mmx[p], mx + x);
                } else {
                    mmx[p] = mx + x;
                }
                if (mmn.count(p)) {
                    mmn[p] = min(mmn[p], mn + x);
                } else {
                    mmn[p] = mn + x;
                }
            }

            for (auto [u, v] : mmx) {
                pair<int, int> s = {v, mmn[u]};
                if (!p[now].count(u)) {
                    p[now][u] = s;
                    q.emplace(u, v, mmn[u]);
                } else if (p[now][u] == s) {
                    continue;
                } else {
                    find[u] = 1;
                }
            }
        }
    }

    vector<int> ans(n);
    for (int i = 0; i < n; i++) {
        if (find[i]) {
            queue<int> q;
            q.emplace(i);
            ans[i] = 1;

            while (!q.empty()) {
                int now = q.front();
                q.pop();

                for (auto x : rev[now]) {
                    if (!ans[x]) {
                        ans[x] = 1;
                        q.emplace(x);
                    }
                }
            }
        }
    }

    while (q--) {
        int x;
        cin >> x;
        cout << (ans[mod(x)] ? "Yes\n" : "No\n");
    }
}

signed main() {
    ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);

    int T = 1;
    // cin >> T, cin.get();
    while (T--) {
        solve();
    }

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3784kb

input:

3 2 3
1 1
-1 3
1
2
3

output:

Yes
Yes
No

result:

ok 3 tokens

Test #2:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

3 2 3
1 1
-1 0
1
2
3

output:

No
No
No

result:

ok 3 tokens

Test #3:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

1 1 1
0 1000000000
-1000000000

output:

Yes

result:

ok "Yes"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

3 2 3
0 1000000000
1 -1000000000
-1000000000
0
-1000000000

output:

No
No
No

result:

ok 3 tokens

Test #5:

score: -100
Wrong Answer
time: 2008ms
memory: 62184kb

input:

50134 500000 500000
-154428638 -283522863
-186373509 -327130969
154999046 46750274
-933523447 349415487
-437683609 140099255
864996699 -262318199
811293034 -264299324
120273173 52410685
874944410 -52048424
445049930 -803690605
-138111276 -104634331
720288580 126597671
471164416 -348777147
-356502322...

output:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
...

result:

wrong answer 1st words differ - expected: 'No', found: 'Yes'