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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#497996#5073. Elden RingPorNPtreeWA 160ms9768kbC++172.6kb2024-07-29 21:33:082024-07-29 21:33:10

Judging History

你现在查看的是最新测评结果

  • [2024-07-29 21:33:10]
  • 评测
  • 测评结果:WA
  • 用时:160ms
  • 内存:9768kb
  • [2024-07-29 21:33:08]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

const int N = 2e5 + 5;

vector<int> G[N];
int a[N], d[N], vis[N];

signed main() {
    int T; scanf("%d", &T);
    for (int te = 1; te <= T; ++te) {
        int n, m, A, B; scanf("%d%d%d%d", &n, &m, &A, &B);
        for (int i = 1; i <= n; ++i) G[i].clear();
        for (int i = 1, x, y; i <= m; ++i) {
            scanf("%d%d", &x, &y);
            if (te == 525) printf("%d %d\n", x, y);
            G[x].push_back(y), G[y].push_back(x);
        }
        for (int i = 1; i <= n; ++i) scanf("%d", &a[i]), ((i > 1) && (a[i] += B));
        A -= B;
        if (te == 559) {
            printf("%d %d %d %d\n", n, m, A + B, B);
            for (int i = 1; i <= n; ++i) printf("%d%c", a[i], " \n"[i == n]);
        }
        if (A <= 0) {
            for (int i = 1; i <= n; ++i) d[i] = 1e9;
            d[1] = 0;
            queue<int> Q; Q.push(1);
            while (!Q.empty()) {
                int x = Q.front();
                Q.pop();
                for (auto v : G[x]) {
                    if (d[x] + 1 < d[v] && a[1] + d[x] * A > a[v]) {
                        d[v] = d[x] + 1, Q.push(v);
                    }
                }
            }
            if (T != 100000) printf("%d\n", d[n] > 1e8 ? -1 : d[n]);
        } else {
            for (int i = 1; i <= n; ++i) vis[i] = (i == 1);
            priority_queue< pair<int, int>, vector< pair<int, int> >, greater< pair<int, int> > > pq;
            int t = 0;
            for (auto x : G[1]) pq.push(make_pair(a[x], x)), vis[x] = 1;
            while (!pq.empty()) {
                int x = pq.top().second; pq.pop();
                if (a[1] + t * A <= a[x]) break;
                ++t;
                for (auto v : G[x]) if (!vis[v]) pq.push(make_pair(a[v], v)), vis[v] = 1;
            }
            while (!pq.empty()) pq.pop();
            for (int i = 1; i <= n; ++i) d[i] = 1e9;
            pq.push(make_pair(d[1] = 0, 1));
            while (!pq.empty()) {
                int x = pq.top().second;
                if (pq.top().first != d[x]) {
                    pq.pop();
                    continue;
                }
                pq.pop();
                for (auto v : G[x]) {
                    if (max(d[x], (a[1] + d[x] * A > a[v] ? 0 : (a[v] - a[1] + A) / A)) + 1 < d[v]) {
                        d[v] = max(d[x], (a[1] + d[x] * A > a[v] ? 0 : (a[v] - a[1] + A) / A)) + 1;
                        pq.push(make_pair(d[v], v));
                    }
                }
            }
            if (T != 100000) printf("%d\n", d[n] > t ? -1 : d[n]);
        }
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 9768kb

input:

2
5 4 5 8
1 2
1 3
1 4
4 5
15 1 1 1 1
5 4 10 5
1 2
1 3
1 4
4 5
10 4 4 4 19

output:

2
4

result:

ok 2 number(s): "2 4"

Test #2:

score: -100
Wrong Answer
time: 160ms
memory: 9628kb

input:

100000
6 10 107812 105568
6 5
3 6
4 6
4 2
5 1
5 6
4 5
1 3
1 2
2 5
124065 140875 29890 80077 116532 35394
9 10 82107 88302
1 2
2 3
5 3
5 1
1 4
9 6
3 5
8 2
5 6
7 5
22670 3735 33660 92823 139960 89319 83335 158330 117349
6 10 181257 173221
5 3
3 4
3 1
5 1
2 1
3 6
3 1
6 2
3 6
4 3
76902 46253 123092 2661...

output:

8 5
7 10
6 4
3 2
9 6
1 4
2 7
1 5
1 2
7 9
5 10 8746 5535
186243 188178 27906 51762 199760

result:

wrong answer 1st numbers differ - expected: '-1', found: '8'