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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#91553#4421. TaxiWTR2007WA 221ms12128kbC++201.8kb2023-03-29 03:47:382023-03-29 03:47:40

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-29 03:47:40]
  • 评测
  • 测评结果:WA
  • 用时:221ms
  • 内存:12128kb
  • [2023-03-29 03:47:38]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define MULT_TEST 1
using namespace std;
typedef unsigned long long ull;
const int INF = 0x3f3f3f3f;
const int MOD = 998244353;
inline int read() {
    int w = 0, f = 1;
    char ch = getchar();
    while (ch < '0' || ch > '9') {
        if(ch == '-') f = -1;
        ch = getchar();
    }
    while (ch >= '0' && ch <= '9') {
        w = (w << 1) + (w << 3) + ch - 48;
        ch = getchar();
    }
    return w * f;
}
inline void Solve() {
    int n, q;
    n = read(); q = read();
    vector<array<int, 3>> E;
    vector<array<int, 4>> maxn(n + 2);
    E.push_back({0, 0, 0});
    for (int i = 1; i <= n; i++) {
        int x = read(), y = read(), w = read();
        E.push_back({w, x, y});
    }
    sort(E.begin(), E.end());
    maxn[n + 1][0] = maxn[n + 1][1] = maxn[n + 1][2] = maxn[n + 1][3] = -INF;
    for (int i = n; i >= 1; i--) {
        maxn[i][0] = max(maxn[i + 1][0], - E[i][1] - E[i][2]);
        maxn[i][1] = max(maxn[i + 1][1], E[i][1] - E[i][2]);
        maxn[i][2] = max(maxn[i + 1][2], E[i][1] + E[i][2]);
        maxn[i][3] = max(maxn[i + 1][3], - E[i][1] + E[i][2]);
    }
    while (q--) {
        int tx = read(), ty = read();
        int l = 1, r = n + 1, ans = 0;
        auto Calc = [&](int x) {
            int m1 = max(tx + ty + maxn[x][0], tx - ty + maxn[x][3]);
            int m2 = max(- tx + ty + maxn[x][1], - tx - ty + maxn[x][2]);
            return max(m1, m2);
        };
        while (l < r) {
            int mid = (l + r) >> 1;
            if (E[mid][0] < Calc(mid)) ans = max(ans, E[mid][0]), l = mid + 1;
            else ans = max(ans, Calc(mid)), r = mid - 1;
        }
        printf("%lld\n", ans);
    }
}
signed main() {
    int T = 1;
#if MULT_TEST
    T = read();
#endif 
    while (T--) Solve();
    return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 221ms
memory: 12128kb

input:

75
1000 1000
205432745 470548752 641881064
972832623 639054913 762973519
678871215 803867430 118261958
833419731 349421812 375017045
561177932 673829619 184524659
764937037 83708877 781504446
347223352 714500823 323457000
398512793 494262891 64649652
138888103 741302375 289501778
306141751 893073089...

output:

983867956
983867956
999931280
889296369
996195073
950644260
999931280
996195073
993151028
999931280
997021372
997021372
997021372
996195073
994277211
999931280
994277211
997021372
996195073
996195073
986381060
996195073
993475197
996195073
999931280
996195073
999931280
994277211
997021372
999931280
...

result:

wrong answer 4th lines differ - expected: '889687839', found: '889296369'