QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#271009#7622. Yet Another CoffeewxhtzdyWA 1ms3556kbC++203.1kb2023-12-01 20:10:292023-12-01 20:10:30

Judging History

你现在查看的是最新测评结果

  • [2023-12-01 20:10:30]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3556kb
  • [2023-12-01 20:10:29]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

const int N = 2e5;
const int M = 20 * N;

int root[N], ls[M], rs[M], sum[M], cnt[M], tsz;

void Modify(int& x, int y, int l, int r, int p, int v) {
  x = ++tsz;
  ls[x] = ls[y];
  rs[x] = rs[y];
  sum[x] = sum[y] + v;
  cnt[x] = cnt[y] + 1;
  if (l == r) {
    return;
  }
  int mid = l + r >> 1;
  if (p <= mid) {
    Modify(ls[x], ls[y], l, mid, p, v);
  } else {
    Modify(rs[x], rs[y], mid + 1, r, p, v);
  }
}

int Walk(int x, int l, int r, int k) {
  if (l == r) {
    return l;
  }
  int mid = l + r >> 1;
  if (cnt[ls[x]] >= k) {
    return Walk(ls[x], l, mid, k);
  } else {
    return Walk(rs[x], mid + 1, r, k - cnt[ls[x]]);
  }
}

long long Query(int x, int l, int r, int ql, int qr) {
  if (ql <= l && r <= qr) {
    return sum[x];
  }
  int mid = l + r >> 1;
  if (qr <= mid) {
    return Query(ls[x], l, mid, ql, qr);
  } else if (ql > mid) {
    return Query(rs[x], mid + 1, r, ql, qr);
  } else {
    return Query(ls[x], l, mid, ql, qr) + Query(rs[x], mid + 1, r, ql, qr);
  }
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int tt;
  cin >> tt;
  while (tt--) {
    int n, m;
    cin >> n >> m;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
      cin >> a[i];
    }
    vector<int> r(m), w(m);
    for (int i = 0; i < m; i++) {
      cin >> r[i] >> w[i];
      --r[i];
    }
    vector<long long> suff(n);
    for (int i = 0; i < m; i++) {
      suff[r[i]] += w[i];
    }
    for (int i = n - 2; i >= 0; i--) {
      suff[i] += suff[i + 1];
    }
    vector<int> order(n);
    iota(order.begin(), order.end(), 0);
    sort(order.begin(), order.end(), [&](int i, int j) {
      return a[i] < a[j];
    });
    vector<int> pos(n);
    for (int i = 0; i < n; i++) {
      pos[order[i]] = i;
    }
    while (tsz > 0) {
      ls[tsz] = 0;
      rs[tsz] = 0;
      sum[tsz] = 0;
      cnt[tsz] = 0;
      tsz--;
    }
    for (int i = n - 1; i >= 0; i--) {
      if (i + 1 == n) {
        root[i] = 0;
      } else {
        root[i] = root[i + 1];
      }
      Modify(root[i], root[i], 0, n - 1, pos[i], a[i]);
    }
    auto F = [&](int k, int i) {
      if (n - i < k) {
        return (long long) 1e18;
      }
      if (k == 1) {
        return a[i] - suff[i];
      }
      int p = Walk(root[i + 1], 0, n - 1, k - 1);
      return a[i] - suff[i] + Query(root[i + 1], 0, n - 1, 0, p);
    };
    vector<long long> res(n + 1);
    function<void(int, int, int, int)> Solve = [&](int l, int r, int L, int R) {
      if (l > r) {
        return;
      }
      int mid = l + r >> 1;
      int opt = L;
      long long val = F(mid, L);
      for (int i = L + 1; i <= R; i++) {
        long long cur = F(mid, i);
        if (cur < val) {
          val = cur;
          opt = i;
        }
      }
      res[mid] = val;
      Solve(l, mid - 1, opt, R);
      Solve(mid + 1, r, L, opt);
    };
    Solve(1, n, 0, n - 1);
    for (int i = 1; i <= n; i++) {
      cout << res[i] << " ";
    }
    cout << '\n';
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3556kb

input:

5
10 14
17 37 59 65 53 73 68 177 160 111
10 177
5 193
2 30
3 63
2 339
3 263
5 178
2 190
9 23
10 328
10 200
9 8
3 391
6 230
12 9
152 306 86 88 324 59 18 14 42 260 304 55
3 50
2 170
1 252
7 811
1 713
7 215
10 201
4 926
8 319
19 20
182 74 180 201 326 243 195 31 170 263 284 233 48 166 272 281 179 116 31...

output:

-2596 -2559 -2506 -2447 -2382 -2314 -2241 -2130 -1970 -1793 
-3505 -3491 -3473 -3431 -3376 -3317 -3231 -3143 -2883 -2579 -2273 -1949 
-6527 -6496 -6448 -6374 -6258 -6092 -5922 -5743 -5563 -5368 -5167 -4934 -4691 -4428 -4156 -3875 -3591 -3272 -2946 
-3219 -2987 -2572 -2140 -1707 -1238 -768 -274 243 1...

result:

ok 70 numbers

Test #2:

score: 0
Accepted
time: 1ms
memory: 3488kb

input:

2
5 2
1 2 3 4 5
3 1
4 2
7 3
4 3 1 10 3 8 6
4 9
3 8
4 5

output:

-2 0 3 7 12 
-21 -18 -15 -11 -5 3 13 

result:

ok 12 numbers

Test #3:

score: 0
Accepted
time: 1ms
memory: 3468kb

input:

8
1 0
72916
9 11
130289 240521 653024 625847 679075 529899 486802 540872 353600
2 5400
2 257841
6 48161
3 71484
9 156788
3 181910
4 45589
6 210869
5 70426
9 87059
5 115764
8 7
634608 412120 360938 425426 825551 138578 678304 747502
2 235317
4 281859
5 553042
8 295615
8 32014
8 755313
4 439284
19 10
...

output:

72916 
-1121002 -880481 -526881 -40079 489820 1030692 1656539 2309563 2988638 
-2180324 -2041746 -1680808 -1255382 -620774 57530 805032 1630583 
-1025384 -1022941 -1018403 -1013731 -1006580 -998875 -987675 -970496 -953098 -932654 -909692 -886331 -862054 -835158 -807901 -779123 -747157 -713222 -67928...

result:

ok 85 numbers

Test #4:

score: -100
Wrong Answer
time: 0ms
memory: 3496kb

input:

5
18 24
561699155 345484852 420718917 108291879 553918474 392861085 299874093 28528146 248352314 398850144 248444258 89834833 251398697 101739017 240342391 320200928 481962939 343719433
5 354704
6 9355942
7 7098134
16 38746862
15 35848885
14 42058214
15 18411581
9 23207206
18 19518309
14 20707458
13...

output:

-416165974 -387637828 -297802995 -196063978 44278413 292630727 541074985 792473682 1079767658 1379641751 1699842679 2043562112 2436423197 2835273341 3255992258 3737955197 4291873671 4853572826 
335919368 705602908 
146524143 438492672 
-3870833640 -3817930784 -3749728771 -3627446160 -3471700060 -322...

result:

wrong answer 35th numbers differ - expected: '-986359239', found: '-5281326535'