QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#252533#7627. PhonyfAKeZeroWA 1ms5880kbC++144.1kb2023-11-15 20:39:562023-11-15 20:39:56

Judging History

你现在查看的是最新测评结果

  • [2023-11-15 20:39:56]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:5880kb
  • [2023-11-15 20:39:56]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
inline long long read() {
  int w = 0;
  long long x = 0;
  char c = getchar();
  while (!isdigit(c)) w |= c == '-', c = getchar();
  while (isdigit(c)) x = x * 10 + c - '0', c = getchar();
  return w ? -x : x;
}
namespace star {
const int maxn = 2 * 5e5 + 10;
inline char gc() {
  char c = getchar();
  while (isspace(c)) c = getchar();
  return c;
}
int n, m;
long long k, a[maxn];
#define ls son[ro][0]
#define rs son[ro][1]
int son[maxn][2], siz[maxn], tot, rnd[maxn], rt1, rt2;
long long val[maxn];
inline int newnode(long long a) {
  val[++tot] = a, siz[tot] = 1, rnd[tot] = rand();
  return tot;
}
inline void pushup(const int &ro) { siz[ro] = siz[ls] + siz[rs] + 1; }
int merge(int a, int b) {
  if (!a or !b) return a | b;
  if (rnd[a] < rnd[b]) {
    son[a][1] = merge(son[a][1], b);
    pushup(a);
    return a;
  } else {
    son[b][0] = merge(a, son[b][0]);
    pushup(b);
    return b;
  }
}
void split(int ro, long long k, int &a, int &b) {
  if (!ro) return a = b = 0, void();
  if (val[ro] <= k)
    a = ro, split(rs, k, rs, b);
  else
    b = ro, split(ls, k, a, ls);
  pushup(ro);
}
inline void insert(int &rt, long long a) {
  int x, y;
  split(rt, a, x, y);
  rt = merge(merge(x, newnode(a)), y);
}
void splitsz(int ro, int k, int &a, int &b) {
  if (!ro) return a = b = 0, void();
  if (siz[ls] + 1 <= k)
    a = ro, splitsz(rs, k - siz[ls] - 1, rs, b);
  else
    b = ro, splitsz(ls, k, a, ls);
  pushup(ro);
}
inline void del(int &rt, int a) {
  int x, y, z;
  split(rt, a - 1, x, z);
  splitsz(z, 1, y, z);
  rt = merge(x, z);
}
long long get_max(int x) {
  while (son[x][1])
    x = son[x][1];
  return val[x];
}
inline long long kth(int ro, int a) {
  while (true) {
    // std::cerr << val[ro] << " ? " << std::endl;
    if (a <= siz[ls])
      ro = ls;
    else {
      a -= siz[ls];
      if (--a == 0) return val[ro];
      ro = rs;
    }
  }
}
#undef ls
#undef rs
void restore_dfs(int x) {
  if (!x)
    return;
  insert(rt1, val[x]);
  restore_dfs(son[x][0]);
  restore_dfs(son[x][1]);
}

inline void work() {
  n = read(), m = read(), k = read();
  for (int i = 1; i <= n; i++) a[i] = read();
  sort(a + 1, a + 1 + n);
  long long h = a[n] / k, i = n;
  while (i and a[i] / k == h) {
    insert(rt1, a[i] % k);
    i--;
  }
  int CNT = 0;
  while (m--) {
    // cerr<<"Before:"<<h<<' '<<siz[rt1]<<' '<<siz[rt2]<<endl;
    if (gc() == 'C') {
      long long t = read();
      if (t >= siz[rt1]) {
        t -= siz[rt1];
        // for (auto x : hold) del(rt2, x);
        int x;
        split(rt2, get_max(rt1), x, rt2);
        rt1 = merge(rt1, rt2);
        rt2 = 0;
        restore_dfs(x);
        // for (auto x : hold) insert(rt1, x);
        h--;
      }
      while (i and (h - a[i] / k) * siz[rt1] < t /* 这个用除法是不是会判少了*/ ) {
        assert(siz[rt2] == 0);
        t -= (h - a[i] / k) * siz[rt1];
        h = a[i] / k;
        insert(rt1, a[i] % k);
        i--;
      }
      h -= t / siz[rt1];
      // t -= (t / siz[rt1]) * siz[rt1];
      t %= siz[rt1];
      if (t) {
        int c;
        splitsz(rt1, siz[rt1] - t, rt1, c);
        rt2 = merge(c, rt2);
        t = 0;
        // cerr<<"rt2:"<<siz[rt1]<<' '<<siz[rt2]<<' '<<val[rt2]<<endl;
        while (i and a[i] / k >= h - 1) {
          // hold.push_back(a[i] % k);
          insert(rt2, a[i] % k);
          i--;
        }
      }
    } else {
      int x = read();
      ++CNT;
      if (CNT == 18)
        printf("??? CASE %d %d\n", x > siz[rt1] + siz[rt2], x > siz[rt1]);
      if (x > siz[rt1] + siz[rt2]) {
        printf("%lld\n", a[n - x + 1]);
      } else if (x > siz[rt1]) {
        // cerr<<"AAAAAAA:"<<h<<' '<<siz[rt1]<<'
        // '<<siz[rt2]-(x-siz[rt1])+1<<endl;
        printf("%lld\n", k * (h - 1) + kth(rt2, siz[rt2] - (x - siz[rt1]) + 1));
      } else
        printf("%lld\n", k * h + kth(rt1, siz[rt1] - x + 1));
    }
    // cerr<<"After:"<<h<<' '<<siz[rt1]<<' '<<siz[rt2]<<endl<<endl;
  }
}
}  // namespace star
signed main() {
  star::work();
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5820kb

input:

3 5 5
7 3 9
A 3
C 1
A 2
C 2
A 3

output:

3
4
-1

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 5820kb

input:

5 8 8
294 928 293 392 719
A 4
C 200
A 5
C 10
A 2
C 120
A 1
A 3

output:

294
200
191
0
-2

result:

ok 5 lines

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 5880kb

input:

100 100 233
5101 8001 6561 6329 6305 7745 4321 811 49 1121 3953 8054 8415 9876 6701 4097 6817 6081 495 5521 2389 2042 4721 8119 7441 7840 8001 5756 5561 129 1 5981 4801 7201 8465 7251 6945 5201 5626 3361 5741 3650 7901 2513 8637 3841 5621 9377 101 3661 5105 4241 5137 7501 5561 3581 4901 561 8721 811...

output:

6881
9161
4721
8200
2945
7647
7531
5291
5001
2042
4721
4721
6881
4097
7187
7218
7035
??? CASE 0 0
7035
811
6752
2561
6701
6118
6148
3581
5291
1485
5984
5404
2042
5313
5192
5249
4721
4921
4029
4097
4604
4836
4441
4720
2042
4438
4464
4615
4435
3581
4208
115
2042
4343
2042
4326
1485
4359
-17670

result:

wrong answer 18th lines differ - expected: '7018', found: '??? CASE 0 0'