QOJ.ac

QOJ

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
#722039#9588. 可重集合GrenierWA 412ms7644kbC++172.1kb2024-11-07 17:32:222024-11-07 17:32:27

Judging History

你现在查看的是最新测评结果

  • [2024-11-07 17:32:27]
  • 评测
  • 测评结果:WA
  • 用时:412ms
  • 内存:7644kb
  • [2024-11-07 17:32:22]
  • 提交

answer

#include <algorithm>
#include <bitset>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <unordered_map>
#include <vector>

#define int long long
typedef long long ll;
typedef double db;
typedef std::pair<int, int> PII;

const int N = 5e3, F = 5e5 + 5;
struct group {
    int l, r;
    std::vector<int> p;
} sgt[N * 4 + 2];
std::vector<int> op, ans;
std::vector<PII> itv;
std::map<int, int> mp;

void build(int u, int l, int r) {
    if (l == r) {
        sgt[u] = {l, r};  // 修改3
        return;
    }
    sgt[u] = {l, r};
    int mid = (l + r) >> 1;
    build(u << 1, l, mid), build(u << 1 | 1, mid + 1, r);
}

void deal(int u, int x, int l, int r) {
    if (sgt[u].l >= l && sgt[u].r <= r) {
        sgt[u].p.push_back(x);
        return;
    }
    int mid = (sgt[u].l + sgt[u].r) >> 1;
    if (l <= mid) deal(u << 1, x, l, r);
    if (r > mid) deal(u << 1 | 1, x, l, r);
}

void dfs(int u, std::bitset<F> d) {
    for (auto i : sgt[u].p) {
        d |= (d << i);
    }
    if (sgt[u].l == sgt[u].r) {
        ans.push_back(d.count() - 1);  // 去掉0
        return;
    }
    dfs(u << 1, d), dfs(u << 1 | 1, d);
}

void solve() {
    int n;
    mp.clear(), op.clear(), itv.clear(), ans.clear();
    std::cin >> n;
    for (int i = 1; i <= n; i++) {
        int o, x;
        std::cin >> o >> x;
        if (o == 1) {
            op.push_back(x);
            mp[x] = op.size() - 1;
            itv.push_back({i, n});
        } else {
            itv[mp[x]].second = i - 1;
        }
    }
    build(1, 1, n);
    for (int i = 0; i < (int)op.size(); i++) {
        deal(1, op[i], itv[i].first, itv[i].second);
    }
    std::bitset<F> ini;
    ini[0] = 1;
    dfs(1, ini);
    for (auto i : ans) std::cout << i << std::endl;
}

signed main() {
    std::ios::sync_with_stdio(0);
    std::cin.tie(0), std::cout.tie(0);
    int times = 1;
    // std::cin >> times;
    while (times--) {
        solve();
    }
    return 0;
}

/*
4
1 100
1 999
1 10
2 100

7
1 1
1 2
1 1
1 4
1 5
2 1
2 4

*/

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 4996kb

input:

4
1 100
1 999
1 10
2 100

output:

1
3
7
3

result:

ok 4 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 5180kb

input:

7
1 1
1 2
1 1
1 4
1 5
2 1
2 4

output:

1
3
4
8
13
12
7

result:

ok 7 lines

Test #3:

score: -100
Wrong Answer
time: 412ms
memory: 7644kb

input:

5000
1 132200
2 132200
1 304115
1 119865
1 7246
1 23773
1 6583
2 6583
2 119865
1 13380
1 38501
2 7246
1 115933
2 115933
1 52649
1 48334
1 2824
1 9919
2 2824
1 9007
1 309
2 304115
1 41830
2 9919
1 153380
1 100177
1 2775
2 13380
1 2913
1 16644
1 1437
2 9007
2 309
1 10921
1 1853
1 170
2 23773
1 561
1 2...

output:

1
0
1
3
7
15
31
15
7
15
31
15
31
15
31
63
127
255
127
255
511
255
507
255
511
1023
2015
1007
2015
4031
8055
4031
2015
4031
7759
15515
7775
15387
30382
58433
108009
190146
111225
185051
285581
368440
423581
454204
396073
336717
213883
159845
245001
322194
254226
170951
93547
170423
268968
353531
4067...

result:

wrong answer 123rd lines differ - expected: '497093', found: '497118'