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답안 #1021252

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1021252 2024-07-12T16:19:10 Z vjudge1 Worst Reporter 4 (JOI21_worst_reporter4) C++17
100 / 100
 292 ms 103892 KB 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int long long
// #define double long double
#define pb push_back
 
#define endl '\n'
#define fastIO ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#define setmin(x, y) x = min((x), (y))
#define setmax(x, y) x = max((x), (y))
#define sqr(x) (x) * (x)
#define fi first
#define se second
 
mt19937 hdp(chrono::high_resolution_clock::now().time_since_epoch().count());
int rand(int l,int r){return l+((hdp()%(r-l+1))+r-l+1)%(r-l+1);}
 
const int N = 2e5 + 5;
const int mod = 998244353;
const int SQ = 450;
const int inf = 1e9;
const int bound = 1e7;
 
int A[N], H[N], C[N], deg[N];
map<int, int> cnt[N];

void merge(map<int, int>& a, map<int, int>& b)
{
    if (a.size() < b.size()) swap(a, b);
    for (auto t : b) a[t.fi] += t.se;
}

void fix(map<int, int>& a, int b, int c)
{
    a[b] += c; auto it = a.find(b);
    while (it != a.begin())
    {
        it--;
        if ((*it).se > c) {(*it).se -= c; break;}
        c -= (*it).se; it = a.erase(it);
    }
}

signed main()
{
    if (fopen("in.txt", "r")) {
        freopen("in.txt","r",stdin);
        freopen("out.txt","w",stdout);
    }
    fastIO
    int n, sum = 0; 
    cin >> n;
    for (int i = 1; i <= n; i++)
        cin >> A[i] >> H[i] >> C[i], sum += C[i], deg[A[i]]++;
    queue<int> q;
    for (int i = 1; i <= n; i++)
        if (!deg[i]) q.push(i);
    while (!q.empty())
    {
        int u = q.front(), crr = C[u]; q.pop();
        deg[A[u]]--;
        fix(cnt[u], H[u], C[u]);
        merge(cnt[A[u]], cnt[u]);
        if (!deg[A[u]]) q.push(A[u]);
    }
    for (int i = 1; i <= n; i++)
    {
        if (!deg[i]) continue;
        deg[i] = 0;
        map<int, int> all = cnt[i], cn;
        cn[H[i]] += C[i];
        for (int crr = A[i]; crr != i; crr = A[crr])
            merge(all, cnt[crr]), deg[crr] = 0, cn[H[crr]] += C[crr];
        for (auto t : cn) fix(all, t.fi, t.se);
        for (auto t : all) sum -= t.se;
    }
    cout << sum;
}

Compilation message

worst_reporter2.cpp: In function 'int main()':
worst_reporter2.cpp:62:28: warning: unused variable 'crr' [-Wunused-variable]
   62 |         int u = q.front(), crr = C[u]; q.pop();
      |                            ^~~
worst_reporter2.cpp:49:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |         freopen("in.txt","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
worst_reporter2.cpp:50:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |         freopen("out.txt","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB Output is correct
2 Correct 5 ms 9820 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 8 ms 11356 KB Output is correct
6 Correct 7 ms 10588 KB Output is correct
7 Correct 7 ms 10332 KB Output is correct
8 Correct 10 ms 11352 KB Output is correct
9 Correct 8 ms 10840 KB Output is correct
10 Correct 7 ms 10328 KB Output is correct
11 Correct 6 ms 10076 KB Output is correct
12 Correct 6 ms 9820 KB Output is correct
13 Correct 6 ms 9816 KB Output is correct
14 Correct 6 ms 10076 KB Output is correct
15 Correct 7 ms 9816 KB Output is correct
16 Correct 9 ms 11608 KB Output is correct
17 Correct 7 ms 10600 KB Output is correct
18 Correct 8 ms 10076 KB Output is correct
19 Correct 7 ms 10408 KB Output is correct
20 Correct 6 ms 10076 KB Output is correct
21 Correct 7 ms 10076 KB Output is correct
22 Correct 7 ms 10772 KB Output is correct
23 Correct 6 ms 10212 KB Output is correct
24 Correct 7 ms 10332 KB Output is correct
25 Correct 6 ms 10076 KB Output is correct
26 Correct 5 ms 9820 KB Output is correct
27 Correct 7 ms 10556 KB Output is correct
28 Correct 6 ms 10468 KB Output is correct
29 Correct 6 ms 10588 KB Output is correct
30 Correct 6 ms 10588 KB Output is correct
31 Correct 7 ms 10584 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB Output is correct
2 Correct 5 ms 9820 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 8 ms 11356 KB Output is correct
6 Correct 7 ms 10588 KB Output is correct
7 Correct 7 ms 10332 KB Output is correct
8 Correct 10 ms 11352 KB Output is correct
9 Correct 8 ms 10840 KB Output is correct
10 Correct 7 ms 10328 KB Output is correct
11 Correct 6 ms 10076 KB Output is correct
12 Correct 6 ms 9820 KB Output is correct
13 Correct 6 ms 9816 KB Output is correct
14 Correct 6 ms 10076 KB Output is correct
15 Correct 7 ms 9816 KB Output is correct
16 Correct 9 ms 11608 KB Output is correct
17 Correct 7 ms 10600 KB Output is correct
18 Correct 8 ms 10076 KB Output is correct
19 Correct 7 ms 10408 KB Output is correct
20 Correct 6 ms 10076 KB Output is correct
21 Correct 7 ms 10076 KB Output is correct
22 Correct 7 ms 10772 KB Output is correct
23 Correct 6 ms 10212 KB Output is correct
24 Correct 7 ms 10332 KB Output is correct
25 Correct 6 ms 10076 KB Output is correct
26 Correct 5 ms 9820 KB Output is correct
27 Correct 7 ms 10556 KB Output is correct
28 Correct 6 ms 10468 KB Output is correct
29 Correct 6 ms 10588 KB Output is correct
30 Correct 6 ms 10588 KB Output is correct
31 Correct 7 ms 10584 KB Output is correct
32 Correct 9 ms 11356 KB Output is correct
33 Correct 292 ms 94552 KB Output is correct
34 Correct 188 ms 54316 KB Output is correct
35 Correct 284 ms 94036 KB Output is correct
36 Correct 195 ms 54096 KB Output is correct
37 Correct 91 ms 27988 KB Output is correct
38 Correct 72 ms 22608 KB Output is correct
39 Correct 76 ms 16068 KB Output is correct
40 Correct 78 ms 16000 KB Output is correct
41 Correct 50 ms 16004 KB Output is correct
42 Correct 81 ms 16224 KB Output is correct
43 Correct 77 ms 16212 KB Output is correct
44 Correct 261 ms 103892 KB Output is correct
45 Correct 173 ms 59220 KB Output is correct
46 Correct 51 ms 21808 KB Output is correct
47 Correct 142 ms 35412 KB Output is correct
48 Correct 85 ms 21584 KB Output is correct
49 Correct 55 ms 21584 KB Output is correct
50 Correct 192 ms 52048 KB Output is correct
51 Correct 71 ms 27220 KB Output is correct
52 Correct 166 ms 35860 KB Output is correct
53 Correct 68 ms 21588 KB Output is correct
54 Correct 52 ms 15952 KB Output is correct
55 Correct 117 ms 42576 KB Output is correct
56 Correct 95 ms 38740 KB Output is correct
57 Correct 99 ms 39088 KB Output is correct
58 Correct 157 ms 47184 KB Output is correct
59 Correct 148 ms 47192 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9816 KB Output is correct
2 Correct 5 ms 9820 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9820 KB Output is correct
5 Correct 8 ms 11356 KB Output is correct
6 Correct 7 ms 10588 KB Output is correct
7 Correct 7 ms 10332 KB Output is correct
8 Correct 10 ms 11352 KB Output is correct
9 Correct 8 ms 10840 KB Output is correct
10 Correct 7 ms 10328 KB Output is correct
11 Correct 6 ms 10076 KB Output is correct
12 Correct 6 ms 9820 KB Output is correct
13 Correct 6 ms 9816 KB Output is correct
14 Correct 6 ms 10076 KB Output is correct
15 Correct 7 ms 9816 KB Output is correct
16 Correct 9 ms 11608 KB Output is correct
17 Correct 7 ms 10600 KB Output is correct
18 Correct 8 ms 10076 KB Output is correct
19 Correct 7 ms 10408 KB Output is correct
20 Correct 6 ms 10076 KB Output is correct
21 Correct 7 ms 10076 KB Output is correct
22 Correct 7 ms 10772 KB Output is correct
23 Correct 6 ms 10212 KB Output is correct
24 Correct 7 ms 10332 KB Output is correct
25 Correct 6 ms 10076 KB Output is correct
26 Correct 5 ms 9820 KB Output is correct
27 Correct 7 ms 10556 KB Output is correct
28 Correct 6 ms 10468 KB Output is correct
29 Correct 6 ms 10588 KB Output is correct
30 Correct 6 ms 10588 KB Output is correct
31 Correct 7 ms 10584 KB Output is correct
32 Correct 9 ms 11356 KB Output is correct
33 Correct 292 ms 94552 KB Output is correct
34 Correct 188 ms 54316 KB Output is correct
35 Correct 284 ms 94036 KB Output is correct
36 Correct 195 ms 54096 KB Output is correct
37 Correct 91 ms 27988 KB Output is correct
38 Correct 72 ms 22608 KB Output is correct
39 Correct 76 ms 16068 KB Output is correct
40 Correct 78 ms 16000 KB Output is correct
41 Correct 50 ms 16004 KB Output is correct
42 Correct 81 ms 16224 KB Output is correct
43 Correct 77 ms 16212 KB Output is correct
44 Correct 261 ms 103892 KB Output is correct
45 Correct 173 ms 59220 KB Output is correct
46 Correct 51 ms 21808 KB Output is correct
47 Correct 142 ms 35412 KB Output is correct
48 Correct 85 ms 21584 KB Output is correct
49 Correct 55 ms 21584 KB Output is correct
50 Correct 192 ms 52048 KB Output is correct
51 Correct 71 ms 27220 KB Output is correct
52 Correct 166 ms 35860 KB Output is correct
53 Correct 68 ms 21588 KB Output is correct
54 Correct 52 ms 15952 KB Output is correct
55 Correct 117 ms 42576 KB Output is correct
56 Correct 95 ms 38740 KB Output is correct
57 Correct 99 ms 39088 KB Output is correct
58 Correct 157 ms 47184 KB Output is correct
59 Correct 148 ms 47192 KB Output is correct
60 Correct 4 ms 9820 KB Output is correct
61 Correct 5 ms 9820 KB Output is correct
62 Correct 5 ms 9820 KB Output is correct
63 Correct 5 ms 9816 KB Output is correct
64 Correct 220 ms 55860 KB Output is correct
65 Correct 178 ms 38992 KB Output is correct
66 Correct 233 ms 54348 KB Output is correct
67 Correct 169 ms 38996 KB Output is correct
68 Correct 93 ms 24404 KB Output is correct
69 Correct 76 ms 20992 KB Output is correct
70 Correct 156 ms 24636 KB Output is correct
71 Correct 67 ms 15952 KB Output is correct
72 Correct 163 ms 28544 KB Output is correct
73 Correct 66 ms 16156 KB Output is correct
74 Correct 198 ms 36432 KB Output is correct
75 Correct 77 ms 22356 KB Output is correct
76 Correct 67 ms 22240 KB Output is correct
77 Correct 170 ms 36116 KB Output is correct
78 Correct 76 ms 22340 KB Output is correct
79 Correct 210 ms 55120 KB Output is correct
80 Correct 132 ms 35084 KB Output is correct
81 Correct 74 ms 21840 KB Output is correct
82 Correct 106 ms 28496 KB Output is correct
83 Correct 61 ms 15996 KB Output is correct
84 Correct 148 ms 31664 KB Output is correct
85 Correct 137 ms 31572 KB Output is correct
86 Correct 122 ms 28496 KB Output is correct
87 Correct 143 ms 31572 KB Output is correct
88 Correct 170 ms 31708 KB Output is correct