oj.uz

답안 #1010331

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1010331 2024-06-28T19:48:10 Z AdamGS Worst Reporter 4 (JOI21_worst_reporter4) C++17
100 / 100
 217 ms 58688 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2e5+7;
vector<int>V[LIM];
ll A[LIM], T[LIM], C[LIM], odw[LIM], cykl[LIM], root[LIM], ile[LIM];
void DFS(int x) {
  ile[x]=1;
  for(auto i : V[x]) {
    DFS(i);
    ile[x]+=ile[i];
  }
  rep(i, V[x].size()) if(ile[V[x][i]]>ile[V[x][0]]) swap(V[x][i], V[x][0]);
}
void DFS2(int x, multiset<pair<ll,ll>>&S) {
  if(V[x].size()) DFS2(V[x][0], S);
  for(int i=1; i<V[x].size(); ++i) {
    multiset<pair<ll,ll>>P;
    DFS2(V[x][i], P);
    for(auto j : P) S.insert(j);
  }
  ll a=C[x];
  while(a) {
    auto it=S.lower_bound({T[x], -1});
    if(it==S.begin()) break;
    --it;
    auto p=*it;
    S.erase(S.find(p));
    if(p.nd<=a) {
      a-=p.nd;
      continue;
    }
    p.nd-=a;
    a=0;
    S.insert(p);
  }
  S.insert({T[x], C[x]});
}
int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  int n;
  cin >> n;
  rep(i, n) {
    cin >> A[i] >> T[i] >> C[i];
    --A[i];
  }
  rep(i, n) if(!odw[i]) {
    int p=i;
    while(!odw[p]) {
      odw[p]=i+1;
      p=A[p];
    }
    if(odw[p]!=i+1) continue;
    int x=A[p];
    vector<pair<ll,ll>>P;
    while(x!=p) {
      P.pb({T[x], C[x]});
      cykl[x]=1;
      root[x]=p;
      x=A[x];
    }
    P.pb({T[x], C[x]});
    cykl[x]=1;
    root[x]=p;
    sort(all(P));
    x=p;
    for(auto j : P) {
      T[x]=j.st;
      C[x]=j.nd;
      if(A[x]==p) A[x]=x;
      x=A[x];
    }
  }
  rep(i, n) if(!cykl[i] && cykl[A[i]]) A[i]=root[A[i]];
  rep(i, n) if(A[i]!=i) V[A[i]].pb(i);
  ll sum=0;
  rep(i, n) sum+=C[i];
  rep(i, n) if(A[i]==i) {
    DFS(i);
    multiset<pair<ll,ll>>S;
    DFS2(i, S);
    for(auto j : S) sum-=j.nd;
  }
  cout << sum << '\n';
}

Compilation message

worst_reporter2.cpp: In function 'void DFS(int)':
worst_reporter2.cpp:5:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
worst_reporter2.cpp:19:3: note: in expansion of macro 'rep'
   19 |   rep(i, V[x].size()) if(ile[V[x][i]]>ile[V[x][0]]) swap(V[x][i], V[x][0]);
      |   ^~~
worst_reporter2.cpp: In function 'void DFS2(int, std::multiset<std::pair<long long int, long long int> >&)':
worst_reporter2.cpp:23:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int i=1; i<V[x].size(); ++i) {
      |                ~^~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 15708 KB Output is correct
2 Correct 2 ms 15708 KB Output is correct
3 Correct 2 ms 15708 KB Output is correct
4 Correct 2 ms 15708 KB Output is correct
5 Correct 5 ms 16328 KB Output is correct
6 Correct 5 ms 16220 KB Output is correct
7 Correct 5 ms 16220 KB Output is correct
8 Correct 5 ms 16220 KB Output is correct
9 Correct 5 ms 16188 KB Output is correct
10 Correct 6 ms 16220 KB Output is correct
11 Correct 6 ms 16268 KB Output is correct
12 Correct 5 ms 16732 KB Output is correct
13 Correct 6 ms 16988 KB Output is correct
14 Correct 6 ms 16476 KB Output is correct
15 Correct 7 ms 16476 KB Output is correct
16 Correct 6 ms 16220 KB Output is correct
17 Correct 6 ms 16220 KB Output is correct
18 Correct 7 ms 16476 KB Output is correct
19 Correct 5 ms 16632 KB Output is correct
20 Correct 5 ms 16472 KB Output is correct
21 Correct 4 ms 16732 KB Output is correct
22 Correct 5 ms 16220 KB Output is correct
23 Correct 4 ms 16220 KB Output is correct
24 Correct 5 ms 16476 KB Output is correct
25 Correct 5 ms 16732 KB Output is correct
26 Correct 4 ms 16732 KB Output is correct
27 Correct 4 ms 16476 KB Output is correct
28 Correct 4 ms 16732 KB Output is correct
29 Correct 4 ms 16988 KB Output is correct
30 Correct 5 ms 16988 KB Output is correct
31 Correct 5 ms 16988 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 15708 KB Output is correct
2 Correct 2 ms 15708 KB Output is correct
3 Correct 2 ms 15708 KB Output is correct
4 Correct 2 ms 15708 KB Output is correct
5 Correct 5 ms 16328 KB Output is correct
6 Correct 5 ms 16220 KB Output is correct
7 Correct 5 ms 16220 KB Output is correct
8 Correct 5 ms 16220 KB Output is correct
9 Correct 5 ms 16188 KB Output is correct
10 Correct 6 ms 16220 KB Output is correct
11 Correct 6 ms 16268 KB Output is correct
12 Correct 5 ms 16732 KB Output is correct
13 Correct 6 ms 16988 KB Output is correct
14 Correct 6 ms 16476 KB Output is correct
15 Correct 7 ms 16476 KB Output is correct
16 Correct 6 ms 16220 KB Output is correct
17 Correct 6 ms 16220 KB Output is correct
18 Correct 7 ms 16476 KB Output is correct
19 Correct 5 ms 16632 KB Output is correct
20 Correct 5 ms 16472 KB Output is correct
21 Correct 4 ms 16732 KB Output is correct
22 Correct 5 ms 16220 KB Output is correct
23 Correct 4 ms 16220 KB Output is correct
24 Correct 5 ms 16476 KB Output is correct
25 Correct 5 ms 16732 KB Output is correct
26 Correct 4 ms 16732 KB Output is correct
27 Correct 4 ms 16476 KB Output is correct
28 Correct 4 ms 16732 KB Output is correct
29 Correct 4 ms 16988 KB Output is correct
30 Correct 5 ms 16988 KB Output is correct
31 Correct 5 ms 16988 KB Output is correct
32 Correct 6 ms 16216 KB Output is correct
33 Correct 175 ms 31576 KB Output is correct
34 Correct 165 ms 30544 KB Output is correct
35 Correct 164 ms 29524 KB Output is correct
36 Correct 181 ms 30804 KB Output is correct
37 Correct 178 ms 32848 KB Output is correct
38 Correct 186 ms 31832 KB Output is correct
39 Correct 168 ms 53588 KB Output is correct
40 Correct 149 ms 53584 KB Output is correct
41 Correct 130 ms 56632 KB Output is correct
42 Correct 114 ms 37968 KB Output is correct
43 Correct 122 ms 38204 KB Output is correct
44 Correct 157 ms 31548 KB Output is correct
45 Correct 159 ms 31568 KB Output is correct
46 Correct 217 ms 35924 KB Output is correct
47 Correct 163 ms 41800 KB Output is correct
48 Correct 164 ms 45392 KB Output is correct
49 Correct 139 ms 46160 KB Output is correct
50 Correct 99 ms 29320 KB Output is correct
51 Correct 95 ms 29416 KB Output is correct
52 Correct 142 ms 42440 KB Output is correct
53 Correct 164 ms 46284 KB Output is correct
54 Correct 61 ms 53588 KB Output is correct
55 Correct 103 ms 44116 KB Output is correct
56 Correct 110 ms 54100 KB Output is correct
57 Correct 112 ms 58688 KB Output is correct
58 Correct 140 ms 56656 KB Output is correct
59 Correct 137 ms 56576 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 15708 KB Output is correct
2 Correct 2 ms 15708 KB Output is correct
3 Correct 2 ms 15708 KB Output is correct
4 Correct 2 ms 15708 KB Output is correct
5 Correct 5 ms 16328 KB Output is correct
6 Correct 5 ms 16220 KB Output is correct
7 Correct 5 ms 16220 KB Output is correct
8 Correct 5 ms 16220 KB Output is correct
9 Correct 5 ms 16188 KB Output is correct
10 Correct 6 ms 16220 KB Output is correct
11 Correct 6 ms 16268 KB Output is correct
12 Correct 5 ms 16732 KB Output is correct
13 Correct 6 ms 16988 KB Output is correct
14 Correct 6 ms 16476 KB Output is correct
15 Correct 7 ms 16476 KB Output is correct
16 Correct 6 ms 16220 KB Output is correct
17 Correct 6 ms 16220 KB Output is correct
18 Correct 7 ms 16476 KB Output is correct
19 Correct 5 ms 16632 KB Output is correct
20 Correct 5 ms 16472 KB Output is correct
21 Correct 4 ms 16732 KB Output is correct
22 Correct 5 ms 16220 KB Output is correct
23 Correct 4 ms 16220 KB Output is correct
24 Correct 5 ms 16476 KB Output is correct
25 Correct 5 ms 16732 KB Output is correct
26 Correct 4 ms 16732 KB Output is correct
27 Correct 4 ms 16476 KB Output is correct
28 Correct 4 ms 16732 KB Output is correct
29 Correct 4 ms 16988 KB Output is correct
30 Correct 5 ms 16988 KB Output is correct
31 Correct 5 ms 16988 KB Output is correct
32 Correct 6 ms 16216 KB Output is correct
33 Correct 175 ms 31576 KB Output is correct
34 Correct 165 ms 30544 KB Output is correct
35 Correct 164 ms 29524 KB Output is correct
36 Correct 181 ms 30804 KB Output is correct
37 Correct 178 ms 32848 KB Output is correct
38 Correct 186 ms 31832 KB Output is correct
39 Correct 168 ms 53588 KB Output is correct
40 Correct 149 ms 53584 KB Output is correct
41 Correct 130 ms 56632 KB Output is correct
42 Correct 114 ms 37968 KB Output is correct
43 Correct 122 ms 38204 KB Output is correct
44 Correct 157 ms 31548 KB Output is correct
45 Correct 159 ms 31568 KB Output is correct
46 Correct 217 ms 35924 KB Output is correct
47 Correct 163 ms 41800 KB Output is correct
48 Correct 164 ms 45392 KB Output is correct
49 Correct 139 ms 46160 KB Output is correct
50 Correct 99 ms 29320 KB Output is correct
51 Correct 95 ms 29416 KB Output is correct
52 Correct 142 ms 42440 KB Output is correct
53 Correct 164 ms 46284 KB Output is correct
54 Correct 61 ms 53588 KB Output is correct
55 Correct 103 ms 44116 KB Output is correct
56 Correct 110 ms 54100 KB Output is correct
57 Correct 112 ms 58688 KB Output is correct
58 Correct 140 ms 56656 KB Output is correct
59 Correct 137 ms 56576 KB Output is correct
60 Correct 2 ms 15708 KB Output is correct
61 Correct 2 ms 15708 KB Output is correct
62 Correct 2 ms 15708 KB Output is correct
63 Correct 2 ms 15944 KB Output is correct
64 Correct 166 ms 28476 KB Output is correct
65 Correct 148 ms 26944 KB Output is correct
66 Correct 152 ms 31056 KB Output is correct
67 Correct 174 ms 31824 KB Output is correct
68 Correct 186 ms 32848 KB Output is correct
69 Correct 169 ms 26404 KB Output is correct
70 Correct 144 ms 46588 KB Output is correct
71 Correct 168 ms 41048 KB Output is correct
72 Correct 158 ms 56380 KB Output is correct
73 Correct 175 ms 56440 KB Output is correct
74 Correct 150 ms 45720 KB Output is correct
75 Correct 157 ms 48828 KB Output is correct
76 Correct 141 ms 49052 KB Output is correct
77 Correct 171 ms 45720 KB Output is correct
78 Correct 148 ms 48880 KB Output is correct
79 Correct 167 ms 45464 KB Output is correct
80 Correct 188 ms 48284 KB Output is correct
81 Correct 165 ms 49180 KB Output is correct
82 Correct 127 ms 56352 KB Output is correct
83 Correct 52 ms 18904 KB Output is correct
84 Correct 173 ms 53076 KB Output is correct
85 Correct 148 ms 52888 KB Output is correct
86 Correct 160 ms 52924 KB Output is correct
87 Correct 166 ms 52876 KB Output is correct
88 Correct 149 ms 52856 KB Output is correct