oj.uz

답안 #996777

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
996777 2024-06-11T07:59:38 Z boyliguanhan Worst Reporter 4 (JOI21_worst_reporter4) C++17
100 / 100
 319 ms 71440 KB 
#include<bits/stdc++.h>
using namespace std;
#define N 200100
#define int long long
int gonext[N],h[N],c[N],vis[N],ans;
vector<int>adj[N];
map<int,int>mp[N];
void merge(int a,int b){
    if(mp[a].size()<mp[b].size())
        swap(mp[a],mp[b]);
    for(auto[i,j]:mp[b])
        mp[a][i]+=j;
    mp[b].clear();
}
void dfs(int n,int p,int q=1){
    vis[n]=1;
    for(auto i:adj[n])if(i-p)
        dfs(i,n),merge(n,i);
    mp[n][h[n]+1]+=c[n];
    mp[n][h[n]];
    mp[n][0]+=c[n];
    if(q){
        auto it=mp[n].lower_bound(h[n]);
        while(it->second<c[n]){
            prev(it)->second+=it->second;
            it=--mp[n].erase(it);
        }
        it->second-=c[n];
    } else mp[n][h[n]]-=c[n];
}
void docomp(int n){
    while(!vis[n])
        vis[n]=1,n=gonext[n];
    vector<int>cyc;
    int y=n;
    do {
        cyc.push_back(y);
        y=gonext[y];
    } while(y-n);
    cyc.push_back(y);
    for(int i=1;i<cyc.size();i++)
        dfs(cyc[i],cyc[i-1],0);
    for(int i=1;i+1<cyc.size();i++)
        merge(n,cyc[i]);
    int pref=0,cur=1e18;
    for(auto[i,j]:mp[n])
        cur=min(cur,pref+=j);
    ans+=cur;
}
signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>gonext[i]>>h[i]>>c[i];
        adj[gonext[i]].push_back(i);
    }
    for(int i=1;i<=n;i++)
        if(!vis[i])
            docomp(i);
    cout<<ans<<'\n';
}

Compilation message

worst_reporter2.cpp: In function 'void docomp(long long int)':
worst_reporter2.cpp:41:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(int i=1;i<cyc.size();i++)
      |                 ~^~~~~~~~~~~
worst_reporter2.cpp:43:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(int i=1;i+1<cyc.size();i++)
      |                 ~~~^~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 19032 KB Output is correct
2 Correct 3 ms 19032 KB Output is correct
3 Correct 2 ms 19036 KB Output is correct
4 Correct 3 ms 18872 KB Output is correct
5 Correct 7 ms 19548 KB Output is correct
6 Correct 5 ms 19288 KB Output is correct
7 Correct 4 ms 19292 KB Output is correct
8 Correct 6 ms 19548 KB Output is correct
9 Correct 5 ms 19292 KB Output is correct
10 Correct 6 ms 19292 KB Output is correct
11 Correct 4 ms 19292 KB Output is correct
12 Correct 5 ms 19804 KB Output is correct
13 Correct 4 ms 19876 KB Output is correct
14 Correct 5 ms 19548 KB Output is correct
15 Correct 5 ms 19624 KB Output is correct
16 Correct 6 ms 19548 KB Output is correct
17 Correct 5 ms 19544 KB Output is correct
18 Correct 4 ms 19292 KB Output is correct
19 Correct 5 ms 19808 KB Output is correct
20 Correct 4 ms 19548 KB Output is correct
21 Correct 5 ms 19548 KB Output is correct
22 Correct 5 ms 19572 KB Output is correct
23 Correct 5 ms 19292 KB Output is correct
24 Correct 5 ms 19776 KB Output is correct
25 Correct 5 ms 19800 KB Output is correct
26 Correct 5 ms 20316 KB Output is correct
27 Correct 5 ms 19776 KB Output is correct
28 Correct 5 ms 19800 KB Output is correct
29 Correct 5 ms 20060 KB Output is correct
30 Correct 5 ms 20060 KB Output is correct
31 Correct 5 ms 20060 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 19032 KB Output is correct
2 Correct 3 ms 19032 KB Output is correct
3 Correct 2 ms 19036 KB Output is correct
4 Correct 3 ms 18872 KB Output is correct
5 Correct 7 ms 19548 KB Output is correct
6 Correct 5 ms 19288 KB Output is correct
7 Correct 4 ms 19292 KB Output is correct
8 Correct 6 ms 19548 KB Output is correct
9 Correct 5 ms 19292 KB Output is correct
10 Correct 6 ms 19292 KB Output is correct
11 Correct 4 ms 19292 KB Output is correct
12 Correct 5 ms 19804 KB Output is correct
13 Correct 4 ms 19876 KB Output is correct
14 Correct 5 ms 19548 KB Output is correct
15 Correct 5 ms 19624 KB Output is correct
16 Correct 6 ms 19548 KB Output is correct
17 Correct 5 ms 19544 KB Output is correct
18 Correct 4 ms 19292 KB Output is correct
19 Correct 5 ms 19808 KB Output is correct
20 Correct 4 ms 19548 KB Output is correct
21 Correct 5 ms 19548 KB Output is correct
22 Correct 5 ms 19572 KB Output is correct
23 Correct 5 ms 19292 KB Output is correct
24 Correct 5 ms 19776 KB Output is correct
25 Correct 5 ms 19800 KB Output is correct
26 Correct 5 ms 20316 KB Output is correct
27 Correct 5 ms 19776 KB Output is correct
28 Correct 5 ms 19800 KB Output is correct
29 Correct 5 ms 20060 KB Output is correct
30 Correct 5 ms 20060 KB Output is correct
31 Correct 5 ms 20060 KB Output is correct
32 Correct 7 ms 19548 KB Output is correct
33 Correct 210 ms 41836 KB Output is correct
34 Correct 145 ms 29780 KB Output is correct
35 Correct 208 ms 39844 KB Output is correct
36 Correct 128 ms 29776 KB Output is correct
37 Correct 84 ms 29516 KB Output is correct
38 Correct 96 ms 29384 KB Output is correct
39 Correct 115 ms 57168 KB Output is correct
40 Correct 111 ms 57248 KB Output is correct
41 Correct 75 ms 57048 KB Output is correct
42 Correct 105 ms 44792 KB Output is correct
43 Correct 106 ms 44528 KB Output is correct
44 Correct 203 ms 41296 KB Output is correct
45 Correct 131 ms 29264 KB Output is correct
46 Correct 61 ms 28828 KB Output is correct
47 Correct 151 ms 48208 KB Output is correct
48 Correct 90 ms 41336 KB Output is correct
49 Correct 72 ms 41296 KB Output is correct
50 Correct 132 ms 39112 KB Output is correct
51 Correct 69 ms 26568 KB Output is correct
52 Correct 155 ms 49504 KB Output is correct
53 Correct 85 ms 42440 KB Output is correct
54 Correct 175 ms 69972 KB Output is correct
55 Correct 123 ms 50776 KB Output is correct
56 Correct 124 ms 58220 KB Output is correct
57 Correct 112 ms 62152 KB Output is correct
58 Correct 131 ms 62672 KB Output is correct
59 Correct 125 ms 62792 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 19032 KB Output is correct
2 Correct 3 ms 19032 KB Output is correct
3 Correct 2 ms 19036 KB Output is correct
4 Correct 3 ms 18872 KB Output is correct
5 Correct 7 ms 19548 KB Output is correct
6 Correct 5 ms 19288 KB Output is correct
7 Correct 4 ms 19292 KB Output is correct
8 Correct 6 ms 19548 KB Output is correct
9 Correct 5 ms 19292 KB Output is correct
10 Correct 6 ms 19292 KB Output is correct
11 Correct 4 ms 19292 KB Output is correct
12 Correct 5 ms 19804 KB Output is correct
13 Correct 4 ms 19876 KB Output is correct
14 Correct 5 ms 19548 KB Output is correct
15 Correct 5 ms 19624 KB Output is correct
16 Correct 6 ms 19548 KB Output is correct
17 Correct 5 ms 19544 KB Output is correct
18 Correct 4 ms 19292 KB Output is correct
19 Correct 5 ms 19808 KB Output is correct
20 Correct 4 ms 19548 KB Output is correct
21 Correct 5 ms 19548 KB Output is correct
22 Correct 5 ms 19572 KB Output is correct
23 Correct 5 ms 19292 KB Output is correct
24 Correct 5 ms 19776 KB Output is correct
25 Correct 5 ms 19800 KB Output is correct
26 Correct 5 ms 20316 KB Output is correct
27 Correct 5 ms 19776 KB Output is correct
28 Correct 5 ms 19800 KB Output is correct
29 Correct 5 ms 20060 KB Output is correct
30 Correct 5 ms 20060 KB Output is correct
31 Correct 5 ms 20060 KB Output is correct
32 Correct 7 ms 19548 KB Output is correct
33 Correct 210 ms 41836 KB Output is correct
34 Correct 145 ms 29780 KB Output is correct
35 Correct 208 ms 39844 KB Output is correct
36 Correct 128 ms 29776 KB Output is correct
37 Correct 84 ms 29516 KB Output is correct
38 Correct 96 ms 29384 KB Output is correct
39 Correct 115 ms 57168 KB Output is correct
40 Correct 111 ms 57248 KB Output is correct
41 Correct 75 ms 57048 KB Output is correct
42 Correct 105 ms 44792 KB Output is correct
43 Correct 106 ms 44528 KB Output is correct
44 Correct 203 ms 41296 KB Output is correct
45 Correct 131 ms 29264 KB Output is correct
46 Correct 61 ms 28828 KB Output is correct
47 Correct 151 ms 48208 KB Output is correct
48 Correct 90 ms 41336 KB Output is correct
49 Correct 72 ms 41296 KB Output is correct
50 Correct 132 ms 39112 KB Output is correct
51 Correct 69 ms 26568 KB Output is correct
52 Correct 155 ms 49504 KB Output is correct
53 Correct 85 ms 42440 KB Output is correct
54 Correct 175 ms 69972 KB Output is correct
55 Correct 123 ms 50776 KB Output is correct
56 Correct 124 ms 58220 KB Output is correct
57 Correct 112 ms 62152 KB Output is correct
58 Correct 131 ms 62672 KB Output is correct
59 Correct 125 ms 62792 KB Output is correct
60 Correct 3 ms 19032 KB Output is correct
61 Correct 3 ms 19036 KB Output is correct
62 Correct 3 ms 18872 KB Output is correct
63 Correct 3 ms 19100 KB Output is correct
64 Correct 184 ms 39364 KB Output is correct
65 Correct 136 ms 31100 KB Output is correct
66 Correct 171 ms 39764 KB Output is correct
67 Correct 144 ms 31312 KB Output is correct
68 Correct 98 ms 30292 KB Output is correct
69 Correct 79 ms 30288 KB Output is correct
70 Correct 319 ms 64000 KB Output is correct
71 Correct 177 ms 52420 KB Output is correct
72 Correct 297 ms 71312 KB Output is correct
73 Correct 161 ms 71100 KB Output is correct
74 Correct 216 ms 54904 KB Output is correct
75 Correct 130 ms 54720 KB Output is correct
76 Correct 152 ms 53440 KB Output is correct
77 Correct 238 ms 57416 KB Output is correct
78 Correct 109 ms 49216 KB Output is correct
79 Correct 270 ms 57028 KB Output is correct
80 Correct 154 ms 50756 KB Output is correct
81 Correct 129 ms 50380 KB Output is correct
82 Correct 189 ms 71440 KB Output is correct
83 Correct 103 ms 69532 KB Output is correct
84 Correct 238 ms 62404 KB Output is correct
85 Correct 240 ms 64712 KB Output is correct
86 Correct 190 ms 62148 KB Output is correct
87 Correct 250 ms 62184 KB Output is correct
88 Correct 198 ms 62152 KB Output is correct