Submission #733192

# Submission time Handle Problem Language Result Execution time Memory
733192 2023-04-30T08:09:18 Z baokhue232005 Worst Reporter 4 (JOI21_worst_reporter4) C++14
100 / 100
397 ms 74936 KB
/*
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("unroll-loops")
*/
// lethal option

#include<bits/stdc++.h>
using namespace std;

#define all(flg) flg.begin(), flg.end()
#define int long long
#define pb push_back
#define fi first
#define se second
#define eb emplace_back
#define ii pair<int, int>
#define vi vector<int>
#define PI 3.141592653589793238462643383279502884
#define ll long long
#define ld long double
#define for1(i, ff, gg) for(int i = ff; i <= gg; ++i)
#define for2(i, ff, gg) for(int i = ff; i >= gg; --i)
const ll mod = 1e9 + 7;
const int maxN = 2e5 +  5;
const ll oo = 1e18 + 7;
int n, a[maxN];
int x, y, z, k;

int bonus = 0;
int val[maxN], cost[maxN];
int chi[maxN];

bool trigg[maxN];
int sum = 0;
vi vc[maxN];

int par[maxN];
int find(int i){
    if(i == par[i]) return i;
    return par[i] = find(par[i]);
}

void dfs(int node, map<int, int>& mp){
    mp[0] = oo;
    for(int cc : vc[node]){
        map<int, int> sec;
        dfs(cc, sec);
        if(mp.size() < sec.size()) swap(mp, sec);
        for(ii pr : sec) mp[pr.fi] += pr.se;
    }
    if(node == 0){
        mp[0] = 0;
        int ans = 0;
        for(ii pr : mp) ans += pr.se;
        cout << sum - ans << endl;
        exit(0);
    }
    int pon = val[node] - 1;
    mp[pon] -= cost[node];
    mp[pon + 1] += cost[node];
    while(mp[pon] <= 0){
        auto itr = prev(mp.find(pon));
        itr->se += mp[pon];
        mp.erase(pon);
        pon = itr->fi;
    }
    mp[0] = 0;
}

bool repag[maxN];

signed main(){
    // freopen(".inp", "r", stdin);
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n;
    for1(i, 1, n){
        cin >> a[i] >> val[i] >> cost[i];
        ++chi[a[i]];
        sum += cost[i];
    }
    memset(trigg, 1, sizeof(trigg));
    for1(i, 1, n) if(chi[i] == 0){
        int cop = i;
        while(chi[cop] == 0){
            --chi[cop];
            trigg[cop] = 0;
            cop = a[cop];
            --chi[cop];
        }
    }
    for1(i, 1, n) par[i] = i;
    memset(repag, 0, sizeof(repag));
    for1(i, 1, n) if(trigg[i]){
        if(repag[i]) continue;
        vector<ii> cac; int cop = i;
        while(1){
            cac.pb(ii(val[cop], cop));
            cop = a[cop];
            repag[cop] = 1;
            // cout << cop << " " << i << endl;
            if(cop == i) break;
        }
        sort(all(cac));
        cac.pb(ii(0, 0));
        reverse(all(cac));
        for1(i, 1, (int)cac.size() - 1){
            x = cac[i - 1].se;
            y = cac[i].se;
            vc[x].pb(y);
            par[x] = y;
        }
    }
    for1(i, 1, n){
        if(!trigg[i]) vc[find(a[i])].pb(i);
    }
    map<int, int> mp;
    dfs(0, mp);
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5352 KB Output is correct
2 Correct 3 ms 5416 KB Output is correct
3 Correct 4 ms 5408 KB Output is correct
4 Correct 4 ms 5420 KB Output is correct
5 Correct 8 ms 6100 KB Output is correct
6 Correct 7 ms 5844 KB Output is correct
7 Correct 6 ms 5808 KB Output is correct
8 Correct 9 ms 6080 KB Output is correct
9 Correct 8 ms 5848 KB Output is correct
10 Correct 9 ms 5816 KB Output is correct
11 Correct 6 ms 5824 KB Output is correct
12 Correct 12 ms 7096 KB Output is correct
13 Correct 9 ms 7096 KB Output is correct
14 Correct 12 ms 6484 KB Output is correct
15 Correct 8 ms 6484 KB Output is correct
16 Correct 11 ms 6100 KB Output is correct
17 Correct 8 ms 5824 KB Output is correct
18 Correct 7 ms 5816 KB Output is correct
19 Correct 12 ms 6452 KB Output is correct
20 Correct 9 ms 6356 KB Output is correct
21 Correct 9 ms 6456 KB Output is correct
22 Correct 7 ms 6100 KB Output is correct
23 Correct 8 ms 5844 KB Output is correct
24 Correct 9 ms 6592 KB Output is correct
25 Correct 9 ms 6452 KB Output is correct
26 Correct 10 ms 7096 KB Output is correct
27 Correct 8 ms 6460 KB Output is correct
28 Correct 8 ms 6580 KB Output is correct
29 Correct 8 ms 6868 KB Output is correct
30 Correct 9 ms 6836 KB Output is correct
31 Correct 8 ms 6740 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5352 KB Output is correct
2 Correct 3 ms 5416 KB Output is correct
3 Correct 4 ms 5408 KB Output is correct
4 Correct 4 ms 5420 KB Output is correct
5 Correct 8 ms 6100 KB Output is correct
6 Correct 7 ms 5844 KB Output is correct
7 Correct 6 ms 5808 KB Output is correct
8 Correct 9 ms 6080 KB Output is correct
9 Correct 8 ms 5848 KB Output is correct
10 Correct 9 ms 5816 KB Output is correct
11 Correct 6 ms 5824 KB Output is correct
12 Correct 12 ms 7096 KB Output is correct
13 Correct 9 ms 7096 KB Output is correct
14 Correct 12 ms 6484 KB Output is correct
15 Correct 8 ms 6484 KB Output is correct
16 Correct 11 ms 6100 KB Output is correct
17 Correct 8 ms 5824 KB Output is correct
18 Correct 7 ms 5816 KB Output is correct
19 Correct 12 ms 6452 KB Output is correct
20 Correct 9 ms 6356 KB Output is correct
21 Correct 9 ms 6456 KB Output is correct
22 Correct 7 ms 6100 KB Output is correct
23 Correct 8 ms 5844 KB Output is correct
24 Correct 9 ms 6592 KB Output is correct
25 Correct 9 ms 6452 KB Output is correct
26 Correct 10 ms 7096 KB Output is correct
27 Correct 8 ms 6460 KB Output is correct
28 Correct 8 ms 6580 KB Output is correct
29 Correct 8 ms 6868 KB Output is correct
30 Correct 9 ms 6836 KB Output is correct
31 Correct 8 ms 6740 KB Output is correct
32 Correct 11 ms 6068 KB Output is correct
33 Correct 357 ms 34228 KB Output is correct
34 Correct 249 ms 22408 KB Output is correct
35 Correct 362 ms 32300 KB Output is correct
36 Correct 242 ms 22296 KB Output is correct
37 Correct 201 ms 21964 KB Output is correct
38 Correct 153 ms 21820 KB Output is correct
39 Correct 278 ms 74704 KB Output is correct
40 Correct 278 ms 74684 KB Output is correct
41 Correct 142 ms 74628 KB Output is correct
42 Correct 261 ms 49656 KB Output is correct
43 Correct 233 ms 49676 KB Output is correct
44 Correct 333 ms 33668 KB Output is correct
45 Correct 214 ms 21836 KB Output is correct
46 Correct 113 ms 21388 KB Output is correct
47 Correct 390 ms 47136 KB Output is correct
48 Correct 168 ms 46284 KB Output is correct
49 Correct 117 ms 46404 KB Output is correct
50 Correct 232 ms 31584 KB Output is correct
51 Correct 105 ms 19636 KB Output is correct
52 Correct 349 ms 53584 KB Output is correct
53 Correct 184 ms 47388 KB Output is correct
54 Correct 168 ms 74828 KB Output is correct
55 Correct 293 ms 49464 KB Output is correct
56 Correct 230 ms 60216 KB Output is correct
57 Correct 234 ms 65300 KB Output is correct
58 Correct 298 ms 61488 KB Output is correct
59 Correct 275 ms 61508 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 5352 KB Output is correct
2 Correct 3 ms 5416 KB Output is correct
3 Correct 4 ms 5408 KB Output is correct
4 Correct 4 ms 5420 KB Output is correct
5 Correct 8 ms 6100 KB Output is correct
6 Correct 7 ms 5844 KB Output is correct
7 Correct 6 ms 5808 KB Output is correct
8 Correct 9 ms 6080 KB Output is correct
9 Correct 8 ms 5848 KB Output is correct
10 Correct 9 ms 5816 KB Output is correct
11 Correct 6 ms 5824 KB Output is correct
12 Correct 12 ms 7096 KB Output is correct
13 Correct 9 ms 7096 KB Output is correct
14 Correct 12 ms 6484 KB Output is correct
15 Correct 8 ms 6484 KB Output is correct
16 Correct 11 ms 6100 KB Output is correct
17 Correct 8 ms 5824 KB Output is correct
18 Correct 7 ms 5816 KB Output is correct
19 Correct 12 ms 6452 KB Output is correct
20 Correct 9 ms 6356 KB Output is correct
21 Correct 9 ms 6456 KB Output is correct
22 Correct 7 ms 6100 KB Output is correct
23 Correct 8 ms 5844 KB Output is correct
24 Correct 9 ms 6592 KB Output is correct
25 Correct 9 ms 6452 KB Output is correct
26 Correct 10 ms 7096 KB Output is correct
27 Correct 8 ms 6460 KB Output is correct
28 Correct 8 ms 6580 KB Output is correct
29 Correct 8 ms 6868 KB Output is correct
30 Correct 9 ms 6836 KB Output is correct
31 Correct 8 ms 6740 KB Output is correct
32 Correct 11 ms 6068 KB Output is correct
33 Correct 357 ms 34228 KB Output is correct
34 Correct 249 ms 22408 KB Output is correct
35 Correct 362 ms 32300 KB Output is correct
36 Correct 242 ms 22296 KB Output is correct
37 Correct 201 ms 21964 KB Output is correct
38 Correct 153 ms 21820 KB Output is correct
39 Correct 278 ms 74704 KB Output is correct
40 Correct 278 ms 74684 KB Output is correct
41 Correct 142 ms 74628 KB Output is correct
42 Correct 261 ms 49656 KB Output is correct
43 Correct 233 ms 49676 KB Output is correct
44 Correct 333 ms 33668 KB Output is correct
45 Correct 214 ms 21836 KB Output is correct
46 Correct 113 ms 21388 KB Output is correct
47 Correct 390 ms 47136 KB Output is correct
48 Correct 168 ms 46284 KB Output is correct
49 Correct 117 ms 46404 KB Output is correct
50 Correct 232 ms 31584 KB Output is correct
51 Correct 105 ms 19636 KB Output is correct
52 Correct 349 ms 53584 KB Output is correct
53 Correct 184 ms 47388 KB Output is correct
54 Correct 168 ms 74828 KB Output is correct
55 Correct 293 ms 49464 KB Output is correct
56 Correct 230 ms 60216 KB Output is correct
57 Correct 234 ms 65300 KB Output is correct
58 Correct 298 ms 61488 KB Output is correct
59 Correct 275 ms 61508 KB Output is correct
60 Correct 3 ms 5332 KB Output is correct
61 Correct 3 ms 5332 KB Output is correct
62 Correct 4 ms 5424 KB Output is correct
63 Correct 3 ms 5424 KB Output is correct
64 Correct 362 ms 27736 KB Output is correct
65 Correct 323 ms 23592 KB Output is correct
66 Correct 397 ms 32200 KB Output is correct
67 Correct 277 ms 24092 KB Output is correct
68 Correct 193 ms 23072 KB Output is correct
69 Correct 178 ms 22776 KB Output is correct
70 Correct 238 ms 59080 KB Output is correct
71 Correct 183 ms 50204 KB Output is correct
72 Correct 278 ms 74816 KB Output is correct
73 Correct 217 ms 74712 KB Output is correct
74 Correct 285 ms 53600 KB Output is correct
75 Correct 182 ms 47280 KB Output is correct
76 Correct 148 ms 47316 KB Output is correct
77 Correct 324 ms 53640 KB Output is correct
78 Correct 239 ms 47276 KB Output is correct
79 Correct 397 ms 54624 KB Output is correct
80 Correct 259 ms 48820 KB Output is correct
81 Correct 224 ms 48304 KB Output is correct
82 Correct 251 ms 74936 KB Output is correct
83 Correct 254 ms 32380 KB Output is correct
84 Correct 335 ms 63244 KB Output is correct
85 Correct 383 ms 63340 KB Output is correct
86 Correct 375 ms 63136 KB Output is correct
87 Correct 330 ms 63240 KB Output is correct
88 Correct 361 ms 63320 KB Output is correct