답안 #733055

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
733055 2023-04-30T03:57:58 Z baokhue232005 Worst Reporter 4 (JOI21_worst_reporter4) C++14
79 / 100
366 ms 74672 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){
    // cout << node << endl;
    mp[0] = mod;
    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.erase(mp.begin());
        // for(ii pr : mp) cout << pr.fi << " " << pr.se << endl;
        int ans = 0;
        for(ii pr : mp) ans += pr.se;
        cout << sum - ans << endl;
        exit(0);
    }
    // mp[mod] += cost[node];
    int pon = val[node] - 1;
    mp[pon] -= cost[node];
    mp[pon + 1] += cost[node];
    // for(ii pr : mp) cout << pr.fi << " " << pr.se << endl;
    // cout << pon;
    // cout << endl;
    while(mp[pon] <= 0){
        auto itr = prev(mp.find(pon));
        itr->se += mp[pon];
        mp.erase(pon);
        pon = itr->fi;
    }
    // for(ii pr : mp) cout << pr.fi << " " << pr.se << endl;
    // cout << pon;
    // cout << endl;
}

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){
            trigg[cop] = 0;
            cop = a[cop];
            --chi[cop];
        }
    }
    for1(i, 1, n) par[i] = i;
    for1(i, 1, n) if(trigg[i]){
        vector<ii> cac; int cop = i;
        while(1){
            cac.pb(ii(val[cop], cop));
            cop = a[cop];
            // cout << cop << " " << i << endl;
            if(cop == i) break;
        }
        cac.pb(ii(0, 0));
        sort(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);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5204 KB Output is correct
2 Correct 3 ms 5204 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 4 ms 5160 KB Output is correct
5 Correct 8 ms 5816 KB Output is correct
6 Correct 7 ms 5588 KB Output is correct
7 Correct 8 ms 5572 KB Output is correct
8 Correct 8 ms 5844 KB Output is correct
9 Correct 8 ms 5572 KB Output is correct
10 Correct 8 ms 5588 KB Output is correct
11 Correct 7 ms 5588 KB Output is correct
12 Correct 10 ms 6864 KB Output is correct
13 Correct 6 ms 6868 KB Output is correct
14 Correct 8 ms 6328 KB Output is correct
15 Correct 7 ms 6328 KB Output is correct
16 Correct 9 ms 5844 KB Output is correct
17 Correct 8 ms 5556 KB Output is correct
18 Correct 6 ms 5588 KB Output is correct
19 Correct 9 ms 6252 KB Output is correct
20 Correct 7 ms 6204 KB Output is correct
21 Correct 6 ms 6192 KB Output is correct
22 Correct 7 ms 5816 KB Output is correct
23 Correct 7 ms 5588 KB Output is correct
24 Correct 9 ms 6356 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 7 ms 6956 KB Output is correct
27 Correct 7 ms 6196 KB Output is correct
28 Correct 10 ms 6332 KB Output is correct
29 Correct 7 ms 6580 KB Output is correct
30 Correct 9 ms 6612 KB Output is correct
31 Correct 12 ms 6612 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5204 KB Output is correct
2 Correct 3 ms 5204 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 4 ms 5160 KB Output is correct
5 Correct 8 ms 5816 KB Output is correct
6 Correct 7 ms 5588 KB Output is correct
7 Correct 8 ms 5572 KB Output is correct
8 Correct 8 ms 5844 KB Output is correct
9 Correct 8 ms 5572 KB Output is correct
10 Correct 8 ms 5588 KB Output is correct
11 Correct 7 ms 5588 KB Output is correct
12 Correct 10 ms 6864 KB Output is correct
13 Correct 6 ms 6868 KB Output is correct
14 Correct 8 ms 6328 KB Output is correct
15 Correct 7 ms 6328 KB Output is correct
16 Correct 9 ms 5844 KB Output is correct
17 Correct 8 ms 5556 KB Output is correct
18 Correct 6 ms 5588 KB Output is correct
19 Correct 9 ms 6252 KB Output is correct
20 Correct 7 ms 6204 KB Output is correct
21 Correct 6 ms 6192 KB Output is correct
22 Correct 7 ms 5816 KB Output is correct
23 Correct 7 ms 5588 KB Output is correct
24 Correct 9 ms 6356 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 7 ms 6956 KB Output is correct
27 Correct 7 ms 6196 KB Output is correct
28 Correct 10 ms 6332 KB Output is correct
29 Correct 7 ms 6580 KB Output is correct
30 Correct 9 ms 6612 KB Output is correct
31 Correct 12 ms 6612 KB Output is correct
32 Correct 9 ms 5844 KB Output is correct
33 Correct 344 ms 34036 KB Output is correct
34 Correct 253 ms 22188 KB Output is correct
35 Correct 311 ms 32044 KB Output is correct
36 Correct 230 ms 22048 KB Output is correct
37 Correct 205 ms 21768 KB Output is correct
38 Correct 184 ms 21748 KB Output is correct
39 Correct 283 ms 74580 KB Output is correct
40 Correct 242 ms 74584 KB Output is correct
41 Correct 156 ms 74540 KB Output is correct
42 Correct 304 ms 49536 KB Output is correct
43 Correct 248 ms 49480 KB Output is correct
44 Correct 319 ms 32632 KB Output is correct
45 Correct 210 ms 20848 KB Output is correct
46 Correct 119 ms 20328 KB Output is correct
47 Correct 335 ms 46156 KB Output is correct
48 Correct 172 ms 45480 KB Output is correct
49 Correct 134 ms 45388 KB Output is correct
50 Correct 183 ms 29836 KB Output is correct
51 Correct 110 ms 17840 KB Output is correct
52 Correct 366 ms 52540 KB Output is correct
53 Correct 160 ms 46420 KB Output is correct
54 Correct 172 ms 74672 KB Output is correct
55 Correct 238 ms 48500 KB Output is correct
56 Correct 224 ms 59652 KB Output is correct
57 Correct 243 ms 64872 KB Output is correct
58 Correct 269 ms 61260 KB Output is correct
59 Correct 273 ms 61260 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5204 KB Output is correct
2 Correct 3 ms 5204 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 4 ms 5160 KB Output is correct
5 Correct 8 ms 5816 KB Output is correct
6 Correct 7 ms 5588 KB Output is correct
7 Correct 8 ms 5572 KB Output is correct
8 Correct 8 ms 5844 KB Output is correct
9 Correct 8 ms 5572 KB Output is correct
10 Correct 8 ms 5588 KB Output is correct
11 Correct 7 ms 5588 KB Output is correct
12 Correct 10 ms 6864 KB Output is correct
13 Correct 6 ms 6868 KB Output is correct
14 Correct 8 ms 6328 KB Output is correct
15 Correct 7 ms 6328 KB Output is correct
16 Correct 9 ms 5844 KB Output is correct
17 Correct 8 ms 5556 KB Output is correct
18 Correct 6 ms 5588 KB Output is correct
19 Correct 9 ms 6252 KB Output is correct
20 Correct 7 ms 6204 KB Output is correct
21 Correct 6 ms 6192 KB Output is correct
22 Correct 7 ms 5816 KB Output is correct
23 Correct 7 ms 5588 KB Output is correct
24 Correct 9 ms 6356 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 7 ms 6956 KB Output is correct
27 Correct 7 ms 6196 KB Output is correct
28 Correct 10 ms 6332 KB Output is correct
29 Correct 7 ms 6580 KB Output is correct
30 Correct 9 ms 6612 KB Output is correct
31 Correct 12 ms 6612 KB Output is correct
32 Correct 9 ms 5844 KB Output is correct
33 Correct 344 ms 34036 KB Output is correct
34 Correct 253 ms 22188 KB Output is correct
35 Correct 311 ms 32044 KB Output is correct
36 Correct 230 ms 22048 KB Output is correct
37 Correct 205 ms 21768 KB Output is correct
38 Correct 184 ms 21748 KB Output is correct
39 Correct 283 ms 74580 KB Output is correct
40 Correct 242 ms 74584 KB Output is correct
41 Correct 156 ms 74540 KB Output is correct
42 Correct 304 ms 49536 KB Output is correct
43 Correct 248 ms 49480 KB Output is correct
44 Correct 319 ms 32632 KB Output is correct
45 Correct 210 ms 20848 KB Output is correct
46 Correct 119 ms 20328 KB Output is correct
47 Correct 335 ms 46156 KB Output is correct
48 Correct 172 ms 45480 KB Output is correct
49 Correct 134 ms 45388 KB Output is correct
50 Correct 183 ms 29836 KB Output is correct
51 Correct 110 ms 17840 KB Output is correct
52 Correct 366 ms 52540 KB Output is correct
53 Correct 160 ms 46420 KB Output is correct
54 Correct 172 ms 74672 KB Output is correct
55 Correct 238 ms 48500 KB Output is correct
56 Correct 224 ms 59652 KB Output is correct
57 Correct 243 ms 64872 KB Output is correct
58 Correct 269 ms 61260 KB Output is correct
59 Correct 273 ms 61260 KB Output is correct
60 Incorrect 3 ms 5160 KB Output isn't correct
61 Halted 0 ms 0 KB -