답안 #733066

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
733066 2023-04-30T04:09:28 Z baokhue232005 Worst Reporter 4 (JOI21_worst_reporter4) C++14
79 / 100
313 ms 69652 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] = 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.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;
    }
    mp[0] = 0;
    // for(ii pr : mp) cout << pr.fi << " " << pr.se << endl;
    // cout << pon;
    // cout << endl;
}

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){
            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;
        }
        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 2 ms 5332 KB Output is correct
2 Correct 3 ms 5332 KB Output is correct
3 Correct 4 ms 5332 KB Output is correct
4 Correct 4 ms 5332 KB Output is correct
5 Correct 7 ms 5980 KB Output is correct
6 Correct 6 ms 5740 KB Output is correct
7 Correct 6 ms 5716 KB Output is correct
8 Correct 7 ms 5972 KB Output is correct
9 Correct 7 ms 5756 KB Output is correct
10 Correct 5 ms 5716 KB Output is correct
11 Correct 6 ms 5716 KB Output is correct
12 Correct 8 ms 6996 KB Output is correct
13 Correct 6 ms 6996 KB Output is correct
14 Correct 7 ms 6356 KB Output is correct
15 Correct 7 ms 6356 KB Output is correct
16 Correct 8 ms 5892 KB Output is correct
17 Correct 7 ms 5716 KB Output is correct
18 Correct 6 ms 5588 KB Output is correct
19 Correct 8 ms 6236 KB Output is correct
20 Correct 6 ms 6228 KB Output is correct
21 Correct 5 ms 6228 KB Output is correct
22 Correct 6 ms 5844 KB Output is correct
23 Correct 5 ms 5712 KB Output is correct
24 Correct 7 ms 6484 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 8 ms 6956 KB Output is correct
27 Correct 7 ms 6308 KB Output is correct
28 Correct 7 ms 6484 KB Output is correct
29 Correct 7 ms 6740 KB Output is correct
30 Correct 9 ms 6720 KB Output is correct
31 Correct 9 ms 6612 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5332 KB Output is correct
2 Correct 3 ms 5332 KB Output is correct
3 Correct 4 ms 5332 KB Output is correct
4 Correct 4 ms 5332 KB Output is correct
5 Correct 7 ms 5980 KB Output is correct
6 Correct 6 ms 5740 KB Output is correct
7 Correct 6 ms 5716 KB Output is correct
8 Correct 7 ms 5972 KB Output is correct
9 Correct 7 ms 5756 KB Output is correct
10 Correct 5 ms 5716 KB Output is correct
11 Correct 6 ms 5716 KB Output is correct
12 Correct 8 ms 6996 KB Output is correct
13 Correct 6 ms 6996 KB Output is correct
14 Correct 7 ms 6356 KB Output is correct
15 Correct 7 ms 6356 KB Output is correct
16 Correct 8 ms 5892 KB Output is correct
17 Correct 7 ms 5716 KB Output is correct
18 Correct 6 ms 5588 KB Output is correct
19 Correct 8 ms 6236 KB Output is correct
20 Correct 6 ms 6228 KB Output is correct
21 Correct 5 ms 6228 KB Output is correct
22 Correct 6 ms 5844 KB Output is correct
23 Correct 5 ms 5712 KB Output is correct
24 Correct 7 ms 6484 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 8 ms 6956 KB Output is correct
27 Correct 7 ms 6308 KB Output is correct
28 Correct 7 ms 6484 KB Output is correct
29 Correct 7 ms 6740 KB Output is correct
30 Correct 9 ms 6720 KB Output is correct
31 Correct 9 ms 6612 KB Output is correct
32 Correct 8 ms 5972 KB Output is correct
33 Correct 297 ms 29388 KB Output is correct
34 Correct 225 ms 17352 KB Output is correct
35 Correct 281 ms 27212 KB Output is correct
36 Correct 215 ms 17484 KB Output is correct
37 Correct 167 ms 16936 KB Output is correct
38 Correct 139 ms 16972 KB Output is correct
39 Correct 264 ms 69652 KB Output is correct
40 Correct 230 ms 69576 KB Output is correct
41 Correct 122 ms 69572 KB Output is correct
42 Correct 248 ms 44584 KB Output is correct
43 Correct 216 ms 44556 KB Output is correct
44 Correct 282 ms 27792 KB Output is correct
45 Correct 186 ms 15936 KB Output is correct
46 Correct 98 ms 15564 KB Output is correct
47 Correct 313 ms 41344 KB Output is correct
48 Correct 165 ms 40612 KB Output is correct
49 Correct 112 ms 40656 KB Output is correct
50 Correct 211 ms 25760 KB Output is correct
51 Correct 101 ms 13784 KB Output is correct
52 Correct 311 ms 47804 KB Output is correct
53 Correct 155 ms 41480 KB Output is correct
54 Correct 159 ms 69456 KB Output is correct
55 Correct 216 ms 44380 KB Output is correct
56 Correct 218 ms 55716 KB Output is correct
57 Correct 222 ms 60960 KB Output is correct
58 Correct 256 ms 56956 KB Output is correct
59 Correct 258 ms 56996 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 5332 KB Output is correct
2 Correct 3 ms 5332 KB Output is correct
3 Correct 4 ms 5332 KB Output is correct
4 Correct 4 ms 5332 KB Output is correct
5 Correct 7 ms 5980 KB Output is correct
6 Correct 6 ms 5740 KB Output is correct
7 Correct 6 ms 5716 KB Output is correct
8 Correct 7 ms 5972 KB Output is correct
9 Correct 7 ms 5756 KB Output is correct
10 Correct 5 ms 5716 KB Output is correct
11 Correct 6 ms 5716 KB Output is correct
12 Correct 8 ms 6996 KB Output is correct
13 Correct 6 ms 6996 KB Output is correct
14 Correct 7 ms 6356 KB Output is correct
15 Correct 7 ms 6356 KB Output is correct
16 Correct 8 ms 5892 KB Output is correct
17 Correct 7 ms 5716 KB Output is correct
18 Correct 6 ms 5588 KB Output is correct
19 Correct 8 ms 6236 KB Output is correct
20 Correct 6 ms 6228 KB Output is correct
21 Correct 5 ms 6228 KB Output is correct
22 Correct 6 ms 5844 KB Output is correct
23 Correct 5 ms 5712 KB Output is correct
24 Correct 7 ms 6484 KB Output is correct
25 Correct 6 ms 6228 KB Output is correct
26 Correct 8 ms 6956 KB Output is correct
27 Correct 7 ms 6308 KB Output is correct
28 Correct 7 ms 6484 KB Output is correct
29 Correct 7 ms 6740 KB Output is correct
30 Correct 9 ms 6720 KB Output is correct
31 Correct 9 ms 6612 KB Output is correct
32 Correct 8 ms 5972 KB Output is correct
33 Correct 297 ms 29388 KB Output is correct
34 Correct 225 ms 17352 KB Output is correct
35 Correct 281 ms 27212 KB Output is correct
36 Correct 215 ms 17484 KB Output is correct
37 Correct 167 ms 16936 KB Output is correct
38 Correct 139 ms 16972 KB Output is correct
39 Correct 264 ms 69652 KB Output is correct
40 Correct 230 ms 69576 KB Output is correct
41 Correct 122 ms 69572 KB Output is correct
42 Correct 248 ms 44584 KB Output is correct
43 Correct 216 ms 44556 KB Output is correct
44 Correct 282 ms 27792 KB Output is correct
45 Correct 186 ms 15936 KB Output is correct
46 Correct 98 ms 15564 KB Output is correct
47 Correct 313 ms 41344 KB Output is correct
48 Correct 165 ms 40612 KB Output is correct
49 Correct 112 ms 40656 KB Output is correct
50 Correct 211 ms 25760 KB Output is correct
51 Correct 101 ms 13784 KB Output is correct
52 Correct 311 ms 47804 KB Output is correct
53 Correct 155 ms 41480 KB Output is correct
54 Correct 159 ms 69456 KB Output is correct
55 Correct 216 ms 44380 KB Output is correct
56 Correct 218 ms 55716 KB Output is correct
57 Correct 222 ms 60960 KB Output is correct
58 Correct 256 ms 56956 KB Output is correct
59 Correct 258 ms 56996 KB Output is correct
60 Incorrect 3 ms 5332 KB Output isn't correct
61 Halted 0 ms 0 KB -