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답안 #418928

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
418928 2021-06-06T08:51:11 Z ryansee Worst Reporter 4 (JOI21_worst_reporter4) C++14
79 / 100
 386 ms 109084 KB 
#include "bits/stdc++.h"
using namespace std;

#define FAST ios_base::sync_with_stdio(false); cin.tie(0);
#define pb push_back
#define eb emplace_back
#define ins insert
#define f first
#define s second
#define cbr cerr<<"hi\n"
#define mmst(x, v) memset((x), v, sizeof ((x)))
#define siz(x) ll(x.size())
#define all(x) (x).begin(), (x).end()
#define lbd(x,y) (lower_bound(all(x),y)-x.begin())
#define ubd(x,y) (upper_bound(all(x),y)-x.begin())
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
inline long long rand(long long x, long long y) { return rng() % (y+1-x) + x; } //inclusive
string inline to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); }

using ll=long long;
using ld=long double;
#define FOR(i,s,e) for(ll i=s;i<=ll(e);++i)
#define DEC(i,s,e) for(ll i=s;i>=ll(e);--i)
using pi=pair<ll,ll>; using spi=pair<ll,pi>; using dpi=pair<pi,pi>; 

long long LLINF = 1e18;
int INF = 1e9+1e6;
#define MAXN (200006)
ll n, mx, P[MAXN], A[MAXN], C[MAXN], ans;
bitset<MAXN> vis, in;
vector<int> stk, cy;
vector<int> v[MAXN];
void cycle(int x) {
	vis[x]=1;
	stk.eb(x);
	if(!vis[P[x]]) cycle(P[x]);
	else {
		while(1) {
			if(stk.empty()) {
				cy.clear();
				break;
			}
			ll y=stk.back(); stk.pop_back();
			cy.eb(y);
			if(y==P[x]) break;
		}
	}
}
map<ll,ll> *mp[MAXN];
void dfs(int x) {
	mp[x] = new map<ll,ll>;
	for(auto i:v[x]) {
		dfs(i);
		if(mp[x]->size() < mp[i]->size()) mp[x] = mp[i];
	}
	for(auto i:v[x]) if(mp[x] != mp[i]) {
		for(auto j:*mp[i]) (*mp[x])[j.f] += j.s;
	}
	(*mp[x])[mx] += C[x];
	(*mp[x])[A[x]] -= C[x];
	(*mp[x])[A[x]-1] += C[x];
	auto it = mp[x]->find(A[x]);
	while(it->s < 0) {
		auto tmp = next(it);
		assert(tmp != mp[x]->end());
		tmp->s += it->s;
		mp[x]->erase(it);
		it = tmp;
	}
	if(it->s == 0) mp[x]->erase(it);
}
int main() {
	FAST
	cin>>n;
	FOR(i,1,n) cin>>P[i]>>A[i]>>C[i];
	mx = *max_element(A+1, A+n+1) + 1;
	FOR(i,1,n) A[i] = mx - A[i];
	FOR(i,1,n) if(P[i]^i) in[P[i]]=1;
	FOR(i,1,n) if(!in[i]) {
		stk.clear(), cy.clear();
		cycle(i);
		if(cy.empty()) continue;
		sort(all(cy), [](int x,int y){return A[x]>A[y];});
		FOR(i,0,siz(cy)-2) {
			P[cy[i]] = cy[i+1];
		}
		P[cy.back()]=cy.back();
	}
	FOR(i,1,n) if(!vis[i]) {
		stk.clear(), cy.clear();
		cycle(i);
		if(cy.empty()) continue;
		sort(all(cy), [](int x,int y){return A[x]>A[y];});
		FOR(i,0,siz(cy)-2) {
			P[cy[i]] = cy[i+1];
		}
		P[cy.back()]=cy.back();
	}
	FOR(i,1,n) if(P[i] ^ i) v[P[i]].eb(i);
	FOR(i,1,n) if(P[i] == i) {
		dfs(i);
		ans += (*mp[i])[mx];
	}
	cout<<ans<<'\n';
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 9 ms 6476 KB Output is correct
6 Correct 8 ms 6140 KB Output is correct
7 Correct 9 ms 5964 KB Output is correct
8 Correct 10 ms 6536 KB Output is correct
9 Correct 8 ms 6092 KB Output is correct
10 Correct 7 ms 5964 KB Output is correct
11 Correct 6 ms 5708 KB Output is correct
12 Correct 7 ms 6348 KB Output is correct
13 Correct 6 ms 6348 KB Output is correct
14 Correct 9 ms 5996 KB Output is correct
15 Correct 7 ms 5964 KB Output is correct
16 Correct 10 ms 7016 KB Output is correct
17 Correct 10 ms 6348 KB Output is correct
18 Correct 8 ms 5668 KB Output is correct
19 Correct 11 ms 6164 KB Output is correct
20 Correct 7 ms 6092 KB Output is correct
21 Correct 6 ms 6104 KB Output is correct
22 Correct 7 ms 6132 KB Output is correct
23 Correct 6 ms 5836 KB Output is correct
24 Correct 8 ms 6280 KB Output is correct
25 Correct 7 ms 6092 KB Output is correct
26 Correct 7 ms 6404 KB Output is correct
27 Correct 8 ms 6220 KB Output is correct
28 Correct 8 ms 6348 KB Output is correct
29 Correct 8 ms 6476 KB Output is correct
30 Correct 8 ms 6476 KB Output is correct
31 Correct 8 ms 6476 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 9 ms 6476 KB Output is correct
6 Correct 8 ms 6140 KB Output is correct
7 Correct 9 ms 5964 KB Output is correct
8 Correct 10 ms 6536 KB Output is correct
9 Correct 8 ms 6092 KB Output is correct
10 Correct 7 ms 5964 KB Output is correct
11 Correct 6 ms 5708 KB Output is correct
12 Correct 7 ms 6348 KB Output is correct
13 Correct 6 ms 6348 KB Output is correct
14 Correct 9 ms 5996 KB Output is correct
15 Correct 7 ms 5964 KB Output is correct
16 Correct 10 ms 7016 KB Output is correct
17 Correct 10 ms 6348 KB Output is correct
18 Correct 8 ms 5668 KB Output is correct
19 Correct 11 ms 6164 KB Output is correct
20 Correct 7 ms 6092 KB Output is correct
21 Correct 6 ms 6104 KB Output is correct
22 Correct 7 ms 6132 KB Output is correct
23 Correct 6 ms 5836 KB Output is correct
24 Correct 8 ms 6280 KB Output is correct
25 Correct 7 ms 6092 KB Output is correct
26 Correct 7 ms 6404 KB Output is correct
27 Correct 8 ms 6220 KB Output is correct
28 Correct 8 ms 6348 KB Output is correct
29 Correct 8 ms 6476 KB Output is correct
30 Correct 8 ms 6476 KB Output is correct
31 Correct 8 ms 6476 KB Output is correct
32 Correct 9 ms 6604 KB Output is correct
33 Correct 367 ms 82884 KB Output is correct
34 Correct 296 ms 58036 KB Output is correct
35 Correct 375 ms 79676 KB Output is correct
36 Correct 278 ms 58052 KB Output is correct
37 Correct 219 ms 39328 KB Output is correct
38 Correct 245 ms 33292 KB Output is correct
39 Correct 207 ms 59132 KB Output is correct
40 Correct 189 ms 59196 KB Output is correct
41 Correct 141 ms 59004 KB Output is correct
42 Correct 195 ms 45136 KB Output is correct
43 Correct 191 ms 44964 KB Output is correct
44 Correct 354 ms 109084 KB Output is correct
45 Correct 251 ms 73428 KB Output is correct
46 Correct 137 ms 33220 KB Output is correct
47 Correct 311 ms 54340 KB Output is correct
48 Correct 183 ms 47276 KB Output is correct
49 Correct 138 ms 47252 KB Output is correct
50 Correct 222 ms 49572 KB Output is correct
51 Correct 160 ms 37104 KB Output is correct
52 Correct 259 ms 55236 KB Output is correct
53 Correct 164 ms 48104 KB Output is correct
54 Correct 173 ms 58992 KB Output is correct
55 Correct 231 ms 57012 KB Output is correct
56 Correct 249 ms 63104 KB Output is correct
57 Correct 219 ms 66104 KB Output is correct
58 Correct 241 ms 63716 KB Output is correct
59 Correct 254 ms 63804 KB Output is correct

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 3 ms 4940 KB Output is correct
4 Correct 4 ms 4940 KB Output is correct
5 Correct 9 ms 6476 KB Output is correct
6 Correct 8 ms 6140 KB Output is correct
7 Correct 9 ms 5964 KB Output is correct
8 Correct 10 ms 6536 KB Output is correct
9 Correct 8 ms 6092 KB Output is correct
10 Correct 7 ms 5964 KB Output is correct
11 Correct 6 ms 5708 KB Output is correct
12 Correct 7 ms 6348 KB Output is correct
13 Correct 6 ms 6348 KB Output is correct
14 Correct 9 ms 5996 KB Output is correct
15 Correct 7 ms 5964 KB Output is correct
16 Correct 10 ms 7016 KB Output is correct
17 Correct 10 ms 6348 KB Output is correct
18 Correct 8 ms 5668 KB Output is correct
19 Correct 11 ms 6164 KB Output is correct
20 Correct 7 ms 6092 KB Output is correct
21 Correct 6 ms 6104 KB Output is correct
22 Correct 7 ms 6132 KB Output is correct
23 Correct 6 ms 5836 KB Output is correct
24 Correct 8 ms 6280 KB Output is correct
25 Correct 7 ms 6092 KB Output is correct
26 Correct 7 ms 6404 KB Output is correct
27 Correct 8 ms 6220 KB Output is correct
28 Correct 8 ms 6348 KB Output is correct
29 Correct 8 ms 6476 KB Output is correct
30 Correct 8 ms 6476 KB Output is correct
31 Correct 8 ms 6476 KB Output is correct
32 Correct 9 ms 6604 KB Output is correct
33 Correct 367 ms 82884 KB Output is correct
34 Correct 296 ms 58036 KB Output is correct
35 Correct 375 ms 79676 KB Output is correct
36 Correct 278 ms 58052 KB Output is correct
37 Correct 219 ms 39328 KB Output is correct
38 Correct 245 ms 33292 KB Output is correct
39 Correct 207 ms 59132 KB Output is correct
40 Correct 189 ms 59196 KB Output is correct
41 Correct 141 ms 59004 KB Output is correct
42 Correct 195 ms 45136 KB Output is correct
43 Correct 191 ms 44964 KB Output is correct
44 Correct 354 ms 109084 KB Output is correct
45 Correct 251 ms 73428 KB Output is correct
46 Correct 137 ms 33220 KB Output is correct
47 Correct 311 ms 54340 KB Output is correct
48 Correct 183 ms 47276 KB Output is correct
49 Correct 138 ms 47252 KB Output is correct
50 Correct 222 ms 49572 KB Output is correct
51 Correct 160 ms 37104 KB Output is correct
52 Correct 259 ms 55236 KB Output is correct
53 Correct 164 ms 48104 KB Output is correct
54 Correct 173 ms 58992 KB Output is correct
55 Correct 231 ms 57012 KB Output is correct
56 Correct 249 ms 63104 KB Output is correct
57 Correct 219 ms 66104 KB Output is correct
58 Correct 241 ms 63716 KB Output is correct
59 Correct 254 ms 63804 KB Output is correct
60 Correct 3 ms 4940 KB Output is correct
61 Correct 3 ms 5024 KB Output is correct
62 Correct 3 ms 4940 KB Output is correct
63 Correct 3 ms 4940 KB Output is correct
64 Incorrect 386 ms 72308 KB Output isn't correct
65 Halted 0 ms 0 KB -