답안 #640778

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
640778	2022-09-15T08:09:18 Z	wiktorlew	메기 농장 (IOI22_fish)	C++17	100 / 100	750 ms	111248 KB

fish

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
using namespace std;
const int N = 1e5 + 5;
const int M = 3e5 + 5;
const long long LL = 1e18;
ll ans;
map<ll, ll> dp[N][2];
vector<pair<ll, ll>> pref[N];
vector<int> wys[N];
ll max_weights(int n, int m, vector<int>X, vector<int>Y, vector<int>Z){
	cin>>n>>m;
	for(int i=0;i<m;i++){
		pref[X[i]].pb({Y[i], Z[i]});
		wys[X[i]].pb(Y[i]);
	}
	for(int i = 0; i < n; ++i) {
        wys[i].pb(n);
        wys[i].pb(0);
        sort(wys[i].begin(), wys[i].end());
        wys[i].erase(unique(wys[i].begin(), wys[i].end()), wys[i].end());
    }
	for(int i=0;i<n;i++){
		sort(pref[i].begin(), pref[i].end());
		ll suma=0;
		for(int j=0;j<(int)pref[i].size();j++) {
            suma+=pref[i][j].second;
            pref[i][j].second = suma;
        }
        pref[i].insert(pref[i].begin(), make_pair(-1, 0));
	}
	for(int i=1;i<n;i++){
		vector<pair<ll, ll>> spr1, spr2;
		for(ll pom : wys[i-1]){
			dp[i][0][0]=max({dp[i][0][0], dp[i-1][0][pom], dp[i-1][1][pom]});
			dp[i][1][0]=max({dp[i][1][0], dp[i-1][0][pom], dp[i-1][1][pom]});
			ll res=0;
			if(!spr1.empty()) res=spr1.back().second;
			auto it = upper_bound(pref[i-1].begin(), pref[i-1].end(), make_pair(pom-1, LL));
			it--;
			res=max(res, dp[i-1][0][pom]-it->second);
			spr1.pb({pom, res});
		}
		reverse(wys[i-1].begin(), wys[i-1].end());
		for(ll pom : wys[i-1]){
			ll res=0;
			if(!spr2.empty()) res=spr2.back().second;
			auto it = upper_bound(pref[i].begin(), pref[i].end(), make_pair(pom-1, LL));
			it--;
			res = max(res, dp[i - 1][0][pom] + it->second);
            res = max(res, dp[i - 1][1][pom] + it->second);
            spr2.pb({pom, res});
		}
		reverse(spr2.begin(), spr2.end());
		for(ll pom : wys[i]){
			auto op1 = upper_bound(spr1.begin(), spr1.end(), make_pair(pom, LL));
			op1--;
			auto op2 = lower_bound(spr2.begin(), spr2.end(), make_pair(pom, -LL));
			auto tmp1 = upper_bound(pref[i-1].begin(), pref[i-1].end(), make_pair(pom-1, LL));
			tmp1--;
			dp[i][0][pom]=max(dp[i][0][pom], op1->second + tmp1->second);
			auto tmp2 = upper_bound(pref[i].begin(), pref[i].end(), make_pair(pom-1, LL));
			tmp2--;
			dp[i][1][pom]=max(dp[i][1][pom], op2->second - tmp2->second);
		}
	}
	for(int i=0;i<=n;i++){
		ans = max({ans, dp[n-1][0][i], dp[n-1][1][i]});
	}
	return ans;
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	239 ms	67416 KB	Output is correct
2	Correct	272 ms	75024 KB	Output is correct
3	Correct	140 ms	58136 KB	Output is correct
4	Correct	120 ms	58200 KB	Output is correct
5	Correct	750 ms	108836 KB	Output is correct
6	Correct	493 ms	110940 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	14360 KB	Output is correct
2	Correct	434 ms	81332 KB	Output is correct
3	Correct	542 ms	91836 KB	Output is correct
4	Correct	257 ms	67412 KB	Output is correct
5	Correct	293 ms	75008 KB	Output is correct
6	Correct	7 ms	14292 KB	Output is correct
7	Correct	12 ms	14296 KB	Output is correct
8	Correct	9 ms	14292 KB	Output is correct
9	Correct	7 ms	14292 KB	Output is correct
10	Correct	122 ms	58188 KB	Output is correct
11	Correct	120 ms	58100 KB	Output is correct
12	Correct	275 ms	67576 KB	Output is correct
13	Correct	315 ms	75004 KB	Output is correct
14	Correct	232 ms	67384 KB	Output is correct
15	Correct	272 ms	73488 KB	Output is correct
16	Correct	237 ms	67476 KB	Output is correct
17	Correct	271 ms	73268 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	118 ms	58196 KB	Output is correct
2	Correct	119 ms	58184 KB	Output is correct
3	Correct	141 ms	56468 KB	Output is correct
4	Correct	142 ms	59588 KB	Output is correct
5	Correct	194 ms	65240 KB	Output is correct
6	Correct	189 ms	65228 KB	Output is correct
7	Correct	183 ms	65220 KB	Output is correct
8	Correct	188 ms	65240 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	14292 KB	Output is correct
2	Correct	7 ms	14292 KB	Output is correct
3	Correct	8 ms	14292 KB	Output is correct
4	Correct	7 ms	14292 KB	Output is correct
5	Correct	8 ms	14292 KB	Output is correct
6	Correct	7 ms	14292 KB	Output is correct
7	Correct	7 ms	14292 KB	Output is correct
8	Correct	7 ms	14292 KB	Output is correct
9	Correct	8 ms	14420 KB	Output is correct
10	Correct	9 ms	14804 KB	Output is correct
11	Correct	8 ms	14548 KB	Output is correct
12	Correct	8 ms	14676 KB	Output is correct
13	Correct	8 ms	14420 KB	Output is correct
14	Correct	8 ms	14612 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	14292 KB	Output is correct
2	Correct	7 ms	14292 KB	Output is correct
3	Correct	8 ms	14292 KB	Output is correct
4	Correct	7 ms	14292 KB	Output is correct
5	Correct	8 ms	14292 KB	Output is correct
6	Correct	7 ms	14292 KB	Output is correct
7	Correct	7 ms	14292 KB	Output is correct
8	Correct	7 ms	14292 KB	Output is correct
9	Correct	8 ms	14420 KB	Output is correct
10	Correct	9 ms	14804 KB	Output is correct
11	Correct	8 ms	14548 KB	Output is correct
12	Correct	8 ms	14676 KB	Output is correct
13	Correct	8 ms	14420 KB	Output is correct
14	Correct	8 ms	14612 KB	Output is correct
15	Correct	7 ms	14548 KB	Output is correct
16	Correct	9 ms	14676 KB	Output is correct
17	Correct	58 ms	22160 KB	Output is correct
18	Correct	61 ms	22784 KB	Output is correct
19	Correct	55 ms	22732 KB	Output is correct
20	Correct	55 ms	22616 KB	Output is correct
21	Correct	54 ms	22604 KB	Output is correct
22	Correct	110 ms	30812 KB	Output is correct
23	Correct	15 ms	16084 KB	Output is correct
24	Correct	40 ms	19712 KB	Output is correct
25	Correct	8 ms	14716 KB	Output is correct
26	Correct	15 ms	15956 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	14292 KB	Output is correct
2	Correct	7 ms	14292 KB	Output is correct
3	Correct	8 ms	14292 KB	Output is correct
4	Correct	7 ms	14292 KB	Output is correct
5	Correct	8 ms	14292 KB	Output is correct
6	Correct	7 ms	14292 KB	Output is correct
7	Correct	7 ms	14292 KB	Output is correct
8	Correct	7 ms	14292 KB	Output is correct
9	Correct	8 ms	14420 KB	Output is correct
10	Correct	9 ms	14804 KB	Output is correct
11	Correct	8 ms	14548 KB	Output is correct
12	Correct	8 ms	14676 KB	Output is correct
13	Correct	8 ms	14420 KB	Output is correct
14	Correct	8 ms	14612 KB	Output is correct
15	Correct	7 ms	14548 KB	Output is correct
16	Correct	9 ms	14676 KB	Output is correct
17	Correct	58 ms	22160 KB	Output is correct
18	Correct	61 ms	22784 KB	Output is correct
19	Correct	55 ms	22732 KB	Output is correct
20	Correct	55 ms	22616 KB	Output is correct
21	Correct	54 ms	22604 KB	Output is correct
22	Correct	110 ms	30812 KB	Output is correct
23	Correct	15 ms	16084 KB	Output is correct
24	Correct	40 ms	19712 KB	Output is correct
25	Correct	8 ms	14716 KB	Output is correct
26	Correct	15 ms	15956 KB	Output is correct
27	Correct	12 ms	16212 KB	Output is correct
28	Correct	276 ms	53144 KB	Output is correct
29	Correct	437 ms	68040 KB	Output is correct
30	Correct	326 ms	67788 KB	Output is correct
31	Correct	328 ms	67824 KB	Output is correct
32	Correct	368 ms	68636 KB	Output is correct
33	Correct	325 ms	67824 KB	Output is correct
34	Correct	323 ms	67824 KB	Output is correct
35	Correct	120 ms	36228 KB	Output is correct
36	Correct	350 ms	69580 KB	Output is correct

Subtask #7
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	118 ms	58196 KB	Output is correct
2	Correct	119 ms	58184 KB	Output is correct
3	Correct	141 ms	56468 KB	Output is correct
4	Correct	142 ms	59588 KB	Output is correct
5	Correct	194 ms	65240 KB	Output is correct
6	Correct	189 ms	65228 KB	Output is correct
7	Correct	183 ms	65220 KB	Output is correct
8	Correct	188 ms	65240 KB	Output is correct
9	Correct	223 ms	77768 KB	Output is correct
10	Correct	135 ms	48076 KB	Output is correct
11	Correct	270 ms	81888 KB	Output is correct
12	Correct	7 ms	14292 KB	Output is correct
13	Correct	7 ms	14292 KB	Output is correct
14	Correct	6 ms	14292 KB	Output is correct
15	Correct	7 ms	14388 KB	Output is correct
16	Correct	7 ms	14356 KB	Output is correct
17	Correct	7 ms	14292 KB	Output is correct
18	Correct	125 ms	58124 KB	Output is correct
19	Correct	125 ms	58184 KB	Output is correct
20	Correct	116 ms	58156 KB	Output is correct
21	Correct	121 ms	58128 KB	Output is correct
22	Correct	220 ms	75028 KB	Output is correct
23	Correct	347 ms	93620 KB	Output is correct
24	Correct	329 ms	94572 KB	Output is correct

Subtask #8
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	239 ms	67416 KB	Output is correct
2	Correct	272 ms	75024 KB	Output is correct
3	Correct	140 ms	58136 KB	Output is correct
4	Correct	120 ms	58200 KB	Output is correct
5	Correct	750 ms	108836 KB	Output is correct
6	Correct	493 ms	110940 KB	Output is correct
7	Correct	8 ms	14360 KB	Output is correct
8	Correct	434 ms	81332 KB	Output is correct
9	Correct	542 ms	91836 KB	Output is correct
10	Correct	257 ms	67412 KB	Output is correct
11	Correct	293 ms	75008 KB	Output is correct
12	Correct	7 ms	14292 KB	Output is correct
13	Correct	12 ms	14296 KB	Output is correct
14	Correct	9 ms	14292 KB	Output is correct
15	Correct	7 ms	14292 KB	Output is correct
16	Correct	122 ms	58188 KB	Output is correct
17	Correct	120 ms	58100 KB	Output is correct
18	Correct	275 ms	67576 KB	Output is correct
19	Correct	315 ms	75004 KB	Output is correct
20	Correct	232 ms	67384 KB	Output is correct
21	Correct	272 ms	73488 KB	Output is correct
22	Correct	237 ms	67476 KB	Output is correct
23	Correct	271 ms	73268 KB	Output is correct
24	Correct	118 ms	58196 KB	Output is correct
25	Correct	119 ms	58184 KB	Output is correct
26	Correct	141 ms	56468 KB	Output is correct
27	Correct	142 ms	59588 KB	Output is correct
28	Correct	194 ms	65240 KB	Output is correct
29	Correct	189 ms	65228 KB	Output is correct
30	Correct	183 ms	65220 KB	Output is correct
31	Correct	188 ms	65240 KB	Output is correct
32	Correct	7 ms	14292 KB	Output is correct
33	Correct	7 ms	14292 KB	Output is correct
34	Correct	8 ms	14292 KB	Output is correct
35	Correct	7 ms	14292 KB	Output is correct
36	Correct	8 ms	14292 KB	Output is correct
37	Correct	7 ms	14292 KB	Output is correct
38	Correct	7 ms	14292 KB	Output is correct
39	Correct	7 ms	14292 KB	Output is correct
40	Correct	8 ms	14420 KB	Output is correct
41	Correct	9 ms	14804 KB	Output is correct
42	Correct	8 ms	14548 KB	Output is correct
43	Correct	8 ms	14676 KB	Output is correct
44	Correct	8 ms	14420 KB	Output is correct
45	Correct	8 ms	14612 KB	Output is correct
46	Correct	7 ms	14548 KB	Output is correct
47	Correct	9 ms	14676 KB	Output is correct
48	Correct	58 ms	22160 KB	Output is correct
49	Correct	61 ms	22784 KB	Output is correct
50	Correct	55 ms	22732 KB	Output is correct
51	Correct	55 ms	22616 KB	Output is correct
52	Correct	54 ms	22604 KB	Output is correct
53	Correct	110 ms	30812 KB	Output is correct
54	Correct	15 ms	16084 KB	Output is correct
55	Correct	40 ms	19712 KB	Output is correct
56	Correct	8 ms	14716 KB	Output is correct
57	Correct	15 ms	15956 KB	Output is correct
58	Correct	12 ms	16212 KB	Output is correct
59	Correct	276 ms	53144 KB	Output is correct
60	Correct	437 ms	68040 KB	Output is correct
61	Correct	326 ms	67788 KB	Output is correct
62	Correct	328 ms	67824 KB	Output is correct
63	Correct	368 ms	68636 KB	Output is correct
64	Correct	325 ms	67824 KB	Output is correct
65	Correct	323 ms	67824 KB	Output is correct
66	Correct	120 ms	36228 KB	Output is correct
67	Correct	350 ms	69580 KB	Output is correct
68	Correct	223 ms	77768 KB	Output is correct
69	Correct	135 ms	48076 KB	Output is correct
70	Correct	270 ms	81888 KB	Output is correct
71	Correct	7 ms	14292 KB	Output is correct
72	Correct	7 ms	14292 KB	Output is correct
73	Correct	6 ms	14292 KB	Output is correct
74	Correct	7 ms	14388 KB	Output is correct
75	Correct	7 ms	14356 KB	Output is correct
76	Correct	7 ms	14292 KB	Output is correct
77	Correct	125 ms	58124 KB	Output is correct
78	Correct	125 ms	58184 KB	Output is correct
79	Correct	116 ms	58156 KB	Output is correct
80	Correct	121 ms	58128 KB	Output is correct
81	Correct	220 ms	75028 KB	Output is correct
82	Correct	347 ms	93620 KB	Output is correct
83	Correct	329 ms	94572 KB	Output is correct
84	Correct	630 ms	104936 KB	Output is correct
85	Correct	677 ms	109128 KB	Output is correct
86	Correct	431 ms	106464 KB	Output is correct
87	Correct	443 ms	111232 KB	Output is correct
88	Correct	7 ms	14292 KB	Output is correct
89	Correct	452 ms	111248 KB	Output is correct
90	Correct	425 ms	108848 KB	Output is correct
91	Correct	389 ms	108528 KB	Output is correct

답안 #640778

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