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Submission #640775

# Submission time Handle Problem Language Result Execution time Memory
640775 2022-09-15T08:08:05 Z wiktorlew Catfish Farm (IOI22_fish) C++17
100 / 100
 735 ms 113080 KB 
#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, LLONG_MAX));
			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, LLONG_MAX));
			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, LLONG_MAX));
			op1--;
			auto op2 = lower_bound(spr2.begin(), spr2.end(), make_pair(pom, LLONG_MIN));
			auto tmp1 = upper_bound(pref[i-1].begin(), pref[i-1].end(), make_pair(pom-1, LLONG_MAX));
			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, LLONG_MAX));
			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

# Verdict Execution time Memory Grader output
1 Correct 246 ms 68512 KB Output is correct
2 Correct 297 ms 76420 KB Output is correct
3 Correct 141 ms 58188 KB Output is correct
4 Correct 131 ms 58208 KB Output is correct
5 Correct 735 ms 110808 KB Output is correct
6 Correct 422 ms 112900 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14292 KB Output is correct
2 Correct 405 ms 83724 KB Output is correct
3 Correct 458 ms 95028 KB Output is correct
4 Correct 221 ms 68568 KB Output is correct
5 Correct 263 ms 76468 KB Output is correct
6 Correct 7 ms 14292 KB Output is correct
7 Correct 8 ms 14388 KB Output is correct
8 Correct 7 ms 14292 KB Output is correct
9 Correct 7 ms 14292 KB Output is correct
10 Correct 117 ms 58164 KB Output is correct
11 Correct 117 ms 58208 KB Output is correct
12 Correct 266 ms 68548 KB Output is correct
13 Correct 303 ms 76496 KB Output is correct
14 Correct 233 ms 68552 KB Output is correct
15 Correct 280 ms 74824 KB Output is correct
16 Correct 244 ms 68680 KB Output is correct
17 Correct 261 ms 74612 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 123 ms 58188 KB Output is correct
2 Correct 119 ms 58176 KB Output is correct
3 Correct 147 ms 57092 KB Output is correct
4 Correct 146 ms 59724 KB Output is correct
5 Correct 182 ms 65196 KB Output is correct
6 Correct 182 ms 65996 KB Output is correct
7 Correct 189 ms 66528 KB Output is correct
8 Correct 186 ms 66568 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14312 KB Output is correct
2 Correct 7 ms 14292 KB Output is correct
3 Correct 7 ms 14304 KB Output is correct
4 Correct 7 ms 14344 KB Output is correct
5 Correct 7 ms 14292 KB Output is correct
6 Correct 7 ms 14296 KB Output is correct
7 Correct 7 ms 14292 KB Output is correct
8 Correct 9 ms 14292 KB Output is correct
9 Correct 8 ms 14420 KB Output is correct
10 Correct 9 ms 14876 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 14548 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14312 KB Output is correct
2 Correct 7 ms 14292 KB Output is correct
3 Correct 7 ms 14304 KB Output is correct
4 Correct 7 ms 14344 KB Output is correct
5 Correct 7 ms 14292 KB Output is correct
6 Correct 7 ms 14296 KB Output is correct
7 Correct 7 ms 14292 KB Output is correct
8 Correct 9 ms 14292 KB Output is correct
9 Correct 8 ms 14420 KB Output is correct
10 Correct 9 ms 14876 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 14548 KB Output is correct
15 Correct 8 ms 14548 KB Output is correct
16 Correct 9 ms 14788 KB Output is correct
17 Correct 59 ms 22800 KB Output is correct
18 Correct 59 ms 23352 KB Output is correct
19 Correct 55 ms 23372 KB Output is correct
20 Correct 54 ms 23224 KB Output is correct
21 Correct 53 ms 23272 KB Output is correct
22 Correct 117 ms 32152 KB Output is correct
23 Correct 16 ms 16084 KB Output is correct
24 Correct 40 ms 19972 KB Output is correct
25 Correct 8 ms 14700 KB Output is correct
26 Correct 16 ms 15956 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14312 KB Output is correct
2 Correct 7 ms 14292 KB Output is correct
3 Correct 7 ms 14304 KB Output is correct
4 Correct 7 ms 14344 KB Output is correct
5 Correct 7 ms 14292 KB Output is correct
6 Correct 7 ms 14296 KB Output is correct
7 Correct 7 ms 14292 KB Output is correct
8 Correct 9 ms 14292 KB Output is correct
9 Correct 8 ms 14420 KB Output is correct
10 Correct 9 ms 14876 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 14548 KB Output is correct
15 Correct 8 ms 14548 KB Output is correct
16 Correct 9 ms 14788 KB Output is correct
17 Correct 59 ms 22800 KB Output is correct
18 Correct 59 ms 23352 KB Output is correct
19 Correct 55 ms 23372 KB Output is correct
20 Correct 54 ms 23224 KB Output is correct
21 Correct 53 ms 23272 KB Output is correct
22 Correct 117 ms 32152 KB Output is correct
23 Correct 16 ms 16084 KB Output is correct
24 Correct 40 ms 19972 KB Output is correct
25 Correct 8 ms 14700 KB Output is correct
26 Correct 16 ms 15956 KB Output is correct
27 Correct 12 ms 16212 KB Output is correct
28 Correct 272 ms 56776 KB Output is correct
29 Correct 424 ms 73496 KB Output is correct
30 Correct 324 ms 73332 KB Output is correct
31 Correct 325 ms 73292 KB Output is correct
32 Correct 368 ms 73616 KB Output is correct
33 Correct 319 ms 73248 KB Output is correct
34 Correct 329 ms 72700 KB Output is correct
35 Correct 117 ms 37596 KB Output is correct
36 Correct 358 ms 73036 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 123 ms 58188 KB Output is correct
2 Correct 119 ms 58176 KB Output is correct
3 Correct 147 ms 57092 KB Output is correct
4 Correct 146 ms 59724 KB Output is correct
5 Correct 182 ms 65196 KB Output is correct
6 Correct 182 ms 65996 KB Output is correct
7 Correct 189 ms 66528 KB Output is correct
8 Correct 186 ms 66568 KB Output is correct
9 Correct 230 ms 78392 KB Output is correct
10 Correct 134 ms 49228 KB Output is correct
11 Correct 275 ms 84472 KB Output is correct
12 Correct 7 ms 14292 KB Output is correct
13 Correct 7 ms 14392 KB Output is correct
14 Correct 7 ms 14316 KB Output is correct
15 Correct 7 ms 14292 KB Output is correct
16 Correct 7 ms 14292 KB Output is correct
17 Correct 7 ms 14292 KB Output is correct
18 Correct 131 ms 58084 KB Output is correct
19 Correct 123 ms 58104 KB Output is correct
20 Correct 129 ms 58316 KB Output is correct
21 Correct 146 ms 58196 KB Output is correct
22 Correct 224 ms 76620 KB Output is correct
23 Correct 304 ms 94704 KB Output is correct
24 Correct 313 ms 97196 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 246 ms 68512 KB Output is correct
2 Correct 297 ms 76420 KB Output is correct
3 Correct 141 ms 58188 KB Output is correct
4 Correct 131 ms 58208 KB Output is correct
5 Correct 735 ms 110808 KB Output is correct
6 Correct 422 ms 112900 KB Output is correct
7 Correct 8 ms 14292 KB Output is correct
8 Correct 405 ms 83724 KB Output is correct
9 Correct 458 ms 95028 KB Output is correct
10 Correct 221 ms 68568 KB Output is correct
11 Correct 263 ms 76468 KB Output is correct
12 Correct 7 ms 14292 KB Output is correct
13 Correct 8 ms 14388 KB Output is correct
14 Correct 7 ms 14292 KB Output is correct
15 Correct 7 ms 14292 KB Output is correct
16 Correct 117 ms 58164 KB Output is correct
17 Correct 117 ms 58208 KB Output is correct
18 Correct 266 ms 68548 KB Output is correct
19 Correct 303 ms 76496 KB Output is correct
20 Correct 233 ms 68552 KB Output is correct
21 Correct 280 ms 74824 KB Output is correct
22 Correct 244 ms 68680 KB Output is correct
23 Correct 261 ms 74612 KB Output is correct
24 Correct 123 ms 58188 KB Output is correct
25 Correct 119 ms 58176 KB Output is correct
26 Correct 147 ms 57092 KB Output is correct
27 Correct 146 ms 59724 KB Output is correct
28 Correct 182 ms 65196 KB Output is correct
29 Correct 182 ms 65996 KB Output is correct
30 Correct 189 ms 66528 KB Output is correct
31 Correct 186 ms 66568 KB Output is correct
32 Correct 7 ms 14312 KB Output is correct
33 Correct 7 ms 14292 KB Output is correct
34 Correct 7 ms 14304 KB Output is correct
35 Correct 7 ms 14344 KB Output is correct
36 Correct 7 ms 14292 KB Output is correct
37 Correct 7 ms 14296 KB Output is correct
38 Correct 7 ms 14292 KB Output is correct
39 Correct 9 ms 14292 KB Output is correct
40 Correct 8 ms 14420 KB Output is correct
41 Correct 9 ms 14876 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 14548 KB Output is correct
46 Correct 8 ms 14548 KB Output is correct
47 Correct 9 ms 14788 KB Output is correct
48 Correct 59 ms 22800 KB Output is correct
49 Correct 59 ms 23352 KB Output is correct
50 Correct 55 ms 23372 KB Output is correct
51 Correct 54 ms 23224 KB Output is correct
52 Correct 53 ms 23272 KB Output is correct
53 Correct 117 ms 32152 KB Output is correct
54 Correct 16 ms 16084 KB Output is correct
55 Correct 40 ms 19972 KB Output is correct
56 Correct 8 ms 14700 KB Output is correct
57 Correct 16 ms 15956 KB Output is correct
58 Correct 12 ms 16212 KB Output is correct
59 Correct 272 ms 56776 KB Output is correct
60 Correct 424 ms 73496 KB Output is correct
61 Correct 324 ms 73332 KB Output is correct
62 Correct 325 ms 73292 KB Output is correct
63 Correct 368 ms 73616 KB Output is correct
64 Correct 319 ms 73248 KB Output is correct
65 Correct 329 ms 72700 KB Output is correct
66 Correct 117 ms 37596 KB Output is correct
67 Correct 358 ms 73036 KB Output is correct
68 Correct 230 ms 78392 KB Output is correct
69 Correct 134 ms 49228 KB Output is correct
70 Correct 275 ms 84472 KB Output is correct
71 Correct 7 ms 14292 KB Output is correct
72 Correct 7 ms 14392 KB Output is correct
73 Correct 7 ms 14316 KB Output is correct
74 Correct 7 ms 14292 KB Output is correct
75 Correct 7 ms 14292 KB Output is correct
76 Correct 7 ms 14292 KB Output is correct
77 Correct 131 ms 58084 KB Output is correct
78 Correct 123 ms 58104 KB Output is correct
79 Correct 129 ms 58316 KB Output is correct
80 Correct 146 ms 58196 KB Output is correct
81 Correct 224 ms 76620 KB Output is correct
82 Correct 304 ms 94704 KB Output is correct
83 Correct 313 ms 97196 KB Output is correct
84 Correct 656 ms 109472 KB Output is correct
85 Correct 652 ms 112316 KB Output is correct
86 Correct 433 ms 110336 KB Output is correct
87 Correct 451 ms 113080 KB Output is correct
88 Correct 8 ms 14292 KB Output is correct
89 Correct 450 ms 112392 KB Output is correct
90 Correct 405 ms 109144 KB Output is correct
91 Correct 388 ms 108988 KB Output is correct