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Submission #640781

# Submission time Handle Problem Language Result Execution time Memory
640781 2022-09-15T08:12:01 Z wiktorlew Catfish Farm (IOI22_fish) C++17
100 / 100
 738 ms 111292 KB 
#include <bits/stdc++.h>
#define pb push_back
#define ll long long
using namespace std;
const int N = 1e5 + 5;
const long long LL = 1e18;
ll ans;
map<ll, ll> dp[N][2];
vector<pair<ll, ll>> pref[N];
vector<int> wys[N];
bool ok[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]});
		if(Y[i]==0) ok[X[i]]=true;
		wys[X[i]].pb(Y[i]);
	}
	for(int i = 0; i < n; ++i) {
        wys[i].pb(n);
        if(!ok[i]) wys[i].pb(0);
        sort(wys[i].begin(), 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

# Verdict Execution time Memory Grader output
1 Correct 220 ms 67412 KB Output is correct
2 Correct 267 ms 74992 KB Output is correct
3 Correct 114 ms 58376 KB Output is correct
4 Correct 111 ms 58208 KB Output is correct
5 Correct 738 ms 108940 KB Output is correct
6 Correct 415 ms 110920 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 387 ms 81400 KB Output is correct
3 Correct 472 ms 91896 KB Output is correct
4 Correct 219 ms 67484 KB Output is correct
5 Correct 272 ms 75020 KB Output is correct
6 Correct 7 ms 14320 KB Output is correct
7 Correct 7 ms 14292 KB Output is correct
8 Correct 7 ms 14284 KB Output is correct
9 Correct 7 ms 14292 KB Output is correct
10 Correct 122 ms 58284 KB Output is correct
11 Correct 120 ms 58136 KB Output is correct
12 Correct 264 ms 67600 KB Output is correct
13 Correct 306 ms 75064 KB Output is correct
14 Correct 232 ms 67580 KB Output is correct
15 Correct 277 ms 73496 KB Output is correct
16 Correct 247 ms 67552 KB Output is correct
17 Correct 268 ms 73308 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 58272 KB Output is correct
2 Correct 119 ms 58220 KB Output is correct
3 Correct 136 ms 56532 KB Output is correct
4 Correct 141 ms 59672 KB Output is correct
5 Correct 187 ms 65256 KB Output is correct
6 Correct 183 ms 65276 KB Output is correct
7 Correct 189 ms 65256 KB Output is correct
8 Correct 184 ms 65240 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 7 ms 14292 KB Output is correct
3 Correct 7 ms 14292 KB Output is correct
4 Correct 7 ms 14292 KB Output is correct
5 Correct 7 ms 14292 KB Output is correct
6 Correct 7 ms 14292 KB Output is correct
7 Correct 7 ms 14396 KB Output is correct
8 Correct 7 ms 14292 KB Output is correct
9 Correct 8 ms 14548 KB Output is correct
10 Correct 9 ms 14872 KB Output is correct
11 Correct 9 ms 14548 KB Output is correct
12 Correct 8 ms 14676 KB Output is correct
13 Correct 7 ms 14420 KB Output is correct
14 Correct 8 ms 14648 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 7 ms 14292 KB Output is correct
3 Correct 7 ms 14292 KB Output is correct
4 Correct 7 ms 14292 KB Output is correct
5 Correct 7 ms 14292 KB Output is correct
6 Correct 7 ms 14292 KB Output is correct
7 Correct 7 ms 14396 KB Output is correct
8 Correct 7 ms 14292 KB Output is correct
9 Correct 8 ms 14548 KB Output is correct
10 Correct 9 ms 14872 KB Output is correct
11 Correct 9 ms 14548 KB Output is correct
12 Correct 8 ms 14676 KB Output is correct
13 Correct 7 ms 14420 KB Output is correct
14 Correct 8 ms 14648 KB Output is correct
15 Correct 8 ms 14548 KB Output is correct
16 Correct 12 ms 14776 KB Output is correct
17 Correct 58 ms 22132 KB Output is correct
18 Correct 58 ms 22708 KB Output is correct
19 Correct 52 ms 22652 KB Output is correct
20 Correct 54 ms 22636 KB Output is correct
21 Correct 52 ms 22548 KB Output is correct
22 Correct 104 ms 30824 KB Output is correct
23 Correct 15 ms 16084 KB Output is correct
24 Correct 41 ms 19640 KB Output is correct
25 Correct 8 ms 14612 KB Output is correct
26 Correct 15 ms 15956 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 7 ms 14292 KB Output is correct
3 Correct 7 ms 14292 KB Output is correct
4 Correct 7 ms 14292 KB Output is correct
5 Correct 7 ms 14292 KB Output is correct
6 Correct 7 ms 14292 KB Output is correct
7 Correct 7 ms 14396 KB Output is correct
8 Correct 7 ms 14292 KB Output is correct
9 Correct 8 ms 14548 KB Output is correct
10 Correct 9 ms 14872 KB Output is correct
11 Correct 9 ms 14548 KB Output is correct
12 Correct 8 ms 14676 KB Output is correct
13 Correct 7 ms 14420 KB Output is correct
14 Correct 8 ms 14648 KB Output is correct
15 Correct 8 ms 14548 KB Output is correct
16 Correct 12 ms 14776 KB Output is correct
17 Correct 58 ms 22132 KB Output is correct
18 Correct 58 ms 22708 KB Output is correct
19 Correct 52 ms 22652 KB Output is correct
20 Correct 54 ms 22636 KB Output is correct
21 Correct 52 ms 22548 KB Output is correct
22 Correct 104 ms 30824 KB Output is correct
23 Correct 15 ms 16084 KB Output is correct
24 Correct 41 ms 19640 KB Output is correct
25 Correct 8 ms 14612 KB Output is correct
26 Correct 15 ms 15956 KB Output is correct
27 Correct 12 ms 16192 KB Output is correct
28 Correct 269 ms 53168 KB Output is correct
29 Correct 424 ms 68032 KB Output is correct
30 Correct 316 ms 67788 KB Output is correct
31 Correct 322 ms 67868 KB Output is correct
32 Correct 350 ms 68556 KB Output is correct
33 Correct 328 ms 67812 KB Output is correct
34 Correct 319 ms 67828 KB Output is correct
35 Correct 119 ms 36156 KB Output is correct
36 Correct 361 ms 69652 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 58272 KB Output is correct
2 Correct 119 ms 58220 KB Output is correct
3 Correct 136 ms 56532 KB Output is correct
4 Correct 141 ms 59672 KB Output is correct
5 Correct 187 ms 65256 KB Output is correct
6 Correct 183 ms 65276 KB Output is correct
7 Correct 189 ms 65256 KB Output is correct
8 Correct 184 ms 65240 KB Output is correct
9 Correct 226 ms 77788 KB Output is correct
10 Correct 128 ms 48216 KB Output is correct
11 Correct 282 ms 82020 KB Output is correct
12 Correct 7 ms 14292 KB Output is correct
13 Correct 8 ms 14292 KB Output is correct
14 Correct 7 ms 14292 KB Output is correct
15 Correct 7 ms 14292 KB Output is correct
16 Correct 7 ms 14336 KB Output is correct
17 Correct 7 ms 14352 KB Output is correct
18 Correct 123 ms 58152 KB Output is correct
19 Correct 119 ms 58160 KB Output is correct
20 Correct 119 ms 58116 KB Output is correct
21 Correct 118 ms 58196 KB Output is correct
22 Correct 224 ms 75124 KB Output is correct
23 Correct 305 ms 93808 KB Output is correct
24 Correct 302 ms 94472 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 220 ms 67412 KB Output is correct
2 Correct 267 ms 74992 KB Output is correct
3 Correct 114 ms 58376 KB Output is correct
4 Correct 111 ms 58208 KB Output is correct
5 Correct 738 ms 108940 KB Output is correct
6 Correct 415 ms 110920 KB Output is correct
7 Correct 7 ms 14292 KB Output is correct
8 Correct 387 ms 81400 KB Output is correct
9 Correct 472 ms 91896 KB Output is correct
10 Correct 219 ms 67484 KB Output is correct
11 Correct 272 ms 75020 KB Output is correct
12 Correct 7 ms 14320 KB Output is correct
13 Correct 7 ms 14292 KB Output is correct
14 Correct 7 ms 14284 KB Output is correct
15 Correct 7 ms 14292 KB Output is correct
16 Correct 122 ms 58284 KB Output is correct
17 Correct 120 ms 58136 KB Output is correct
18 Correct 264 ms 67600 KB Output is correct
19 Correct 306 ms 75064 KB Output is correct
20 Correct 232 ms 67580 KB Output is correct
21 Correct 277 ms 73496 KB Output is correct
22 Correct 247 ms 67552 KB Output is correct
23 Correct 268 ms 73308 KB Output is correct
24 Correct 116 ms 58272 KB Output is correct
25 Correct 119 ms 58220 KB Output is correct
26 Correct 136 ms 56532 KB Output is correct
27 Correct 141 ms 59672 KB Output is correct
28 Correct 187 ms 65256 KB Output is correct
29 Correct 183 ms 65276 KB Output is correct
30 Correct 189 ms 65256 KB Output is correct
31 Correct 184 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 7 ms 14292 KB Output is correct
35 Correct 7 ms 14292 KB Output is correct
36 Correct 7 ms 14292 KB Output is correct
37 Correct 7 ms 14292 KB Output is correct
38 Correct 7 ms 14396 KB Output is correct
39 Correct 7 ms 14292 KB Output is correct
40 Correct 8 ms 14548 KB Output is correct
41 Correct 9 ms 14872 KB Output is correct
42 Correct 9 ms 14548 KB Output is correct
43 Correct 8 ms 14676 KB Output is correct
44 Correct 7 ms 14420 KB Output is correct
45 Correct 8 ms 14648 KB Output is correct
46 Correct 8 ms 14548 KB Output is correct
47 Correct 12 ms 14776 KB Output is correct
48 Correct 58 ms 22132 KB Output is correct
49 Correct 58 ms 22708 KB Output is correct
50 Correct 52 ms 22652 KB Output is correct
51 Correct 54 ms 22636 KB Output is correct
52 Correct 52 ms 22548 KB Output is correct
53 Correct 104 ms 30824 KB Output is correct
54 Correct 15 ms 16084 KB Output is correct
55 Correct 41 ms 19640 KB Output is correct
56 Correct 8 ms 14612 KB Output is correct
57 Correct 15 ms 15956 KB Output is correct
58 Correct 12 ms 16192 KB Output is correct
59 Correct 269 ms 53168 KB Output is correct
60 Correct 424 ms 68032 KB Output is correct
61 Correct 316 ms 67788 KB Output is correct
62 Correct 322 ms 67868 KB Output is correct
63 Correct 350 ms 68556 KB Output is correct
64 Correct 328 ms 67812 KB Output is correct
65 Correct 319 ms 67828 KB Output is correct
66 Correct 119 ms 36156 KB Output is correct
67 Correct 361 ms 69652 KB Output is correct
68 Correct 226 ms 77788 KB Output is correct
69 Correct 128 ms 48216 KB Output is correct
70 Correct 282 ms 82020 KB Output is correct
71 Correct 7 ms 14292 KB Output is correct
72 Correct 8 ms 14292 KB Output is correct
73 Correct 7 ms 14292 KB Output is correct
74 Correct 7 ms 14292 KB Output is correct
75 Correct 7 ms 14336 KB Output is correct
76 Correct 7 ms 14352 KB Output is correct
77 Correct 123 ms 58152 KB Output is correct
78 Correct 119 ms 58160 KB Output is correct
79 Correct 119 ms 58116 KB Output is correct
80 Correct 118 ms 58196 KB Output is correct
81 Correct 224 ms 75124 KB Output is correct
82 Correct 305 ms 93808 KB Output is correct
83 Correct 302 ms 94472 KB Output is correct
84 Correct 630 ms 105032 KB Output is correct
85 Correct 644 ms 109124 KB Output is correct
86 Correct 415 ms 106456 KB Output is correct
87 Correct 454 ms 111212 KB Output is correct
88 Correct 7 ms 14292 KB Output is correct
89 Correct 480 ms 111292 KB Output is correct
90 Correct 405 ms 108976 KB Output is correct
91 Correct 396 ms 108492 KB Output is correct