Submission #629449

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
629449	2022-08-14T13:46:04 Z	handlename	Catfish Farm (IOI22_fish)	C++17	100 / 100	505 ms	65572 KB

fish

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
 
vector<pair<int,long long> > arr[100005];
long long qry(int col,int height){ //prefixsum of col to height
	if (arr[col].empty()) return 0;
	pair<int,long long> lol=mp(height,1e18);
	int pos=upper_bound(arr[col].begin(),arr[col].end(),lol)-arr[col].begin();
	pos--;
	return arr[col][pos].second;
}
vector<long long> dp1[100005]; //col,height,increasing
vector<long long> dp2[100005]; //col,height,decreasing
vector<long long> whack[100005];
long long max_weights(int n,int m,vector<int> x,vector<int> y,vector<int> w){
	for (int i=0;i<m;i++){
		x[i]++;
		y[i]++;
		arr[x[i]].pb(mp(y[i],w[i]));
	}
	for (int i=1;i<=n;i++){
		arr[i].pb(mp(0,0));
		sort(arr[i].begin(),arr[i].end());
		for (int j=1;j<(int)arr[i].size();j++){
			arr[i][j].second+=arr[i][j-1].second;
		}
		for (auto j:arr[i]){
			whack[i].pb(j.first);
			whack[i+1].pb(j.first);
			whack[i-1].pb(j.first);
		}
	}
	for (int i=0;i<=n;i++){
		sort(whack[i].begin(),whack[i].end());
		whack[i].erase(unique(whack[i].begin(),whack[i].end()),whack[i].end());
		for (int j=0;j<(int) whack[i].size();j++){
			dp1[i].pb(0);
			dp2[i].pb(0);
		}
	}
	for (int i=1;i<=n;i++){ //col
		long long maxi=0,id=0;
		for (int j=0;j<(int)whack[i].size();j++){
			int k=whack[i][j];
			while (id<(int)whack[i-1].size() && whack[i-1][id]<=k){
				maxi=max(maxi,dp1[i-1][id]-qry(i,whack[i-1][id])-qry(i-1,whack[i-1][id]));
				id++;
			}
			dp1[i][j]=maxi+qry(i-1,k)+qry(i+1,k);
		}
		if (i>=2){
			maxi=0;
			id=0;
			for (int j=0;j<(int)whack[i].size();j++){
				int k=whack[i][j];
				while (id<(int)whack[i-2].size() && whack[i-2][id]<=k){
					maxi=max(maxi,dp2[i-2][id]-qry(i-1,whack[i-2][id]));
					id++;
				}
				dp1[i][j]=max(dp1[i][j],maxi+qry(i-1,k)+qry(i+1,k));
			}
			maxi=0;
			id=whack[i-2].size()-1;
			for (int j=whack[i].size()-1;j>=0;j--){
				int k=whack[i][j];
				while (id>=0 && whack[i-2][id]>=k){
					maxi=max(maxi,dp2[i-2][id]);
					id--;
				}
				dp1[i][j]=max(dp1[i][j],maxi+qry(i+1,k));
			}
		}
		maxi=0;
		id=whack[i-1].size()-1;
		for (int j=whack[i].size()-1;j>=0;j--){
			int k=whack[i][j];
			while (id>=0 && whack[i-1][id]>=k){
				maxi=max(maxi,dp2[i-1][id]);
				id--;
			}
			dp2[i][j]=maxi+qry(i+1,k)-qry(i,k);
		}
		for (int j=0;j<(int)whack[i].size();j++){
			dp2[i][j]=max(dp2[i][j],dp1[i][j]);
		}
	}
	long long ans=0;
	for (int j=0;j<(int)dp2[n].size();j++){
		ans=max(ans,dp2[n][j]);
	}
	return ans;
}

Subtask #1
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	118 ms	31668 KB	Output is correct
2	Correct	134 ms	35028 KB	Output is correct
3	Correct	40 ms	23756 KB	Output is correct
4	Correct	41 ms	23712 KB	Output is correct
5	Correct	403 ms	59116 KB	Output is correct
6	Correct	412 ms	65572 KB	Output is correct

Subtask #2
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	9684 KB	Output is correct
2	Correct	222 ms	38364 KB	Output is correct
3	Correct	258 ms	42928 KB	Output is correct
4	Correct	111 ms	31548 KB	Output is correct
5	Correct	132 ms	34924 KB	Output is correct
6	Correct	5 ms	9684 KB	Output is correct
7	Correct	5 ms	9700 KB	Output is correct
8	Correct	5 ms	9684 KB	Output is correct
9	Correct	6 ms	9604 KB	Output is correct
10	Correct	39 ms	23720 KB	Output is correct
11	Correct	43 ms	23660 KB	Output is correct
12	Correct	120 ms	31664 KB	Output is correct
13	Correct	146 ms	35036 KB	Output is correct
14	Correct	125 ms	32480 KB	Output is correct
15	Correct	131 ms	32772 KB	Output is correct
16	Correct	123 ms	32480 KB	Output is correct
17	Correct	134 ms	34696 KB	Output is correct

Subtask #3
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	41 ms	23764 KB	Output is correct
2	Correct	40 ms	23708 KB	Output is correct
3	Correct	71 ms	26308 KB	Output is correct
4	Correct	67 ms	26284 KB	Output is correct
5	Correct	101 ms	31352 KB	Output is correct
6	Correct	99 ms	31364 KB	Output is correct
7	Correct	107 ms	31416 KB	Output is correct
8	Correct	104 ms	31356 KB	Output is correct

Subtask #4
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	9684 KB	Output is correct
2	Correct	5 ms	9688 KB	Output is correct
3	Correct	5 ms	9700 KB	Output is correct
4	Correct	5 ms	9684 KB	Output is correct
5	Correct	5 ms	9684 KB	Output is correct
6	Correct	5 ms	9684 KB	Output is correct
7	Correct	5 ms	9684 KB	Output is correct
8	Correct	5 ms	9684 KB	Output is correct
9	Correct	5 ms	9684 KB	Output is correct
10	Correct	6 ms	9940 KB	Output is correct
11	Correct	6 ms	9684 KB	Output is correct
12	Correct	7 ms	9808 KB	Output is correct
13	Correct	5 ms	9684 KB	Output is correct
14	Correct	6 ms	9812 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	9684 KB	Output is correct
2	Correct	5 ms	9688 KB	Output is correct
3	Correct	5 ms	9700 KB	Output is correct
4	Correct	5 ms	9684 KB	Output is correct
5	Correct	5 ms	9684 KB	Output is correct
6	Correct	5 ms	9684 KB	Output is correct
7	Correct	5 ms	9684 KB	Output is correct
8	Correct	5 ms	9684 KB	Output is correct
9	Correct	5 ms	9684 KB	Output is correct
10	Correct	6 ms	9940 KB	Output is correct
11	Correct	6 ms	9684 KB	Output is correct
12	Correct	7 ms	9808 KB	Output is correct
13	Correct	5 ms	9684 KB	Output is correct
14	Correct	6 ms	9812 KB	Output is correct
15	Correct	6 ms	9684 KB	Output is correct
16	Correct	8 ms	9952 KB	Output is correct
17	Correct	54 ms	14588 KB	Output is correct
18	Correct	44 ms	14804 KB	Output is correct
19	Correct	39 ms	14676 KB	Output is correct
20	Correct	38 ms	14388 KB	Output is correct
21	Correct	35 ms	14448 KB	Output is correct
22	Correct	73 ms	19116 KB	Output is correct
23	Correct	17 ms	10964 KB	Output is correct
24	Correct	49 ms	13496 KB	Output is correct
25	Correct	6 ms	9812 KB	Output is correct
26	Correct	16 ms	10964 KB	Output is correct

Subtask #6
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	9684 KB	Output is correct
2	Correct	5 ms	9688 KB	Output is correct
3	Correct	5 ms	9700 KB	Output is correct
4	Correct	5 ms	9684 KB	Output is correct
5	Correct	5 ms	9684 KB	Output is correct
6	Correct	5 ms	9684 KB	Output is correct
7	Correct	5 ms	9684 KB	Output is correct
8	Correct	5 ms	9684 KB	Output is correct
9	Correct	5 ms	9684 KB	Output is correct
10	Correct	6 ms	9940 KB	Output is correct
11	Correct	6 ms	9684 KB	Output is correct
12	Correct	7 ms	9808 KB	Output is correct
13	Correct	5 ms	9684 KB	Output is correct
14	Correct	6 ms	9812 KB	Output is correct
15	Correct	6 ms	9684 KB	Output is correct
16	Correct	8 ms	9952 KB	Output is correct
17	Correct	54 ms	14588 KB	Output is correct
18	Correct	44 ms	14804 KB	Output is correct
19	Correct	39 ms	14676 KB	Output is correct
20	Correct	38 ms	14388 KB	Output is correct
21	Correct	35 ms	14448 KB	Output is correct
22	Correct	73 ms	19116 KB	Output is correct
23	Correct	17 ms	10964 KB	Output is correct
24	Correct	49 ms	13496 KB	Output is correct
25	Correct	6 ms	9812 KB	Output is correct
26	Correct	16 ms	10964 KB	Output is correct
27	Correct	8 ms	10324 KB	Output is correct
28	Correct	219 ms	31880 KB	Output is correct
29	Correct	320 ms	40728 KB	Output is correct
30	Correct	445 ms	59468 KB	Output is correct
31	Correct	456 ms	59064 KB	Output is correct
32	Correct	240 ms	42316 KB	Output is correct
33	Correct	466 ms	59328 KB	Output is correct
34	Correct	451 ms	59284 KB	Output is correct
35	Correct	147 ms	25496 KB	Output is correct
36	Correct	433 ms	52900 KB	Output is correct

Subtask #7
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	41 ms	23764 KB	Output is correct
2	Correct	40 ms	23708 KB	Output is correct
3	Correct	71 ms	26308 KB	Output is correct
4	Correct	67 ms	26284 KB	Output is correct
5	Correct	101 ms	31352 KB	Output is correct
6	Correct	99 ms	31364 KB	Output is correct
7	Correct	107 ms	31416 KB	Output is correct
8	Correct	104 ms	31356 KB	Output is correct
9	Correct	124 ms	34928 KB	Output is correct
10	Correct	91 ms	27884 KB	Output is correct
11	Correct	168 ms	46128 KB	Output is correct
12	Correct	5 ms	9684 KB	Output is correct
13	Correct	7 ms	9684 KB	Output is correct
14	Correct	5 ms	9684 KB	Output is correct
15	Correct	5 ms	9684 KB	Output is correct
16	Correct	5 ms	9684 KB	Output is correct
17	Correct	5 ms	9684 KB	Output is correct
18	Correct	40 ms	23688 KB	Output is correct
19	Correct	39 ms	23736 KB	Output is correct
20	Correct	43 ms	23728 KB	Output is correct
21	Correct	40 ms	23784 KB	Output is correct
22	Correct	162 ms	36088 KB	Output is correct
23	Correct	217 ms	50252 KB	Output is correct
24	Correct	198 ms	50964 KB	Output is correct

Subtask #8
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	118 ms	31668 KB	Output is correct
2	Correct	134 ms	35028 KB	Output is correct
3	Correct	40 ms	23756 KB	Output is correct
4	Correct	41 ms	23712 KB	Output is correct
5	Correct	403 ms	59116 KB	Output is correct
6	Correct	412 ms	65572 KB	Output is correct
7	Correct	5 ms	9684 KB	Output is correct
8	Correct	222 ms	38364 KB	Output is correct
9	Correct	258 ms	42928 KB	Output is correct
10	Correct	111 ms	31548 KB	Output is correct
11	Correct	132 ms	34924 KB	Output is correct
12	Correct	5 ms	9684 KB	Output is correct
13	Correct	5 ms	9700 KB	Output is correct
14	Correct	5 ms	9684 KB	Output is correct
15	Correct	6 ms	9604 KB	Output is correct
16	Correct	39 ms	23720 KB	Output is correct
17	Correct	43 ms	23660 KB	Output is correct
18	Correct	120 ms	31664 KB	Output is correct
19	Correct	146 ms	35036 KB	Output is correct
20	Correct	125 ms	32480 KB	Output is correct
21	Correct	131 ms	32772 KB	Output is correct
22	Correct	123 ms	32480 KB	Output is correct
23	Correct	134 ms	34696 KB	Output is correct
24	Correct	41 ms	23764 KB	Output is correct
25	Correct	40 ms	23708 KB	Output is correct
26	Correct	71 ms	26308 KB	Output is correct
27	Correct	67 ms	26284 KB	Output is correct
28	Correct	101 ms	31352 KB	Output is correct
29	Correct	99 ms	31364 KB	Output is correct
30	Correct	107 ms	31416 KB	Output is correct
31	Correct	104 ms	31356 KB	Output is correct
32	Correct	5 ms	9684 KB	Output is correct
33	Correct	5 ms	9688 KB	Output is correct
34	Correct	5 ms	9700 KB	Output is correct
35	Correct	5 ms	9684 KB	Output is correct
36	Correct	5 ms	9684 KB	Output is correct
37	Correct	5 ms	9684 KB	Output is correct
38	Correct	5 ms	9684 KB	Output is correct
39	Correct	5 ms	9684 KB	Output is correct
40	Correct	5 ms	9684 KB	Output is correct
41	Correct	6 ms	9940 KB	Output is correct
42	Correct	6 ms	9684 KB	Output is correct
43	Correct	7 ms	9808 KB	Output is correct
44	Correct	5 ms	9684 KB	Output is correct
45	Correct	6 ms	9812 KB	Output is correct
46	Correct	6 ms	9684 KB	Output is correct
47	Correct	8 ms	9952 KB	Output is correct
48	Correct	54 ms	14588 KB	Output is correct
49	Correct	44 ms	14804 KB	Output is correct
50	Correct	39 ms	14676 KB	Output is correct
51	Correct	38 ms	14388 KB	Output is correct
52	Correct	35 ms	14448 KB	Output is correct
53	Correct	73 ms	19116 KB	Output is correct
54	Correct	17 ms	10964 KB	Output is correct
55	Correct	49 ms	13496 KB	Output is correct
56	Correct	6 ms	9812 KB	Output is correct
57	Correct	16 ms	10964 KB	Output is correct
58	Correct	8 ms	10324 KB	Output is correct
59	Correct	219 ms	31880 KB	Output is correct
60	Correct	320 ms	40728 KB	Output is correct
61	Correct	445 ms	59468 KB	Output is correct
62	Correct	456 ms	59064 KB	Output is correct
63	Correct	240 ms	42316 KB	Output is correct
64	Correct	466 ms	59328 KB	Output is correct
65	Correct	451 ms	59284 KB	Output is correct
66	Correct	147 ms	25496 KB	Output is correct
67	Correct	433 ms	52900 KB	Output is correct
68	Correct	124 ms	34928 KB	Output is correct
69	Correct	91 ms	27884 KB	Output is correct
70	Correct	168 ms	46128 KB	Output is correct
71	Correct	5 ms	9684 KB	Output is correct
72	Correct	7 ms	9684 KB	Output is correct
73	Correct	5 ms	9684 KB	Output is correct
74	Correct	5 ms	9684 KB	Output is correct
75	Correct	5 ms	9684 KB	Output is correct
76	Correct	5 ms	9684 KB	Output is correct
77	Correct	40 ms	23688 KB	Output is correct
78	Correct	39 ms	23736 KB	Output is correct
79	Correct	43 ms	23728 KB	Output is correct
80	Correct	40 ms	23784 KB	Output is correct
81	Correct	162 ms	36088 KB	Output is correct
82	Correct	217 ms	50252 KB	Output is correct
83	Correct	198 ms	50964 KB	Output is correct
84	Correct	505 ms	54588 KB	Output is correct
85	Correct	492 ms	55488 KB	Output is correct
86	Correct	459 ms	63456 KB	Output is correct
87	Correct	444 ms	65556 KB	Output is correct
88	Correct	5 ms	9684 KB	Output is correct
89	Correct	446 ms	65316 KB	Output is correct
90	Correct	378 ms	61408 KB	Output is correct
91	Correct	294 ms	56208 KB	Output is correct

Submission #629449

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