답안 #625842

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
625842	2022-08-10T21:44:49 Z	ETK	메기 농장 (IOI22_fish)	C++17	100 / 100	130 ms	15392 KB

fish

#include <bits/stdc++.h>
#include "fish.h"
#define rep(i,a,b) for(int i=(a);i<(b);++i)
#define per(i,a,b) for(int i=(a);i>=(b);--i)
#define pii pair<int,int>
#define vi vector<int>
#define fi first
#define se second
#define pb push_back
#define ALL(x) x.begin(),x.end()
#define sz(x) int(x.size())
#define ll long long
using namespace std;
const int N = 2e5 + 5;
#define inf 2e18
ll max_weights(int n,int m,vi X,vi Y,vi W){
    vector <vector<pii>> vec(n);
    rep(i,0,m)vec[X[i]].pb({Y[i],W[i]});
    vector <ll> f,g,lstf,lstg,Mx(n,-inf);
    rep(x,0,n){
        sort(ALL(vec[x]));
        int m = sz(vec[x]);
        swap(f,lstf),swap(g,lstg);
        f = g = vector <ll> (m,-inf);
        int j = sz(lstf) - 1;
        ll mxlst = -inf,mxcur = -inf;
        if(x){
            per(i,m - 1,0){
                int y = vec[x][i].fi,w = vec[x][i].se;
                f[i] = max(mxcur,0ll) + w;
                if(x > 1)f[i] = max(f[i],Mx[x - 2] + w);
                while(j >= 0 && vec[x - 1][j].fi > y){
                    mxlst = max(mxlst,lstf[j]);
                    j--; 
                }
                f[i] = max(f[i],mxlst + w);
                mxcur = max(mxcur,f[i]);
            }
        }
        if(sz(lstf))mxlst = *max_element(ALL(lstf));
        ll mxlstg = -inf,mxcurg = -inf;
        if(x < n - 1){
            j = 0;
            rep(i,0,m){
                int y = vec[x][i].fi,w = vec[x][i].se;
                g[i] = max(mxcurg,0ll) + w;
                if(x >= 2)g[i] = max(g[i],Mx[x - 2] + w);
                //no pier is on x when considering mxlstf
                g[i] = max(g[i],mxlst + w);
                while(j < sz(lstg) && vec[x - 1][j].fi < y){
                    mxlstg = max(mxlstg,lstg[j]);
                    j++;
                }
                g[i] = max(g[i],mxlstg + w);
                mxcurg = max(mxcurg,g[i]);
            }
        }
        if(x)Mx[x] = Mx[x - 1];
        //the maximum answer we can get in the first x columns
        Mx[x] = max(Mx[x],max(mxcur,mxcurg));
    }
    return Mx[n - 1];
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	38 ms	6996 KB	Output is correct
2	Correct	39 ms	8252 KB	Output is correct
3	Correct	4 ms	3412 KB	Output is correct
4	Correct	3 ms	3412 KB	Output is correct
5	Correct	113 ms	14428 KB	Output is correct
6	Correct	119 ms	14820 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	63 ms	10808 KB	Output is correct
3	Correct	83 ms	13004 KB	Output is correct
4	Correct	33 ms	7004 KB	Output is correct
5	Correct	39 ms	8244 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	3 ms	3412 KB	Output is correct
11	Correct	3 ms	3412 KB	Output is correct
12	Correct	31 ms	7008 KB	Output is correct
13	Correct	38 ms	8256 KB	Output is correct
14	Correct	34 ms	7172 KB	Output is correct
15	Correct	43 ms	7912 KB	Output is correct
16	Correct	32 ms	7132 KB	Output is correct
17	Correct	35 ms	7744 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	3412 KB	Output is correct
2	Correct	3 ms	3412 KB	Output is correct
3	Correct	23 ms	5972 KB	Output is correct
4	Correct	17 ms	5408 KB	Output is correct
5	Correct	40 ms	8780 KB	Output is correct
6	Correct	37 ms	8852 KB	Output is correct
7	Correct	39 ms	8908 KB	Output is correct
8	Correct	48 ms	8900 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	216 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	216 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	216 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	216 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	16 ms	1876 KB	Output is correct
18	Correct	16 ms	2124 KB	Output is correct
19	Correct	14 ms	2004 KB	Output is correct
20	Correct	14 ms	2004 KB	Output is correct
21	Correct	18 ms	1988 KB	Output is correct
22	Correct	32 ms	3784 KB	Output is correct
23	Correct	3 ms	596 KB	Output is correct
24	Correct	10 ms	1396 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	3 ms	596 KB	Output is correct

Subtask #6
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	216 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	216 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	2 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	16 ms	1876 KB	Output is correct
18	Correct	16 ms	2124 KB	Output is correct
19	Correct	14 ms	2004 KB	Output is correct
20	Correct	14 ms	2004 KB	Output is correct
21	Correct	18 ms	1988 KB	Output is correct
22	Correct	32 ms	3784 KB	Output is correct
23	Correct	3 ms	596 KB	Output is correct
24	Correct	10 ms	1396 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	3 ms	596 KB	Output is correct
27	Correct	1 ms	468 KB	Output is correct
28	Correct	69 ms	8652 KB	Output is correct
29	Correct	101 ms	11340 KB	Output is correct
30	Correct	100 ms	10700 KB	Output is correct
31	Correct	104 ms	10728 KB	Output is correct
32	Correct	93 ms	12256 KB	Output is correct
33	Correct	114 ms	10732 KB	Output is correct
34	Correct	127 ms	10820 KB	Output is correct
35	Correct	38 ms	4692 KB	Output is correct
36	Correct	101 ms	11748 KB	Output is correct

Subtask #7
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	3412 KB	Output is correct
2	Correct	3 ms	3412 KB	Output is correct
3	Correct	23 ms	5972 KB	Output is correct
4	Correct	17 ms	5408 KB	Output is correct
5	Correct	40 ms	8780 KB	Output is correct
6	Correct	37 ms	8852 KB	Output is correct
7	Correct	39 ms	8908 KB	Output is correct
8	Correct	48 ms	8900 KB	Output is correct
9	Correct	40 ms	8916 KB	Output is correct
10	Correct	37 ms	5768 KB	Output is correct
11	Correct	87 ms	11264 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	3 ms	3412 KB	Output is correct
19	Correct	3 ms	3412 KB	Output is correct
20	Correct	3 ms	3412 KB	Output is correct
21	Correct	3 ms	3412 KB	Output is correct
22	Correct	45 ms	7752 KB	Output is correct
23	Correct	81 ms	11232 KB	Output is correct
24	Correct	77 ms	11216 KB	Output is correct

Subtask #8
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	38 ms	6996 KB	Output is correct
2	Correct	39 ms	8252 KB	Output is correct
3	Correct	4 ms	3412 KB	Output is correct
4	Correct	3 ms	3412 KB	Output is correct
5	Correct	113 ms	14428 KB	Output is correct
6	Correct	119 ms	14820 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	63 ms	10808 KB	Output is correct
9	Correct	83 ms	13004 KB	Output is correct
10	Correct	33 ms	7004 KB	Output is correct
11	Correct	39 ms	8244 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	3 ms	3412 KB	Output is correct
17	Correct	3 ms	3412 KB	Output is correct
18	Correct	31 ms	7008 KB	Output is correct
19	Correct	38 ms	8256 KB	Output is correct
20	Correct	34 ms	7172 KB	Output is correct
21	Correct	43 ms	7912 KB	Output is correct
22	Correct	32 ms	7132 KB	Output is correct
23	Correct	35 ms	7744 KB	Output is correct
24	Correct	3 ms	3412 KB	Output is correct
25	Correct	3 ms	3412 KB	Output is correct
26	Correct	23 ms	5972 KB	Output is correct
27	Correct	17 ms	5408 KB	Output is correct
28	Correct	40 ms	8780 KB	Output is correct
29	Correct	37 ms	8852 KB	Output is correct
30	Correct	39 ms	8908 KB	Output is correct
31	Correct	48 ms	8900 KB	Output is correct
32	Correct	0 ms	212 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	216 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	0 ms	216 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	1 ms	212 KB	Output is correct
41	Correct	2 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	1 ms	340 KB	Output is correct
48	Correct	16 ms	1876 KB	Output is correct
49	Correct	16 ms	2124 KB	Output is correct
50	Correct	14 ms	2004 KB	Output is correct
51	Correct	14 ms	2004 KB	Output is correct
52	Correct	18 ms	1988 KB	Output is correct
53	Correct	32 ms	3784 KB	Output is correct
54	Correct	3 ms	596 KB	Output is correct
55	Correct	10 ms	1396 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	3 ms	596 KB	Output is correct
58	Correct	1 ms	468 KB	Output is correct
59	Correct	69 ms	8652 KB	Output is correct
60	Correct	101 ms	11340 KB	Output is correct
61	Correct	100 ms	10700 KB	Output is correct
62	Correct	104 ms	10728 KB	Output is correct
63	Correct	93 ms	12256 KB	Output is correct
64	Correct	114 ms	10732 KB	Output is correct
65	Correct	127 ms	10820 KB	Output is correct
66	Correct	38 ms	4692 KB	Output is correct
67	Correct	101 ms	11748 KB	Output is correct
68	Correct	40 ms	8916 KB	Output is correct
69	Correct	37 ms	5768 KB	Output is correct
70	Correct	87 ms	11264 KB	Output is correct
71	Correct	0 ms	212 KB	Output is correct
72	Correct	1 ms	212 KB	Output is correct
73	Correct	1 ms	212 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	0 ms	212 KB	Output is correct
77	Correct	3 ms	3412 KB	Output is correct
78	Correct	3 ms	3412 KB	Output is correct
79	Correct	3 ms	3412 KB	Output is correct
80	Correct	3 ms	3412 KB	Output is correct
81	Correct	45 ms	7752 KB	Output is correct
82	Correct	81 ms	11232 KB	Output is correct
83	Correct	77 ms	11216 KB	Output is correct
84	Correct	114 ms	14136 KB	Output is correct
85	Correct	109 ms	14220 KB	Output is correct
86	Correct	121 ms	14928 KB	Output is correct
87	Correct	123 ms	15392 KB	Output is correct
88	Correct	0 ms	212 KB	Output is correct
89	Correct	130 ms	15392 KB	Output is correct
90	Correct	112 ms	14908 KB	Output is correct
91	Correct	108 ms	14540 KB	Output is correct

답안 #625842

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