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답안 #1055751

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1055751 2024-08-13T04:57:36 Z vjudge1 메기 농장 (IOI22_fish) C++17
84 / 100
 1000 ms 144932 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<int>fishies[100010];
map<int,ll>fishiess[100010];
unordered_map<int,ll>dp[100010][2];
int N;
inline ll ones(int col,int len){
    return (--fishiess[col].upper_bound(len))->second;
}
struct segtree{
    ll mp[100100];
    vector<int>v;
    void reset(){
        for(auto i:v)
            mp[i]=0;
        v.clear();
    }
    ll query(int pos){
        ll ans=0;
        pos++;
        while(pos)
            ans=max(ans,mp[pos]),
            pos-=pos&-pos;
        return ans-(1ll<<50);
    }
    void upd(int p,ll x){
        p++;
        assert(p);
        x+=1ll<<50;
        while(p<100100)
            v.push_back(p),
            mp[p]=max(mp[p],x),
            p+=p&-p;
    }
};
struct a_data_type{
    segtree Sec,First,Overal,Third;
    inline ll sec(int pos){
        return Sec.query(N-pos);
    }
    inline ll first(int pos){
        return First.query(pos);
    }
    inline ll overal(int pos){
        return Overal.query(N-pos);
    }
    inline ll third(int pos){
        return Third.query(pos);
    }
    void init(int i) {
        Overal.reset(),
        First.reset(),
        Sec.reset(),
        Third.reset();
        for(auto j:fishies[i]){
            j--;
            ll A=dp[i][0][j];
            ll B=dp[i][1][j];
            Overal.upd(N-j,max(A,B));
            First.upd(j,max(A,B)-ones(i+1,j));
            Sec.upd(N-j,A);
            Third.upd(j,B-ones(i,j)-ones(i+1,j));
        }
    }
} likehell[2];
ll max_weights(int N_,int M,vector<int> X,vector<int> Y,vector<int> W) {
    N=N_;
    for(int i=0;i<M;i++)
        fishies[X[i]+1].push_back(Y[i]+1),
        fishiess[X[i]+1][Y[i]+1]=W[i];
    for(int i=1;i<=N;i++){
        fishiess[i][N+1];
        fishiess[i][0];
        auto it=++fishiess[i].begin();
        while(it!=fishiess[i].end())
            it->second+=prev(it)->second,it++;
    }
    for(int i=1;i<=N;i++)
        fishies[i].push_back(1),
        fishies[i].push_back(N+1);
    fishiess[N+1][0];
    for(auto i:fishies[1])
        dp[1][1][i-1]=ones(2,i-1);
    int b=0;
    likehell[b].init(1);
    for(int i=2;i<=N;i++){
        for(auto rw:fishies[i]) {
            ll cons=ones(i+1,rw-1)+ones(i-1,rw-1);
            ll F=likehell[!b].first(rw-1);
            ll S=likehell[!b].overal(rw)-ones(i-1,rw-1);
            dp[i][1][rw-1]=cons+max(F,S);
        }
        for(auto rw2:fishies[i]){
            ll cons=ones(i+1,rw2-1)+ones(i-1,rw2-1);
            ll F=likehell[b].third(rw2-1);
            ll S=likehell[b].overal(rw2);
            dp[i][1][rw2-1]=max(dp[i][1][rw2-1],F+cons);
            dp[i][0][rw2-1]=S-ones(i,rw2-1)-ones(i-1,rw2-1)+cons;
        }
        for(auto rw2:fishies[i]) {
            ll K=likehell[b].sec(rw2-1)-ones(i,rw2-1);
            dp[i][0][rw2-1]=max(dp[i][0][rw2-1],ones(i+1,rw2-1)+K);
        }
        b=!b;
        likehell[b].init(i);
    }
    return likehell[b].overal(0);
}

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 231 ms 92748 KB Output is correct
2 Correct 246 ms 105228 KB Output is correct
3 Correct 132 ms 68688 KB Output is correct
4 Correct 98 ms 68724 KB Output is correct
5 Correct 718 ms 144932 KB Output is correct
6 Correct 457 ms 124500 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 18524 KB Output is correct
2 Correct 456 ms 122132 KB Output is correct
3 Correct 594 ms 142376 KB Output is correct
4 Correct 190 ms 92748 KB Output is correct
5 Correct 252 ms 105160 KB Output is correct
6 Correct 7 ms 18576 KB Output is correct
7 Correct 7 ms 18536 KB Output is correct
8 Correct 7 ms 18752 KB Output is correct
9 Correct 7 ms 18520 KB Output is correct
10 Correct 97 ms 68812 KB Output is correct
11 Correct 120 ms 68708 KB Output is correct
12 Correct 230 ms 92880 KB Output is correct
13 Correct 275 ms 105076 KB Output is correct
14 Correct 209 ms 93608 KB Output is correct
15 Correct 289 ms 102748 KB Output is correct
16 Correct 210 ms 93584 KB Output is correct
17 Correct 267 ms 102720 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 68776 KB Output is correct
2 Correct 109 ms 68744 KB Output is correct
3 Correct 146 ms 69204 KB Output is correct
4 Correct 158 ms 72524 KB Output is correct
5 Correct 216 ms 78960 KB Output is correct
6 Correct 171 ms 78416 KB Output is correct
7 Correct 190 ms 78992 KB Output is correct
8 Correct 178 ms 78936 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 18684 KB Output is correct
2 Correct 6 ms 18524 KB Output is correct
3 Correct 7 ms 18744 KB Output is correct
4 Correct 6 ms 18524 KB Output is correct
5 Correct 7 ms 18524 KB Output is correct
6 Correct 6 ms 18656 KB Output is correct
7 Correct 6 ms 18588 KB Output is correct
8 Correct 7 ms 18524 KB Output is correct
9 Correct 7 ms 18884 KB Output is correct
10 Correct 10 ms 19292 KB Output is correct
11 Correct 8 ms 18780 KB Output is correct
12 Correct 8 ms 19036 KB Output is correct
13 Correct 7 ms 18740 KB Output is correct
14 Correct 9 ms 19032 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 18684 KB Output is correct
2 Correct 6 ms 18524 KB Output is correct
3 Correct 7 ms 18744 KB Output is correct
4 Correct 6 ms 18524 KB Output is correct
5 Correct 7 ms 18524 KB Output is correct
6 Correct 6 ms 18656 KB Output is correct
7 Correct 6 ms 18588 KB Output is correct
8 Correct 7 ms 18524 KB Output is correct
9 Correct 7 ms 18884 KB Output is correct
10 Correct 10 ms 19292 KB Output is correct
11 Correct 8 ms 18780 KB Output is correct
12 Correct 8 ms 19036 KB Output is correct
13 Correct 7 ms 18740 KB Output is correct
14 Correct 9 ms 19032 KB Output is correct
15 Correct 7 ms 18804 KB Output is correct
16 Correct 9 ms 19036 KB Output is correct
17 Correct 67 ms 27476 KB Output is correct
18 Correct 73 ms 28184 KB Output is correct
19 Correct 77 ms 27728 KB Output is correct
20 Correct 78 ms 27732 KB Output is correct
21 Correct 66 ms 27712 KB Output is correct
22 Correct 149 ms 36996 KB Output is correct
23 Correct 16 ms 20572 KB Output is correct
24 Correct 44 ms 24392 KB Output is correct
25 Correct 8 ms 19032 KB Output is correct
26 Correct 16 ms 20316 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 18684 KB Output is correct
2 Correct 6 ms 18524 KB Output is correct
3 Correct 7 ms 18744 KB Output is correct
4 Correct 6 ms 18524 KB Output is correct
5 Correct 7 ms 18524 KB Output is correct
6 Correct 6 ms 18656 KB Output is correct
7 Correct 6 ms 18588 KB Output is correct
8 Correct 7 ms 18524 KB Output is correct
9 Correct 7 ms 18884 KB Output is correct
10 Correct 10 ms 19292 KB Output is correct
11 Correct 8 ms 18780 KB Output is correct
12 Correct 8 ms 19036 KB Output is correct
13 Correct 7 ms 18740 KB Output is correct
14 Correct 9 ms 19032 KB Output is correct
15 Correct 7 ms 18804 KB Output is correct
16 Correct 9 ms 19036 KB Output is correct
17 Correct 67 ms 27476 KB Output is correct
18 Correct 73 ms 28184 KB Output is correct
19 Correct 77 ms 27728 KB Output is correct
20 Correct 78 ms 27732 KB Output is correct
21 Correct 66 ms 27712 KB Output is correct
22 Correct 149 ms 36996 KB Output is correct
23 Correct 16 ms 20572 KB Output is correct
24 Correct 44 ms 24392 KB Output is correct
25 Correct 8 ms 19032 KB Output is correct
26 Correct 16 ms 20316 KB Output is correct
27 Correct 11 ms 20604 KB Output is correct
28 Correct 372 ms 62788 KB Output is correct
29 Correct 684 ms 82800 KB Output is correct
30 Correct 417 ms 77404 KB Output is correct
31 Correct 444 ms 77392 KB Output is correct
32 Correct 535 ms 80464 KB Output is correct
33 Correct 437 ms 77392 KB Output is correct
34 Correct 442 ms 77444 KB Output is correct
35 Correct 148 ms 42320 KB Output is correct
36 Correct 509 ms 80080 KB Output is correct

Subtask #7
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 68776 KB Output is correct
2 Correct 109 ms 68744 KB Output is correct
3 Correct 146 ms 69204 KB Output is correct
4 Correct 158 ms 72524 KB Output is correct
5 Correct 216 ms 78960 KB Output is correct
6 Correct 171 ms 78416 KB Output is correct
7 Correct 190 ms 78992 KB Output is correct
8 Correct 178 ms 78936 KB Output is correct
9 Correct 180 ms 90960 KB Output is correct
10 Correct 125 ms 57228 KB Output is correct
11 Correct 252 ms 95572 KB Output is correct
12 Correct 7 ms 18520 KB Output is correct
13 Correct 7 ms 18608 KB Output is correct
14 Correct 7 ms 18752 KB Output is correct
15 Correct 6 ms 18524 KB Output is correct
16 Correct 8 ms 18748 KB Output is correct
17 Correct 7 ms 18524 KB Output is correct
18 Correct 95 ms 68692 KB Output is correct
19 Correct 101 ms 68932 KB Output is correct
20 Correct 96 ms 68692 KB Output is correct
21 Correct 105 ms 68692 KB Output is correct
22 Correct 235 ms 91728 KB Output is correct
23 Correct 289 ms 101456 KB Output is correct
24 Correct 267 ms 102740 KB Output is correct

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 231 ms 92748 KB Output is correct
2 Correct 246 ms 105228 KB Output is correct
3 Correct 132 ms 68688 KB Output is correct
4 Correct 98 ms 68724 KB Output is correct
5 Correct 718 ms 144932 KB Output is correct
6 Correct 457 ms 124500 KB Output is correct
7 Correct 6 ms 18524 KB Output is correct
8 Correct 456 ms 122132 KB Output is correct
9 Correct 594 ms 142376 KB Output is correct
10 Correct 190 ms 92748 KB Output is correct
11 Correct 252 ms 105160 KB Output is correct
12 Correct 7 ms 18576 KB Output is correct
13 Correct 7 ms 18536 KB Output is correct
14 Correct 7 ms 18752 KB Output is correct
15 Correct 7 ms 18520 KB Output is correct
16 Correct 97 ms 68812 KB Output is correct
17 Correct 120 ms 68708 KB Output is correct
18 Correct 230 ms 92880 KB Output is correct
19 Correct 275 ms 105076 KB Output is correct
20 Correct 209 ms 93608 KB Output is correct
21 Correct 289 ms 102748 KB Output is correct
22 Correct 210 ms 93584 KB Output is correct
23 Correct 267 ms 102720 KB Output is correct
24 Correct 120 ms 68776 KB Output is correct
25 Correct 109 ms 68744 KB Output is correct
26 Correct 146 ms 69204 KB Output is correct
27 Correct 158 ms 72524 KB Output is correct
28 Correct 216 ms 78960 KB Output is correct
29 Correct 171 ms 78416 KB Output is correct
30 Correct 190 ms 78992 KB Output is correct
31 Correct 178 ms 78936 KB Output is correct
32 Correct 7 ms 18684 KB Output is correct
33 Correct 6 ms 18524 KB Output is correct
34 Correct 7 ms 18744 KB Output is correct
35 Correct 6 ms 18524 KB Output is correct
36 Correct 7 ms 18524 KB Output is correct
37 Correct 6 ms 18656 KB Output is correct
38 Correct 6 ms 18588 KB Output is correct
39 Correct 7 ms 18524 KB Output is correct
40 Correct 7 ms 18884 KB Output is correct
41 Correct 10 ms 19292 KB Output is correct
42 Correct 8 ms 18780 KB Output is correct
43 Correct 8 ms 19036 KB Output is correct
44 Correct 7 ms 18740 KB Output is correct
45 Correct 9 ms 19032 KB Output is correct
46 Correct 7 ms 18804 KB Output is correct
47 Correct 9 ms 19036 KB Output is correct
48 Correct 67 ms 27476 KB Output is correct
49 Correct 73 ms 28184 KB Output is correct
50 Correct 77 ms 27728 KB Output is correct
51 Correct 78 ms 27732 KB Output is correct
52 Correct 66 ms 27712 KB Output is correct
53 Correct 149 ms 36996 KB Output is correct
54 Correct 16 ms 20572 KB Output is correct
55 Correct 44 ms 24392 KB Output is correct
56 Correct 8 ms 19032 KB Output is correct
57 Correct 16 ms 20316 KB Output is correct
58 Correct 11 ms 20604 KB Output is correct
59 Correct 372 ms 62788 KB Output is correct
60 Correct 684 ms 82800 KB Output is correct
61 Correct 417 ms 77404 KB Output is correct
62 Correct 444 ms 77392 KB Output is correct
63 Correct 535 ms 80464 KB Output is correct
64 Correct 437 ms 77392 KB Output is correct
65 Correct 442 ms 77444 KB Output is correct
66 Correct 148 ms 42320 KB Output is correct
67 Correct 509 ms 80080 KB Output is correct
68 Correct 180 ms 90960 KB Output is correct
69 Correct 125 ms 57228 KB Output is correct
70 Correct 252 ms 95572 KB Output is correct
71 Correct 7 ms 18520 KB Output is correct
72 Correct 7 ms 18608 KB Output is correct
73 Correct 7 ms 18752 KB Output is correct
74 Correct 6 ms 18524 KB Output is correct
75 Correct 8 ms 18748 KB Output is correct
76 Correct 7 ms 18524 KB Output is correct
77 Correct 95 ms 68692 KB Output is correct
78 Correct 101 ms 68932 KB Output is correct
79 Correct 96 ms 68692 KB Output is correct
80 Correct 105 ms 68692 KB Output is correct
81 Correct 235 ms 91728 KB Output is correct
82 Correct 289 ms 101456 KB Output is correct
83 Correct 267 ms 102740 KB Output is correct
84 Execution timed out 1048 ms 131616 KB Time limit exceeded
85 Halted 0 ms 0 KB -