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답안 #1055756

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1055756 2024-08-13T05:02:29 Z vjudge1 메기 농장 (IOI22_fish) C++17
84 / 100
 1000 ms 141588 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;
    segtree(){
        memset(mp,-9,sizeof mp);
    }
    void reset(){
        for(auto i:v)
            mp[i]=-1e18;
        v.clear();
    }
    ll query(int pos){
        ll ans=0;
        pos++;
        while(pos)
            ans=max(ans,mp[pos]),
            pos-=pos&-pos;
        return ans;
    }
    void upd(int p,ll x){
        p++;
        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 217 ms 94644 KB Output is correct
2 Correct 234 ms 106360 KB Output is correct
3 Correct 123 ms 74576 KB Output is correct
4 Correct 104 ms 74756 KB Output is correct
5 Correct 713 ms 141588 KB Output is correct
6 Correct 445 ms 120916 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 24664 KB Output is correct
2 Correct 460 ms 120048 KB Output is correct
3 Correct 551 ms 138876 KB Output is correct
4 Correct 219 ms 94792 KB Output is correct
5 Correct 238 ms 106420 KB Output is correct
6 Correct 9 ms 24668 KB Output is correct
7 Correct 8 ms 24668 KB Output is correct
8 Correct 9 ms 24664 KB Output is correct
9 Correct 8 ms 24708 KB Output is correct
10 Correct 126 ms 74576 KB Output is correct
11 Correct 101 ms 74580 KB Output is correct
12 Correct 228 ms 94680 KB Output is correct
13 Correct 266 ms 106360 KB Output is correct
14 Correct 212 ms 95384 KB Output is correct
15 Correct 279 ms 104100 KB Output is correct
16 Correct 213 ms 95380 KB Output is correct
17 Correct 222 ms 104024 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 106 ms 74576 KB Output is correct
2 Correct 113 ms 74796 KB Output is correct
3 Correct 135 ms 74324 KB Output is correct
4 Correct 128 ms 77656 KB Output is correct
5 Correct 216 ms 83396 KB Output is correct
6 Correct 206 ms 83320 KB Output is correct
7 Correct 179 ms 83276 KB Output is correct
8 Correct 193 ms 83280 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 24668 KB Output is correct
2 Correct 9 ms 24576 KB Output is correct
3 Correct 9 ms 24664 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 8 ms 24668 KB Output is correct
6 Correct 9 ms 24668 KB Output is correct
7 Correct 8 ms 24668 KB Output is correct
8 Correct 8 ms 24468 KB Output is correct
9 Correct 9 ms 24692 KB Output is correct
10 Correct 11 ms 25180 KB Output is correct
11 Correct 9 ms 24780 KB Output is correct
12 Correct 10 ms 24924 KB Output is correct
13 Correct 9 ms 24668 KB Output is correct
14 Correct 9 ms 24924 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 24668 KB Output is correct
2 Correct 9 ms 24576 KB Output is correct
3 Correct 9 ms 24664 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 8 ms 24668 KB Output is correct
6 Correct 9 ms 24668 KB Output is correct
7 Correct 8 ms 24668 KB Output is correct
8 Correct 8 ms 24468 KB Output is correct
9 Correct 9 ms 24692 KB Output is correct
10 Correct 11 ms 25180 KB Output is correct
11 Correct 9 ms 24780 KB Output is correct
12 Correct 10 ms 24924 KB Output is correct
13 Correct 9 ms 24668 KB Output is correct
14 Correct 9 ms 24924 KB Output is correct
15 Correct 10 ms 24668 KB Output is correct
16 Correct 10 ms 25056 KB Output is correct
17 Correct 72 ms 32664 KB Output is correct
18 Correct 77 ms 33364 KB Output is correct
19 Correct 69 ms 33104 KB Output is correct
20 Correct 68 ms 33100 KB Output is correct
21 Correct 67 ms 33040 KB Output is correct
22 Correct 142 ms 41296 KB Output is correct
23 Correct 19 ms 26456 KB Output is correct
24 Correct 44 ms 30036 KB Output is correct
25 Correct 10 ms 24924 KB Output is correct
26 Correct 17 ms 26316 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 24668 KB Output is correct
2 Correct 9 ms 24576 KB Output is correct
3 Correct 9 ms 24664 KB Output is correct
4 Correct 8 ms 24668 KB Output is correct
5 Correct 8 ms 24668 KB Output is correct
6 Correct 9 ms 24668 KB Output is correct
7 Correct 8 ms 24668 KB Output is correct
8 Correct 8 ms 24468 KB Output is correct
9 Correct 9 ms 24692 KB Output is correct
10 Correct 11 ms 25180 KB Output is correct
11 Correct 9 ms 24780 KB Output is correct
12 Correct 10 ms 24924 KB Output is correct
13 Correct 9 ms 24668 KB Output is correct
14 Correct 9 ms 24924 KB Output is correct
15 Correct 10 ms 24668 KB Output is correct
16 Correct 10 ms 25056 KB Output is correct
17 Correct 72 ms 32664 KB Output is correct
18 Correct 77 ms 33364 KB Output is correct
19 Correct 69 ms 33104 KB Output is correct
20 Correct 68 ms 33100 KB Output is correct
21 Correct 67 ms 33040 KB Output is correct
22 Correct 142 ms 41296 KB Output is correct
23 Correct 19 ms 26456 KB Output is correct
24 Correct 44 ms 30036 KB Output is correct
25 Correct 10 ms 24924 KB Output is correct
26 Correct 17 ms 26316 KB Output is correct
27 Correct 14 ms 26512 KB Output is correct
28 Correct 390 ms 64904 KB Output is correct
29 Correct 667 ms 83204 KB Output is correct
30 Correct 433 ms 77648 KB Output is correct
31 Correct 442 ms 77652 KB Output is correct
32 Correct 543 ms 81236 KB Output is correct
33 Correct 439 ms 77652 KB Output is correct
34 Correct 438 ms 77652 KB Output is correct
35 Correct 148 ms 46232 KB Output is correct
36 Correct 511 ms 80460 KB Output is correct

Subtask #7
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 106 ms 74576 KB Output is correct
2 Correct 113 ms 74796 KB Output is correct
3 Correct 135 ms 74324 KB Output is correct
4 Correct 128 ms 77656 KB Output is correct
5 Correct 216 ms 83396 KB Output is correct
6 Correct 206 ms 83320 KB Output is correct
7 Correct 179 ms 83276 KB Output is correct
8 Correct 193 ms 83280 KB Output is correct
9 Correct 204 ms 89556 KB Output is correct
10 Correct 150 ms 61268 KB Output is correct
11 Correct 237 ms 98128 KB Output is correct
12 Correct 9 ms 24664 KB Output is correct
13 Correct 8 ms 24668 KB Output is correct
14 Correct 9 ms 24668 KB Output is correct
15 Correct 9 ms 24664 KB Output is correct
16 Correct 8 ms 24668 KB Output is correct
17 Correct 8 ms 24668 KB Output is correct
18 Correct 97 ms 74748 KB Output is correct
19 Correct 99 ms 74576 KB Output is correct
20 Correct 99 ms 74580 KB Output is correct
21 Correct 100 ms 74668 KB Output is correct
22 Correct 217 ms 89428 KB Output is correct
23 Correct 252 ms 104136 KB Output is correct
24 Correct 271 ms 104500 KB Output is correct

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 217 ms 94644 KB Output is correct
2 Correct 234 ms 106360 KB Output is correct
3 Correct 123 ms 74576 KB Output is correct
4 Correct 104 ms 74756 KB Output is correct
5 Correct 713 ms 141588 KB Output is correct
6 Correct 445 ms 120916 KB Output is correct
7 Correct 9 ms 24664 KB Output is correct
8 Correct 460 ms 120048 KB Output is correct
9 Correct 551 ms 138876 KB Output is correct
10 Correct 219 ms 94792 KB Output is correct
11 Correct 238 ms 106420 KB Output is correct
12 Correct 9 ms 24668 KB Output is correct
13 Correct 8 ms 24668 KB Output is correct
14 Correct 9 ms 24664 KB Output is correct
15 Correct 8 ms 24708 KB Output is correct
16 Correct 126 ms 74576 KB Output is correct
17 Correct 101 ms 74580 KB Output is correct
18 Correct 228 ms 94680 KB Output is correct
19 Correct 266 ms 106360 KB Output is correct
20 Correct 212 ms 95384 KB Output is correct
21 Correct 279 ms 104100 KB Output is correct
22 Correct 213 ms 95380 KB Output is correct
23 Correct 222 ms 104024 KB Output is correct
24 Correct 106 ms 74576 KB Output is correct
25 Correct 113 ms 74796 KB Output is correct
26 Correct 135 ms 74324 KB Output is correct
27 Correct 128 ms 77656 KB Output is correct
28 Correct 216 ms 83396 KB Output is correct
29 Correct 206 ms 83320 KB Output is correct
30 Correct 179 ms 83276 KB Output is correct
31 Correct 193 ms 83280 KB Output is correct
32 Correct 9 ms 24668 KB Output is correct
33 Correct 9 ms 24576 KB Output is correct
34 Correct 9 ms 24664 KB Output is correct
35 Correct 8 ms 24668 KB Output is correct
36 Correct 8 ms 24668 KB Output is correct
37 Correct 9 ms 24668 KB Output is correct
38 Correct 8 ms 24668 KB Output is correct
39 Correct 8 ms 24468 KB Output is correct
40 Correct 9 ms 24692 KB Output is correct
41 Correct 11 ms 25180 KB Output is correct
42 Correct 9 ms 24780 KB Output is correct
43 Correct 10 ms 24924 KB Output is correct
44 Correct 9 ms 24668 KB Output is correct
45 Correct 9 ms 24924 KB Output is correct
46 Correct 10 ms 24668 KB Output is correct
47 Correct 10 ms 25056 KB Output is correct
48 Correct 72 ms 32664 KB Output is correct
49 Correct 77 ms 33364 KB Output is correct
50 Correct 69 ms 33104 KB Output is correct
51 Correct 68 ms 33100 KB Output is correct
52 Correct 67 ms 33040 KB Output is correct
53 Correct 142 ms 41296 KB Output is correct
54 Correct 19 ms 26456 KB Output is correct
55 Correct 44 ms 30036 KB Output is correct
56 Correct 10 ms 24924 KB Output is correct
57 Correct 17 ms 26316 KB Output is correct
58 Correct 14 ms 26512 KB Output is correct
59 Correct 390 ms 64904 KB Output is correct
60 Correct 667 ms 83204 KB Output is correct
61 Correct 433 ms 77648 KB Output is correct
62 Correct 442 ms 77652 KB Output is correct
63 Correct 543 ms 81236 KB Output is correct
64 Correct 439 ms 77652 KB Output is correct
65 Correct 438 ms 77652 KB Output is correct
66 Correct 148 ms 46232 KB Output is correct
67 Correct 511 ms 80460 KB Output is correct
68 Correct 204 ms 89556 KB Output is correct
69 Correct 150 ms 61268 KB Output is correct
70 Correct 237 ms 98128 KB Output is correct
71 Correct 9 ms 24664 KB Output is correct
72 Correct 8 ms 24668 KB Output is correct
73 Correct 9 ms 24668 KB Output is correct
74 Correct 9 ms 24664 KB Output is correct
75 Correct 8 ms 24668 KB Output is correct
76 Correct 8 ms 24668 KB Output is correct
77 Correct 97 ms 74748 KB Output is correct
78 Correct 99 ms 74576 KB Output is correct
79 Correct 99 ms 74580 KB Output is correct
80 Correct 100 ms 74668 KB Output is correct
81 Correct 217 ms 89428 KB Output is correct
82 Correct 252 ms 104136 KB Output is correct
83 Correct 271 ms 104500 KB Output is correct
84 Correct 985 ms 126260 KB Output is correct
85 Execution timed out 1016 ms 136568 KB Time limit exceeded
86 Halted 0 ms 0 KB -