답안 #723851

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
723851	2023-04-14T11:18:39 Z	vjudge1	메기 농장 (IOI22_fish)	C++17	18 / 100	89 ms	12332 KB

fish

//#include "fish.h"
#include<bits/stdc++.h>
#define ll long long

#include <vector>

ll mx(ll a,ll b){
    if(a>b) return a;
    return b;
}

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,std::vector<int> W) {
    ll dp[N][2],a[N];
    ll x1[N],x2[N];
    ll sum=0,say=0,sum0=0,sum1=0,say1=0;
    for(int i=0;i<N;i++){
        x1[i]=x2[i]=dp[i][0]=dp[i][1]=a[i]=0;
    }
    for(int i=0;i<M;i++){
        a[X[i]]=1ll*W[i];
        if(X[i]%2==1){
            say=1;
        }
        if(X[i]>1){
            say1=1;
        }
        if(X[i]==0){
            x1[Y[i]]=W[i];
            sum0+=W[i];
        }
        else{
            x2[Y[i]]=W[i];
            sum1+=W[i];
        }
        sum+=W[i];
    }
    ll SUM=mx(sum0,sum1);
    if(say1==0){
        for(int i=1;i<N;i++){
            x1[i]+=x1[i-1];
            x2[i]+=x2[i-1];
        }
        if(N>2){
            for(int i=0;i<N;i++){
                SUM=mx(SUM,x1[i]+x2[N-1]-x2[i]);
            }
        }
    }
    dp[0][1]=a[0];
    dp[1][0]=a[0];
    dp[1][1]=a[1];
    ll ans=mx(a[0],a[1]);
    for(int i=2;i<N;i++){
        if(i>2){
            dp[i][0]=mx(dp[i-3][0]+a[i-1]+a[i-2],mx(dp[i-1][1],dp[i-1][0]));
        }
        else{
            dp[i][0]=dp[i-1][1];
        }
        dp[i][1]=dp[i-1][0]+a[i];

    }
    ans=mx(dp[N-1][1],dp[N-1][0]);
    if(say==0){
        ans=sum;
    }
    else if(say1==0){
        ans=mx(sum0,sum1);
        if(N>2){
            ans=SUM;
        }
    }
    return ans;
}
/*
9 9
0 0 1
1 0 4
2 0 5
3 0 2
4 0 1
5 0 5
6 0 3
7 0 2
8 0 1
*/

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	5604 KB	Output is correct
2	Correct	30 ms	6476 KB	Output is correct
3	Correct	3 ms	4180 KB	Output is correct
4	Correct	3 ms	4180 KB	Output is correct
5	Correct	87 ms	11232 KB	Output is correct
6	Correct	89 ms	11216 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	68 ms	7588 KB	Output is correct
3	Correct	65 ms	12332 KB	Output is correct
4	Correct	25 ms	7056 KB	Output is correct
5	Correct	31 ms	8252 KB	Output is correct
6	Correct	1 ms	300 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	3 ms	4180 KB	Output is correct
11	Correct	4 ms	4144 KB	Output is correct
12	Correct	33 ms	7120 KB	Output is correct
13	Correct	30 ms	8244 KB	Output is correct
14	Correct	26 ms	7008 KB	Output is correct
15	Correct	29 ms	7884 KB	Output is correct
16	Correct	35 ms	7116 KB	Output is correct
17	Correct	39 ms	7868 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4180 KB	Output is correct
2	Correct	3 ms	4180 KB	Output is correct
3	Correct	16 ms	5076 KB	Output is correct
4	Correct	11 ms	5076 KB	Output is correct
5	Correct	30 ms	6472 KB	Output is correct
6	Correct	22 ms	6472 KB	Output is correct
7	Correct	28 ms	6468 KB	Output is correct
8	Correct	30 ms	6472 KB	Output is correct

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	212 KB	1st lines differ - on the 1st token, expected: '3', found: '2'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	212 KB	1st lines differ - on the 1st token, expected: '3', found: '2'
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	212 KB	1st lines differ - on the 1st token, expected: '3', found: '2'
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4180 KB	Output is correct
2	Correct	3 ms	4180 KB	Output is correct
3	Correct	16 ms	5076 KB	Output is correct
4	Correct	11 ms	5076 KB	Output is correct
5	Correct	30 ms	6472 KB	Output is correct
6	Correct	22 ms	6472 KB	Output is correct
7	Correct	28 ms	6468 KB	Output is correct
8	Correct	30 ms	6472 KB	Output is correct
9	Incorrect	28 ms	6572 KB	1st lines differ - on the 1st token, expected: '99999', found: '66666'
10	Halted	0 ms	0 KB	-

Subtask #8
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	5604 KB	Output is correct
2	Correct	30 ms	6476 KB	Output is correct
3	Correct	3 ms	4180 KB	Output is correct
4	Correct	3 ms	4180 KB	Output is correct
5	Correct	87 ms	11232 KB	Output is correct
6	Correct	89 ms	11216 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	68 ms	7588 KB	Output is correct
9	Correct	65 ms	12332 KB	Output is correct
10	Correct	25 ms	7056 KB	Output is correct
11	Correct	31 ms	8252 KB	Output is correct
12	Correct	1 ms	300 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	3 ms	4180 KB	Output is correct
17	Correct	4 ms	4144 KB	Output is correct
18	Correct	33 ms	7120 KB	Output is correct
19	Correct	30 ms	8244 KB	Output is correct
20	Correct	26 ms	7008 KB	Output is correct
21	Correct	29 ms	7884 KB	Output is correct
22	Correct	35 ms	7116 KB	Output is correct
23	Correct	39 ms	7868 KB	Output is correct
24	Correct	3 ms	4180 KB	Output is correct
25	Correct	3 ms	4180 KB	Output is correct
26	Correct	16 ms	5076 KB	Output is correct
27	Correct	11 ms	5076 KB	Output is correct
28	Correct	30 ms	6472 KB	Output is correct
29	Correct	22 ms	6472 KB	Output is correct
30	Correct	28 ms	6468 KB	Output is correct
31	Correct	30 ms	6472 KB	Output is correct
32	Incorrect	1 ms	212 KB	1st lines differ - on the 1st token, expected: '3', found: '2'
33	Halted	0 ms	0 KB	-

답안 #723851

Compilation message