답안 #858747

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
858747	2023-10-09T05:58:07 Z	sleepntsheep	메기 농장 (IOI22_fish)	C++17	18 / 100	65 ms	10952 KB

fish

#include <cstdio>
#include <cstring>
#include <cassert>
#include <string>
#include <deque>
#include <vector>
#include <map>
#include <queue>
#include <algorithm>
#include <iostream>
#include <utility>
#include <numeric>
using namespace std;
using ll=long long;

#define N 200005
#define ALL(x) x.begin(), x.end()

int n, m, *x, *y, *w;

long long max_weights(int n_, int m_, vector<int> x_, vector<int> y_, vector<int> w_)
{
    x = x_.data();
    y = y_.data();
    w = w_.data();
    n = n_, m = m_;

    if (count_if(x, x+m, [](int x){ return x%2; }) == 0) return accumulate(w, w+m, 0ll);
    if (*max_element(x, x+m) <= 1)
    {
        vector<vector<ll>> pf(2, vector<ll>(n+1));
        for (int i = 0; i < m; ++i) pf[x[i]][y[i]] += w[i];
        for (int i = 0; i < 2; ++i)
            for (int j = 1; j < n; ++j)
                pf[i][j] += pf[i][j-1];
        ll z = max(pf[0][n-1], pf[1][n-1]);
        if (n > 2)
        {
            for (int j = 0; j < n; ++j)
                z = max(z, pf[0][j] + pf[1][n-1] - pf[1][j]);
        }
        return z;
    }
    if (*max_element(y, y+m) == 0)
    {
        vector<ll> byx(n);
        for (int i = 0; i < m; ++i) byx[x[i]] += w[i];
        vector<vector<ll>> dp(n+2, vector<ll>(3));
        dp[0][0] = 0; dp[0][1] = byx[0]; dp[1][0] = dp[0][1]; dp[1][1] = byx[1]; dp[1][2] = byx[1];
        for (int i = 2; i < n; ++i)
        {
            dp[i][0] = max({dp[i-1][2], dp[i-1][1], dp[i-1][0]});
            dp[i][1] = dp[i-1][0] + byx[i];
            dp[i][2] = dp[i-1][1] + byx[i];
        }
        return max(dp[n-1][0], dp[n-1][1]);
    }
    if (N <= 300 && *max_element(y, y+m) <= 8)
    {
    }

    return 0;
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	2392 KB	Output is correct
2	Correct	22 ms	2640 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	62 ms	7248 KB	Output is correct
6	Correct	65 ms	7252 KB	Output is correct

Subtask #2
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	36 ms	6192 KB	Output is correct
3	Correct	45 ms	10952 KB	Output is correct
4	Correct	18 ms	3676 KB	Output is correct
5	Correct	24 ms	4536 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	600 KB	Output is correct
8	Correct	1 ms	500 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	19 ms	5620 KB	Output is correct
13	Correct	22 ms	6828 KB	Output is correct
14	Correct	19 ms	5712 KB	Output is correct
15	Correct	21 ms	6476 KB	Output is correct
16	Correct	19 ms	5712 KB	Output is correct
17	Correct	21 ms	6484 KB	Output is correct

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	6 ms	6492 KB	Output is correct
3	Correct	17 ms	7224 KB	Output is correct
4	Correct	14 ms	8024 KB	Output is correct
5	Correct	28 ms	10424 KB	Output is correct
6	Correct	26 ms	9820 KB	Output is correct
7	Correct	27 ms	10588 KB	Output is correct
8	Correct	27 ms	10780 KB	Output is correct

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	348 KB	1st lines differ - on the 1st token, expected: '3', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	348 KB	1st lines differ - on the 1st token, expected: '3', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	348 KB	1st lines differ - on the 1st token, expected: '3', found: '0'
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	6 ms	6492 KB	Output is correct
3	Correct	17 ms	7224 KB	Output is correct
4	Correct	14 ms	8024 KB	Output is correct
5	Correct	28 ms	10424 KB	Output is correct
6	Correct	26 ms	9820 KB	Output is correct
7	Correct	27 ms	10588 KB	Output is correct
8	Correct	27 ms	10780 KB	Output is correct
9	Incorrect	20 ms	3924 KB	1st lines differ - on the 1st token, expected: '99999', found: '0'
10	Halted	0 ms	0 KB	-

Subtask #8
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	2392 KB	Output is correct
2	Correct	22 ms	2640 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	62 ms	7248 KB	Output is correct
6	Correct	65 ms	7252 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	36 ms	6192 KB	Output is correct
9	Correct	45 ms	10952 KB	Output is correct
10	Correct	18 ms	3676 KB	Output is correct
11	Correct	24 ms	4536 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	1 ms	500 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	19 ms	5620 KB	Output is correct
19	Correct	22 ms	6828 KB	Output is correct
20	Correct	19 ms	5712 KB	Output is correct
21	Correct	21 ms	6476 KB	Output is correct
22	Correct	19 ms	5712 KB	Output is correct
23	Correct	21 ms	6484 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	6 ms	6492 KB	Output is correct
26	Correct	17 ms	7224 KB	Output is correct
27	Correct	14 ms	8024 KB	Output is correct
28	Correct	28 ms	10424 KB	Output is correct
29	Correct	26 ms	9820 KB	Output is correct
30	Correct	27 ms	10588 KB	Output is correct
31	Correct	27 ms	10780 KB	Output is correct
32	Incorrect	0 ms	348 KB	1st lines differ - on the 1st token, expected: '3', found: '0'
33	Halted	0 ms	0 KB	-

답안 #858747

Compilation message