oj.uz

답안 #661008

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
661008 2022-11-23T20:38:42 Z mychecksedad 메기 농장 (IOI22_fish) C++17
9 / 100
 222 ms 188160 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define pb push_back
const int S = 1e5 + 100;


ll dp[S][15][15], a[S][2], s[S], pref[S][15];
long long max_weights(int n, int m, std::vector<int> x, std::vector<int> y, std::vector<int> w){  
    bool case1 = 1, case2 = 1;
    for(int i = 0; i < m; ++i){
        if(x[i] % 2) case1 = 0;
        if(x[i] > 1) case2 = 0;
    }
    if(case1){
        ll ans = 0;
        for(int i = 0; i < m; ++i) ans += w[i];
        return ans;
    }
    if(case2){
        ll ans1 = 0, ans2 = 0;

        for(int i = 0; i < m; ++i){
            if(x[i] == 0) ans1 += w[i];
            else ans2 += w[i];
        }
        if(n == 2)
            return max(ans1, ans2);
        else{
            ll best = 0, sum = 0;
            int p = 0;
            for(int i = 0; i <= n + 1; ++i) a[i][0] = a[i][1] = s[i] = 0;
            for(int i = 0; i < m; i++) if(x[i] == 0) a[y[i]][0] = w[i]; else a[y[i]][1] = w[i];

            for(int i = n; i >= 0; --i) s[i] = s[i + 1] + a[i][1];

            for(int i = 0; i <= n + 1; ++i){
                best = max(best, s[i] + sum);
                sum += a[i][0];
            }

            return best;
        }
    }
    for(int i = 0; i <= n; ++i){
        for(int j = 0; j < 15; ++j) pref[i][j] = 0;
        for(int j = 0; j < 15; ++j) for(int k = 0; k < 15; ++k) dp[i][j][k] = 0;
    }
    for(int i = 0; i < m; ++i) pref[x[i]][y[i] + 1] = w[i];

    for(int i = 0; i <= n; ++i){
        for(int j = 1; j < 15; ++j) pref[i][j] += pref[i][j - 1];
    }
    for(int i = 0; i <= n; ++i){
        for(int j = 0; j < 10; ++j){
            for(int k = 0; k < 10; ++k){
                if(i == 0){
                    dp[i][j][k] = pref[i + 1][j];
                    continue;
                }
                for(int l = 0; l < 10; ++l){
                    ll val;
                    if(k >= l){
                        val = max(0ll, pref[i - 1][j] - pref[i - 1][k]);
                    }else{
                        val = max(0ll, pref[i - 1][j] - pref[i - 1][l]);
                    }
                    dp[i][j][k] = max(dp[i][j][k], dp[i - 1][k][l] + val - pref[i][k] + pref[i + 1][j]);
                }
            }
        }
    }
    return *max_element(dp[n][0], dp[n][0] + 10);
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:31:17: warning: unused variable 'p' [-Wunused-variable]
   31 |             int p = 0;
      |                 ^

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 2132 KB Output is correct
2 Correct 27 ms 2644 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 84 ms 7280 KB Output is correct
6 Correct 85 ms 7244 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 47 ms 6192 KB Output is correct
3 Correct 54 ms 7244 KB Output is correct
4 Correct 21 ms 2132 KB Output is correct
5 Correct 28 ms 2644 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 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 22 ms 4344 KB Output is correct
13 Correct 27 ms 4944 KB Output is correct
14 Correct 25 ms 4348 KB Output is correct
15 Correct 27 ms 4712 KB Output is correct
16 Correct 23 ms 4340 KB Output is correct
17 Correct 26 ms 4712 KB Output is correct

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 222 ms 188160 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
3 Halted 0 ms 0 KB -

Subtask #4
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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Incorrect 1 ms 212 KB 1st lines differ - on the 1st token, expected: '2', found: '1'
9 Halted 0 ms 0 KB -

Subtask #5
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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Incorrect 1 ms 212 KB 1st lines differ - on the 1st token, expected: '2', found: '1'
9 Halted 0 ms 0 KB -

Subtask #6
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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Incorrect 1 ms 212 KB 1st lines differ - on the 1st token, expected: '2', found: '1'
9 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 222 ms 188160 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
3 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 2132 KB Output is correct
2 Correct 27 ms 2644 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 84 ms 7280 KB Output is correct
6 Correct 85 ms 7244 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 47 ms 6192 KB Output is correct
9 Correct 54 ms 7244 KB Output is correct
10 Correct 21 ms 2132 KB Output is correct
11 Correct 28 ms 2644 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 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 22 ms 4344 KB Output is correct
19 Correct 27 ms 4944 KB Output is correct
20 Correct 25 ms 4348 KB Output is correct
21 Correct 27 ms 4712 KB Output is correct
22 Correct 23 ms 4340 KB Output is correct
23 Correct 26 ms 4712 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Incorrect 222 ms 188160 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
26 Halted 0 ms 0 KB -