답안 #1079482

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1079482 2024-08-28T15:39:33 Z ArthuroWich 메기 농장 (IOI22_fish) C++17
35 / 100
1000 ms 2097152 KB
#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long int
int pref[3005][3005];
int query(int j, int i1, int i2) {
    if (i1 > i2) {
        return 0;
    }
    return pref[i2][j]-pref[i1-1][j];
}
int max_weights(int32_t N, int32_t M, vector<int32_t> X, vector<int32_t> Y, vector<int32_t> W) {
    int n = N, m = M, yn;
    yn = N;
    vector<vector<int>> c(yn+1, vector<int>(n+1, 0));
    vector<vector<vector<int>>> dp(yn+1, vector<vector<int>>(n+1, vector<int>(2, 0))); // 0 is increasing, 1 is decreasing, increasing can go to decreasing, decreasing cant go to increasing if next to eachother
    for (int i = 0; i < m; i++) {
        c[Y[i]+1][X[i]] = W[i];
        pref[Y[i]+1][X[i]] = W[i];
    }
    for (int j = 0; j < n; j++) {
        for (int i = 1; i <= yn; i++) {
            pref[i][j] += pref[i-1][j];
        }
    }
    for (int j = 1; j < n; j++) {
        int v = 0;
        dp[0][j][0] = max(dp[0][j][0], dp[0][j-1][0]);
        for (int i = 1; i <= yn; i++) {
            v += c[i][j];
            dp[0][j][0] = max(dp[0][j][0], dp[i][j-1][0]+v);
            dp[0][j][0] = max(dp[0][j][0], dp[i][j-1][1]+v);
        }
        for (int i = 1; i <= yn; i++) {
            for (int a = i; a <= yn; a++) {
                v = query(j, i+1, a);
                dp[i][j][1] = max(dp[i][j][1], dp[a][j-1][0]+v);
                dp[i][j][1] = max(dp[i][j][1], dp[a][j-1][1]+v);
            } 
            for (int a = 1; a <= i; a++) {
                v = query(j-1, a+1, i);
                dp[i][j][0] = max(dp[i][j][0], dp[a][j-1][0]+v);
            } 
        }
        if (j == 1) {
            v = 0;
            for (int i = 1; i <= yn; i++) {
                v += c[i][j-1];
                dp[i][j][0] = max(dp[i][j][0], dp[0][j-1][0]+v);
                dp[i][j][1] = max(dp[i][j][1], dp[0][j-1][0]+v);
            }
        }
        if (j-2 >= 0) {
            v = 0;
            for (int i = 1; i <= yn; i++) {
                v += c[i][j-1];
                dp[i][j][0] = max(dp[i][j][0], dp[0][j-2][0]+v);
                dp[i][j][1] = max(dp[i][j][1], dp[0][j-2][0]+v);
            }
            for (int i = 1; i <= yn; i++) {
                v = query(j-1, 1, i);
                for (int h = 1; h <= i; h++) {
                    dp[i][j][0] = max(dp[i][j][0], dp[h][j-2][0]+v); // we just max of j-2 opt
                    dp[i][j][0] = max(dp[i][j][0], dp[h][j-2][1]+v);
                    dp[i][j][1] = max(dp[i][j][1], dp[h][j-2][0]+v);
                    dp[i][j][1] = max(dp[i][j][1], dp[h][j-2][1]+v);
                }
            }
        }
    }
    int ans = 0;
    for (int i = 0; i <= yn; i++) {
        ans = max(ans, dp[i][n-1][0]);
        ans = max(ans, dp[i][n-1][1]);
    }
    return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Runtime error 816 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Runtime error 825 ms 2097152 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 816 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 16 ms 6048 KB Output is correct
10 Correct 132 ms 14336 KB Output is correct
11 Correct 16 ms 5976 KB Output is correct
12 Correct 130 ms 14424 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 125 ms 14428 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 16 ms 6048 KB Output is correct
10 Correct 132 ms 14336 KB Output is correct
11 Correct 16 ms 5976 KB Output is correct
12 Correct 130 ms 14424 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 125 ms 14428 KB Output is correct
15 Correct 126 ms 14396 KB Output is correct
16 Correct 2 ms 2904 KB Output is correct
17 Correct 136 ms 16240 KB Output is correct
18 Correct 137 ms 16216 KB Output is correct
19 Correct 135 ms 16216 KB Output is correct
20 Correct 132 ms 16220 KB Output is correct
21 Correct 137 ms 16192 KB Output is correct
22 Correct 142 ms 18000 KB Output is correct
23 Correct 128 ms 14680 KB Output is correct
24 Correct 134 ms 15448 KB Output is correct
25 Correct 142 ms 14424 KB Output is correct
26 Correct 127 ms 14720 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 16 ms 6048 KB Output is correct
10 Correct 132 ms 14336 KB Output is correct
11 Correct 16 ms 5976 KB Output is correct
12 Correct 130 ms 14424 KB Output is correct
13 Correct 2 ms 2648 KB Output is correct
14 Correct 125 ms 14428 KB Output is correct
15 Correct 126 ms 14396 KB Output is correct
16 Correct 2 ms 2904 KB Output is correct
17 Correct 136 ms 16240 KB Output is correct
18 Correct 137 ms 16216 KB Output is correct
19 Correct 135 ms 16216 KB Output is correct
20 Correct 132 ms 16220 KB Output is correct
21 Correct 137 ms 16192 KB Output is correct
22 Correct 142 ms 18000 KB Output is correct
23 Correct 128 ms 14680 KB Output is correct
24 Correct 134 ms 15448 KB Output is correct
25 Correct 142 ms 14424 KB Output is correct
26 Correct 127 ms 14720 KB Output is correct
27 Execution timed out 1071 ms 635308 KB Time limit exceeded
28 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 816 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 816 ms 2097152 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -