oj.uz

Submission #966211

# Submission time Handle Problem Language Result Execution time Memory
966211 2024-04-19T14:16:19 Z andrej246 Catfish Farm (IOI22_fish) C++17
18 / 100
 76 ms 7276 KB 
#include "fish.h"

#include <bits/stdc++.h>
using namespace std;

#define NL '\n'
#define EL cout << NL
#define FOR(i,n) for(int i = 0; i < (n); i++)
#define FORS(i,s,n) for(int i = (s); i < (n); i++)
#define PRINTV(v) for(auto a:v) {cout << a << " ";} EL;
#define PRINTVV(v) for(auto a:v) {PRINTV(a);}
#define f first
#define s second
#define all(v) (v).begin(),(v).end()
#define STRP(p) "{" << (p).f << "," << (p).s << "}"
#define PRINTVP(v) for(auto a:v) {cout << STRP(a) << " ";} EL;
#define PRINTVVP(v) for(auto a:v) {PRINTVP(a);}

typedef long long ll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<vpl> vvpl;

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
    bool even = true;
    bool smallx = true;
    bool smally =  true;
    FOR(i,M) {
        if (X[i] % 2 == 1) even = false;
        if (X[i] > 1) smallx = false;
        if (Y[i] != 0) smally = false;
    }
    if (even) {
        ll res = 0;
        FOR(i,M) {
            res += W[i];
        }
        return res;
    }
    if (smallx) {
        vl left(N);
        vl right(N);
        FOR(i,M) {
            if (X[i] == 0) left[Y[i]] = W[i];
            else right[Y[i]] = W[i];
        }
        if (N == 2) {
            return max(right[0]+right[1],left[0]+left[1]);
        }
        ll ans = 0;
        FOR(i,N) {
            ans += right[i];
        }
        ll psum = ans;
        FOR(i,N) {
            psum += left[i]-right[i];
            ans = max(ans,psum);
        }
        return ans;
    }
    if (smally) {
        vector<array<array<ll,2>,2>> dp(N);
        vl a(N);
        FOR(i,M) a[X[i]] = W[i];
        dp[0][0] = {0,0};
        dp[0][1] = {0,0};
        FORS(i,1,N) {
            dp[i][0][0] = max(dp[i-1][0][0],dp[i-1][1][0]);
            dp[i][1][0] = max(dp[i-1][0][1],dp[i-1][1][1]) + a[i];
            dp[i][0][1] = max(dp[i-1][1][0],dp[i-1][0][0] + a[i-1]);
            dp[i][1][1] = max(dp[i-1][0][1],dp[i-1][1][1]);
        }
        return max(dp[N-1][0][0],max(dp[N-1][0][1],max(dp[N-1][1][0],dp[N-1][1][1])));
    }
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:78:1: warning: control reaches end of non-void function [-Wreturn-type]
   78 | }
      | ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 2140 KB Output is correct
2 Correct 24 ms 2644 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 76 ms 7252 KB Output is correct
6 Correct 67 ms 7276 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 37 ms 5456 KB Output is correct
3 Correct 45 ms 6484 KB Output is correct
4 Correct 17 ms 2136 KB Output is correct
5 Correct 21 ms 2652 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 18 ms 3708 KB Output is correct
13 Correct 25 ms 4188 KB Output is correct
14 Correct 19 ms 3664 KB Output is correct
15 Correct 21 ms 3924 KB Output is correct
16 Correct 18 ms 3676 KB Output is correct
17 Correct 23 ms 4060 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 13 ms 5212 KB Output is correct
4 Correct 10 ms 5212 KB Output is correct
5 Correct 22 ms 6484 KB Output is correct
6 Correct 19 ms 6492 KB Output is correct
7 Correct 23 ms 6484 KB Output is correct
8 Correct 34 ms 6492 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 2 ms 4188 KB Output is correct
3 Correct 13 ms 5212 KB Output is correct
4 Correct 10 ms 5212 KB Output is correct
5 Correct 22 ms 6484 KB Output is correct
6 Correct 19 ms 6492 KB Output is correct
7 Correct 23 ms 6484 KB Output is correct
8 Correct 34 ms 6492 KB Output is correct
9 Incorrect 22 ms 6484 KB 1st lines differ - on the 1st token, expected: '99999', found: '66666'
10 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 2140 KB Output is correct
2 Correct 24 ms 2644 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 76 ms 7252 KB Output is correct
6 Correct 67 ms 7276 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 37 ms 5456 KB Output is correct
9 Correct 45 ms 6484 KB Output is correct
10 Correct 17 ms 2136 KB Output is correct
11 Correct 21 ms 2652 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 18 ms 3708 KB Output is correct
19 Correct 25 ms 4188 KB Output is correct
20 Correct 19 ms 3664 KB Output is correct
21 Correct 21 ms 3924 KB Output is correct
22 Correct 18 ms 3676 KB Output is correct
23 Correct 23 ms 4060 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 2 ms 4188 KB Output is correct
26 Correct 13 ms 5212 KB Output is correct
27 Correct 10 ms 5212 KB Output is correct
28 Correct 22 ms 6484 KB Output is correct
29 Correct 19 ms 6492 KB Output is correct
30 Correct 23 ms 6484 KB Output is correct
31 Correct 34 ms 6492 KB Output is correct
32 Incorrect 1 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '2'
33 Halted 0 ms 0 KB -