oj.uz

답안 #1059794

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1059794 2024-08-15T08:14:09 Z tolbi 봉쇄 시간 (IOI23_closing) C++17
9 / 100
 1000 ms 11344 KB 
#include "closing.h"

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

int max_score(int N, int X, int Y, long long K,
  std::vector<int> U, std::vector<int> V, std::vector<int> W)
{
    vector<long long> dp1(N);
    vector<long long> dp2(N);
    vector<long long> dp3(N);
    long long cur = 0;
    for (int i = X-1; i >= 0; i--){
        cur+=W[i];
        dp1[i]=cur;
    }
    cur=0;
    for (int i = X+1; i < N; i++){
        cur+=W[i-1];
        dp1[i]=cur;
    }

    cur = 0;
    for (int i = Y-1; i >= 0; i--){
        cur+=W[i];
        dp2[i]=cur;
    }
    cur=0;
    for (int i = Y+1; i < N; i++){
        cur+=W[i-1];
        dp2[i]=cur;
    }
    for (int i = 0; i < N; i++){
        dp3[i]=max(dp1[i],dp2[i]);
        if (i) dp3[i]+=dp3[i-1];
    }
    int ans = 0;
    for (int l = 0; l <= Y; l++){
        for (int r = max(X,l); r < N; r++){
            long long cur = dp3[r];
            if (l) cur-=dp3[l-1];
            if (cur>K) break;
            int rbound = N-1;
            for (int j = r+1; j < N; j++){
                cur+=dp2[j];
            }
            for (int j = l-1; j >= 0; j--){
                cur+=dp1[j];
                while (cur>K){
                    if (rbound==r) break;
                    cur-=dp2[rbound];
                    rbound--;
                    if (rbound==r) break;
                }
                if (cur>K) break;
                if (cur<=K && rbound>=Y && j<=X){
                    ans=max(ans,rbound-l+1+r-j+1);
                }
            }
        }
    }
    vector<long long> pref = dp2;
    for (int i = 1; i < pref.size(); i++){
        pref[i]+=pref[i-1];
    }
    function<long long(int,int)> query = [&](int l, int r)->long long{
        if (l>r) return 0;
        long long hh = pref[r];
        if (l) hh-=pref[l-1];
        return hh;
    };
    for (int a = 0; a <= X; a++){
        for (int b = Y; b < N; b++){
            long long cur = 0;
            for (int i = a; i <= X; i++){
                cur+=dp1[i];
            }
            for (int i = Y; i <= b; i++){
                cur+=dp2[i];
            }
            if (cur>K) continue;
            for (int rv = a; rv < b; rv++){
                if (cur>K) break;
                int l = rv+1, r = b;
                while (l<r){
                    int mid = l+(r-l)/2;
                    if (query(mid,b-1)+cur<=K){
                        r=mid;
                    }
                    else l=mid+1;
                }
                ans=max(ans,rv-a+1+b-l+1);
                cur+=dp1[rv+1];
            }
        }
    }
    return ans;
}

Compilation message

closing.cpp: In function 'int max_score(int, int, int, long long int, std::vector<int>, std::vector<int>, std::vector<int>)':
closing.cpp:63:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |     for (int i = 1; i < pref.size(); i++){
      |                     ~~^~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #1
0.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1026 ms 11344 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #3
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 Incorrect 1 ms 348 KB 10th lines differ - on the 1st token, expected: '34', found: '33'
19 Halted 0 ms 0 KB -

Subtask #4
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 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 Incorrect 1 ms 348 KB 10th lines differ - on the 1st token, expected: '34', found: '33'
19 Halted 0 ms 0 KB -

Subtask #5
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -