oj.uz

답안 #579622

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
579622 2022-06-19T13:57:47 Z wdjpng Uplifting Excursion (BOI22_vault) C++17
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>


#define int long long
#define rep(i,n) for(int i = 0; i < n; i++)
#define per(i,n) for(int i = n-1; i >=0; i--)

using namespace std;

signed main()
{
    int m,l;
    cin>>m>>l;
    int maxl=max(l+1,(m)*(m+1)/2*50);
    vector<int>dp(2*maxl+1, -1);
    dp[maxl]=0;
    cout<<dp[-1];
    for(int cl = -m; cl <= m; cl++)
    {
        int a;
        cin>>a;
        rep(whatever,a)
        {
            if(cl>0)
            {
                per(i,2*maxl+1)
                {
                    if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
                    dp[i]=max(dp[i], dp[i-cl]+1);
                }
            } else
            rep(i,2*maxl+1) 
            {
                if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
                dp[i]=max(dp[i], dp[i-cl]+1);
            }
        }
    }
    if(dp[l+maxl]>0) cout<<dp[l+maxl]<<'\n';
    else cout<<"impossible\n";
}

Compilation message

vault.cpp: In function 'int main()':
vault.cpp:28:36: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |                     if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
      |                                ~~~~^~~~~~~~~~~
vault.cpp:34:32: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |                 if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
      |                            ~~~~^~~~~~~~~~~

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -