oj.uz

Submission #874887

# Submission time Handle Problem Language Result Execution time Memory
874887 2023-11-18T03:33:41 Z Faisal_Saqib Popeala (CEOI16_popeala) C++17
17 / 100
 679 ms 262144 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
const int T=2e4+10;
const int N=52;
const int inf=2e9+1;
int points[1];
string results[1];
int pre[T];
int ptr[N];
vector<int> zero[N];
int zeros[T][T];
int dp[T][N];
int main()
{
    int n,t,s;
    cin>>n>>t>>s;
    for(int i=0;i<t;i++)
    {
        cin>>points[0];
        pre[i+1]=pre[i]+points[0];
    }
    for(int i=0;i<n;i++)
    {
        cin>>results[0];
        ptr[i]=0;
        for(int j=0;j<t;j++)
            if(results[0][j]=='0')
                zero[i].push_back(j);
    }
    for(int i=0;i<=t;i++)
        for(int j=0;j<=s;j++)
            dp[i][j]=inf;       
    // dp[i][j] we spilt the first i testcases into j subtask
    dp[0][0]=0;
    // dp[i][j]  ---> dp[i+1..n][j+1]
    for(int l=1;l<=t;l++)
    {
        for(int r=l;r<=t;r++)
        {
            zeros[l][r]=n;
            for(int i=0;i<n;i++)
            {
                while(ptr[i]<zero[i].size() and zero[i][ptr[i]]<(l-1))
                    ptr[i]++;
                if(ptr[i]<zero[i].size() and zero[i][ptr[i]] < r)
                    zeros[l][r]--;
            }
        }   
    }
    for(int i=0;i<t;i++)
    {
        for(int j=0;j<s;j++)
        {
            if(dp[i][j]==inf)
                continue;
            for(int new_i=i+1;new_i<=t;new_i++)
            {
                dp[new_i][j+1]=min(dp[new_i][j+1],dp[i][j]+(pre[new_i]-pre[i])*zeros[i+1][new_i]);
            }
        }
    }
    for(int j=1;j<=s;j++)
        cout<<dp[t][j]<<'\n';
    return 0;
}

Compilation message

popeala.cpp: In function 'int main()':
popeala.cpp:45:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |                 while(ptr[i]<zero[i].size() and zero[i][ptr[i]]<(l-1))
      |                       ~~~~~~^~~~~~~~~~~~~~~
popeala.cpp:47:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |                 if(ptr[i]<zero[i].size() and zero[i][ptr[i]] < r)
      |                    ~~~~~~^~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 41564 KB Output is correct
2 Correct 22 ms 41536 KB Output is correct
3 Correct 26 ms 42060 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 360 ms 177048 KB Output is correct
2 Correct 679 ms 241052 KB Output is correct
3 Runtime error 622 ms 262144 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #4
0 / 74.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 24 ms 41564 KB Output is correct
4 Correct 22 ms 41536 KB Output is correct
5 Correct 26 ms 42060 KB Output is correct
6 Correct 360 ms 177048 KB Output is correct
7 Correct 679 ms 241052 KB Output is correct
8 Runtime error 622 ms 262144 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -