oj.uz

Submission #910928

# Submission time Handle Problem Language Result Execution time Memory
910928 2024-01-18T09:44:38 Z Darren0724 Lamps (JOI19_lamps) C++17
4 / 100
 52 ms 35688 KB 
#pragma GCC optimize("Ofast","O3","unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e9;

int32_t main() {
    LCBorz;
    int n;cin>>n;
    vector<int> s(n+1),t(n+1);
    for(int i=1;i<=n;i++){
        char c;cin>>c;
        s[i]=c-'0';
    }
    for(int i=1;i<=n;i++){
        char c;cin>>c;
        t[i]=c-'0';
    }
    vector dp(6,vector(n+1,INF));
    dp[0][0]=0;
    // 0->none 1->no0 2->no1 3->flip 4->flip0 5-> flip1
    int a[6][6]={
        0,1,1,1,INF,INF,
        0,0,1,1,INF,INF,
        0,1,0,1,INF,INF,
        0,1,1,0,1,1,
        0,1,0,0,0,1,
        0,0,1,0,1,0
    };
    for(int i=1;i<=n;i++){
        if(s[i]==0&&t[i]==0){
            for(int k:{0,1,4}){
                for(int j=0;j<6;j++){
                    dp[k][i]=min(dp[k][i],dp[j][i-1]+a[j][k]);
                }
            } 
        }
        if(s[i]==1&&t[i]==0){
            for(int k:{1,3,4}){
                for(int j=0;j<6;j++){
                    dp[k][i]=min(dp[k][i],dp[j][i-1]+a[j][k]);
                }
            } 
        }
        if(s[i]==0&&t[i]==1){
            for(int k:{2,3,5}){
                for(int j=0;j<6;j++){
                    dp[k][i]=min(dp[k][i],dp[j][i-1]+a[j][k]);
                }
            } 
        }
        if(s[i]==1&&t[i]==1){
            for(int k:{0,2,5}){
                for(int j=0;j<6;j++){
                    dp[k][i]=min(dp[k][i],dp[j][i-1]+a[j][k]);
                }
            } 
        }
    }
    int ans=INF;
    for(int i=0;i<6;i++){
        ans=min(ans,dp[i][n]);
    }
    cout<<ans<<endl;
 
    return 0;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 Incorrect 1 ms 348 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #2
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 Incorrect 1 ms 348 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 500 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 40 ms 35688 KB Output is correct
8 Correct 46 ms 35668 KB Output is correct
9 Correct 52 ms 35664 KB Output is correct
10 Correct 49 ms 35664 KB Output is correct
11 Correct 46 ms 35672 KB Output is correct
12 Correct 52 ms 35676 KB Output is correct
13 Correct 45 ms 35424 KB Output is correct
14 Correct 47 ms 35524 KB Output is correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 Incorrect 1 ms 348 KB Output isn't correct
17 Halted 0 ms 0 KB -