oj.uz

Submission #955719

# Submission time Handle Problem Language Result Execution time Memory
955719 2024-03-31T11:11:17 Z vjudge1 Pinball (JOI14_pinball) C++17
11 / 100
 216 ms 404308 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
#define int long long

ll dp[205][505][505];

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    int n, m;
    cin >> n >> m;

    vector<array<int, 4> > v(n+2);
    set<int> s; s.insert(1); s.insert(m);
    for(int i=1; i<=n; i++) {
            cin >> v[i][0] >> v[i][1] >> v[i][2] >> v[i][3];
            s.insert(v[i][0]);
            s.insert(v[i][1]);
            s.insert(v[i][2]);
    }

    vector<int> comp(s.begin(), s.end());
    for(int i=1; i<=n; i++) {
        v[i][0] = lower_bound(comp.begin(), comp.end(), v[i][0]) - comp.begin();
        v[i][1] = lower_bound(comp.begin(), comp.end(), v[i][1]) - comp.begin();
        v[i][2] = lower_bound(comp.begin(), comp.end(), v[i][2]) - comp.begin();
    }

    for(int i=0; i<=n+1; i++)
        for(int j=0; j<comp.size(); j++)
            for(int k=0; k<comp.size(); k++) dp[i][j][k] = 1e14;

    for(int i=0; i<=comp.size(); i++) dp[n+1][i][i] = 0;

    for(int i=n+1; i>=2; i--) {
        for(int j=0; j<comp.size(); j++) {
            for(int k=j; k<comp.size(); k++) {
                dp[i-1][j][k] = min(dp[i-1][j][k], dp[i][j][k]);
                if(j <= v[i-1][2] && v[i-1][2] <= k) dp[i-1][min(j, v[i-1][0])][max(k, v[i-1][1])] = min(dp[i-1][min(j, v[i-1][0])][max(k, v[i-1][1])], dp[i][j][k] + v[i-1][3]);
            }
        }
    }

    if(dp[1][0][comp.size()-1] >= 1e14) cout << -1 << '\n';
    else cout << dp[1][0][comp.size()-1] << '\n';
    return 0;
}

Compilation message

pinball.cpp: In function 'int32_t main()':
pinball.cpp:34:23: 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 |         for(int j=0; j<comp.size(); j++)
      |                      ~^~~~~~~~~~~~
pinball.cpp:35:27: 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]
   35 |             for(int k=0; k<comp.size(); k++) dp[i][j][k] = 1e14;
      |                          ~^~~~~~~~~~~~
pinball.cpp:37:19: 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]
   37 |     for(int i=0; i<=comp.size(); i++) dp[n+1][i][i] = 0;
      |                  ~^~~~~~~~~~~~~
pinball.cpp:40:23: 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]
   40 |         for(int j=0; j<comp.size(); j++) {
      |                      ~^~~~~~~~~~~~
pinball.cpp:41:27: 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]
   41 |             for(int k=j; k<comp.size(); k++) {
      |                          ~^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 3 ms 18780 KB Output is correct
3 Correct 3 ms 22900 KB Output is correct
4 Correct 3 ms 23132 KB Output is correct
5 Correct 3 ms 23092 KB Output is correct
6 Correct 3 ms 22876 KB Output is correct
7 Correct 3 ms 23132 KB Output is correct
8 Correct 3 ms 22876 KB Output is correct

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 3 ms 18780 KB Output is correct
3 Correct 3 ms 22900 KB Output is correct
4 Correct 3 ms 23132 KB Output is correct
5 Correct 3 ms 23092 KB Output is correct
6 Correct 3 ms 22876 KB Output is correct
7 Correct 3 ms 23132 KB Output is correct
8 Correct 3 ms 22876 KB Output is correct
9 Correct 32 ms 166224 KB Output is correct
10 Correct 68 ms 233176 KB Output is correct
11 Correct 90 ms 270492 KB Output is correct
12 Incorrect 216 ms 404308 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 3 ms 18780 KB Output is correct
3 Correct 3 ms 22900 KB Output is correct
4 Correct 3 ms 23132 KB Output is correct
5 Correct 3 ms 23092 KB Output is correct
6 Correct 3 ms 22876 KB Output is correct
7 Correct 3 ms 23132 KB Output is correct
8 Correct 3 ms 22876 KB Output is correct
9 Correct 32 ms 166224 KB Output is correct
10 Correct 68 ms 233176 KB Output is correct
11 Correct 90 ms 270492 KB Output is correct
12 Incorrect 216 ms 404308 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 3 ms 18780 KB Output is correct
3 Correct 3 ms 22900 KB Output is correct
4 Correct 3 ms 23132 KB Output is correct
5 Correct 3 ms 23092 KB Output is correct
6 Correct 3 ms 22876 KB Output is correct
7 Correct 3 ms 23132 KB Output is correct
8 Correct 3 ms 22876 KB Output is correct
9 Correct 32 ms 166224 KB Output is correct
10 Correct 68 ms 233176 KB Output is correct
11 Correct 90 ms 270492 KB Output is correct
12 Incorrect 216 ms 404308 KB Output isn't correct
13 Halted 0 ms 0 KB -