oj.uz

Submission #955743

# Submission time Handle Problem Language Result Execution time Memory
955743 2024-03-31T11:41:02 Z vjudge1 Pinball (JOI14_pinball) C++17
29 / 100
 99 ms 12124 KB 
#include <bits/stdc++.h>

#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;

ll dp[2][605][605];

int32_t main() {
    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(all(s));

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

    for(int i=0; i<comp.size(); i++)
        for(int j=i; j<comp.size(); j++) dp[0][i][j] = dp[1][i][j] = 1e16;
    for(int i=0; i<comp.size(); i++) dp[0][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++) {
                if(dp[0][j][k] >= 1e16) continue;
                dp[1][j][k] = min(dp[1][j][k], dp[0][j][k]);
                if(j <= v[i-1][2] && v[i-1][2] <= k) {
                    int l = min(j, v[i-1][0]);
                    int r = max(k, v[i-1][1]);
                    dp[1][l][r] = min(dp[1][l][r], dp[0][j][k] + v[i-1][3]);
                }
            }
        }
        swap(dp[0], dp[1]);
    }

    if(dp[0][0][comp.size()-1] >= 1e16) cout << -1 << '\n';
    else cout << dp[0][0][comp.size()-1] << '\n';
    return 0;
}

Compilation message

pinball.cpp: In function 'int32_t main()':
pinball.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(int i=0; i<comp.size(); i++)
      |                  ~^~~~~~~~~~~~
pinball.cpp:46:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |         for(int j=i; j<comp.size(); j++) dp[0][i][j] = dp[1][i][j] = 1e16;
      |                      ~^~~~~~~~~~~~
pinball.cpp:47:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |     for(int i=0; i<comp.size(); i++) dp[0][i][i] = 0;
      |                  ~^~~~~~~~~~~~
pinball.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |         for(int j=0; j<comp.size(); j++) {
      |                      ~^~~~~~~~~~~~
pinball.cpp:51:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |             for(int k=j; k<comp.size(); k++) {
      |                          ~^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5976 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 4 ms 6164 KB Output is correct
4 Correct 4 ms 5980 KB Output is correct
5 Correct 4 ms 5980 KB Output is correct
6 Correct 4 ms 5980 KB Output is correct
7 Correct 4 ms 5980 KB Output is correct
8 Correct 5 ms 5980 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5976 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 4 ms 6164 KB Output is correct
4 Correct 4 ms 5980 KB Output is correct
5 Correct 4 ms 5980 KB Output is correct
6 Correct 4 ms 5980 KB Output is correct
7 Correct 4 ms 5980 KB Output is correct
8 Correct 5 ms 5980 KB Output is correct
9 Correct 55 ms 6232 KB Output is correct
10 Correct 66 ms 5980 KB Output is correct
11 Correct 56 ms 5980 KB Output is correct
12 Correct 76 ms 5976 KB Output is correct
13 Correct 99 ms 6176 KB Output is correct
14 Correct 87 ms 6180 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5976 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 4 ms 6164 KB Output is correct
4 Correct 4 ms 5980 KB Output is correct
5 Correct 4 ms 5980 KB Output is correct
6 Correct 4 ms 5980 KB Output is correct
7 Correct 4 ms 5980 KB Output is correct
8 Correct 5 ms 5980 KB Output is correct
9 Correct 55 ms 6232 KB Output is correct
10 Correct 66 ms 5980 KB Output is correct
11 Correct 56 ms 5980 KB Output is correct
12 Correct 76 ms 5976 KB Output is correct
13 Correct 99 ms 6176 KB Output is correct
14 Correct 87 ms 6180 KB Output is correct
15 Correct 26 ms 5980 KB Output is correct
16 Runtime error 7 ms 12124 KB Execution killed with signal 11
17 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5976 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 4 ms 6164 KB Output is correct
4 Correct 4 ms 5980 KB Output is correct
5 Correct 4 ms 5980 KB Output is correct
6 Correct 4 ms 5980 KB Output is correct
7 Correct 4 ms 5980 KB Output is correct
8 Correct 5 ms 5980 KB Output is correct
9 Correct 55 ms 6232 KB Output is correct
10 Correct 66 ms 5980 KB Output is correct
11 Correct 56 ms 5980 KB Output is correct
12 Correct 76 ms 5976 KB Output is correct
13 Correct 99 ms 6176 KB Output is correct
14 Correct 87 ms 6180 KB Output is correct
15 Correct 26 ms 5980 KB Output is correct
16 Runtime error 7 ms 12124 KB Execution killed with signal 11
17 Halted 0 ms 0 KB -