oj.uz

Submission #955864

# Submission time Handle Problem Language Result Execution time Memory
955864 2024-03-31T15:44:29 Z VMaksimoski008 Pinball (JOI14_pinball) C++14
29 / 100
 98 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 3 ms 5980 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 7 ms 6072 KB Output is correct
4 Correct 4 ms 5976 KB Output is correct
5 Correct 5 ms 5976 KB Output is correct
6 Correct 4 ms 6168 KB Output is correct
7 Correct 5 ms 5980 KB Output is correct
8 Correct 5 ms 5976 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5980 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 7 ms 6072 KB Output is correct
4 Correct 4 ms 5976 KB Output is correct
5 Correct 5 ms 5976 KB Output is correct
6 Correct 4 ms 6168 KB Output is correct
7 Correct 5 ms 5980 KB Output is correct
8 Correct 5 ms 5976 KB Output is correct
9 Correct 53 ms 5976 KB Output is correct
10 Correct 56 ms 6164 KB Output is correct
11 Correct 59 ms 5976 KB Output is correct
12 Correct 75 ms 5980 KB Output is correct
13 Correct 98 ms 6176 KB Output is correct
14 Correct 84 ms 5980 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5980 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 7 ms 6072 KB Output is correct
4 Correct 4 ms 5976 KB Output is correct
5 Correct 5 ms 5976 KB Output is correct
6 Correct 4 ms 6168 KB Output is correct
7 Correct 5 ms 5980 KB Output is correct
8 Correct 5 ms 5976 KB Output is correct
9 Correct 53 ms 5976 KB Output is correct
10 Correct 56 ms 6164 KB Output is correct
11 Correct 59 ms 5976 KB Output is correct
12 Correct 75 ms 5980 KB Output is correct
13 Correct 98 ms 6176 KB Output is correct
14 Correct 84 ms 5980 KB Output is correct
15 Correct 26 ms 5980 KB Output is correct
16 Runtime error 6 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 3 ms 5980 KB Output is correct
2 Correct 4 ms 5980 KB Output is correct
3 Correct 7 ms 6072 KB Output is correct
4 Correct 4 ms 5976 KB Output is correct
5 Correct 5 ms 5976 KB Output is correct
6 Correct 4 ms 6168 KB Output is correct
7 Correct 5 ms 5980 KB Output is correct
8 Correct 5 ms 5976 KB Output is correct
9 Correct 53 ms 5976 KB Output is correct
10 Correct 56 ms 6164 KB Output is correct
11 Correct 59 ms 5976 KB Output is correct
12 Correct 75 ms 5980 KB Output is correct
13 Correct 98 ms 6176 KB Output is correct
14 Correct 84 ms 5980 KB Output is correct
15 Correct 26 ms 5980 KB Output is correct
16 Runtime error 6 ms 12124 KB Execution killed with signal 11
17 Halted 0 ms 0 KB -