#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 dpL[1005], dpR[1005];
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();
}
ll ans = 1e18;
for(int i=1; i<=n; i++) dpL[i] = dpR[i] = 1e18;
auto check = [&](int i, int j) {
return v[i][0] <= v[j][2] && v[j][2] <= v[i][1];
};
for(int i=1; i<=n; i++) {
if(v[i][0] == 0) dpL[i] = v[i][3];
if(v[i][1] == comp.size()-1) dpR[i] = v[i][3];
for(int j=1; j<i; j++)
if(dpL[j] != 1e18 && check(i, j)) dpL[i] = min(dpL[i], dpL[j] + v[i][3]);
for(int j=1; j<i; j++)
if(dpR[j] != 1e18 && check(i, j)) dpR[i] = min(dpR[i], dpR[j] + v[i][3]);
ans = min(ans, dpL[i] + dpR[i] - v[i][3]);
}
cout << (ans == 1e18 ? -1 : ans) << '\n';
return 0;
}
Compilation message
pinball.cpp: In function 'int32_t main()':
pinball.cpp:55:20: warning: comparison of integer expressions of different signedness: 'std::array<int, 4>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
55 | if(v[i][1] == comp.size()-1) dpR[i] = v[i][3];
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
504 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
504 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
6 ms |
348 KB |
Output is correct |
| 18 |
Correct |
6 ms |
348 KB |
Output is correct |
| 19 |
Correct |
5 ms |
604 KB |
Output is correct |
| 20 |
Correct |
7 ms |
604 KB |
Output is correct |
| 21 |
Correct |
2 ms |
344 KB |
Output is correct |
| 22 |
Correct |
4 ms |
628 KB |
Output is correct |
| 23 |
Correct |
3 ms |
604 KB |
Output is correct |
| 24 |
Correct |
4 ms |
604 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
504 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
344 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
6 ms |
348 KB |
Output is correct |
| 18 |
Correct |
6 ms |
348 KB |
Output is correct |
| 19 |
Correct |
5 ms |
604 KB |
Output is correct |
| 20 |
Correct |
7 ms |
604 KB |
Output is correct |
| 21 |
Correct |
2 ms |
344 KB |
Output is correct |
| 22 |
Correct |
4 ms |
628 KB |
Output is correct |
| 23 |
Correct |
3 ms |
604 KB |
Output is correct |
| 24 |
Correct |
4 ms |
604 KB |
Output is correct |
| 25 |
Runtime error |
17 ms |
2908 KB |
Execution killed with signal 11 |
| 26 |
Halted |
0 ms |
0 KB |
- |
