#include<bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(false);
#define fi first
#define se second
#define em emplace
#define eb emplace_back
#define mp make_pair
#define all(v) (v).begin(), (v).end()
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int inf = 1e9;
const ll INF = 1e18;
int n, m;
int t[100010];
int l[100010];
int r[100010];
int c[100010];
int main() {
fast;
cin >> n >> m;
for(int i=0; i<m; i++) {
cin >> t[i] >> l[i] >> r[i] >> c[i];
}
ll ans = INF;
for(int i=0; i<(1<<m); i++) {
vector<int> v;
vector<pii> I;
ll cost = 0;
for(int j=0; j<m; j++) {
if(i & (1<<j)) {
cost += c[j];
v.eb(j);
}
}
sort(all(v), [&] (int i, int j) {
return t[i] < t[j];
});
int T = 0;
for(auto j : v) {
vector<pii> J;
for(auto k : I) {
if(k.fi > 1) k.fi += t[j] - T;
if(k.se < n) k.se -= t[j] - T;
if(k.fi <= k.se) J.eb(k);
}
J.eb(l[j], r[j]);
sort(all(J));
I.clear();
for(auto k : J) {
if(I.size() && k.fi <= I.back().se + 1) I.back().se = max(I.back().se, k.se);
else I.eb(k);
}
T = t[j];
}
if(I == vector<pii> {mp(1, n)}) ans = min(ans, cost);
}
if(ans == INF) cout << -1;
else cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
46 ms |
3192 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
105 ms |
396 KB |
Output is correct |
3 |
Correct |
99 ms |
384 KB |
Output is correct |
4 |
Correct |
79 ms |
400 KB |
Output is correct |
5 |
Correct |
91 ms |
384 KB |
Output is correct |
6 |
Correct |
100 ms |
384 KB |
Output is correct |
7 |
Correct |
105 ms |
400 KB |
Output is correct |
8 |
Correct |
125 ms |
384 KB |
Output is correct |
9 |
Correct |
113 ms |
384 KB |
Output is correct |
10 |
Correct |
113 ms |
384 KB |
Output is correct |
11 |
Correct |
161 ms |
384 KB |
Output is correct |
12 |
Correct |
93 ms |
384 KB |
Output is correct |
13 |
Correct |
100 ms |
384 KB |
Output is correct |
14 |
Correct |
92 ms |
384 KB |
Output is correct |
15 |
Correct |
97 ms |
396 KB |
Output is correct |
16 |
Correct |
121 ms |
384 KB |
Output is correct |
17 |
Correct |
133 ms |
384 KB |
Output is correct |
18 |
Correct |
104 ms |
384 KB |
Output is correct |
19 |
Correct |
129 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
105 ms |
396 KB |
Output is correct |
3 |
Correct |
99 ms |
384 KB |
Output is correct |
4 |
Correct |
79 ms |
400 KB |
Output is correct |
5 |
Correct |
91 ms |
384 KB |
Output is correct |
6 |
Correct |
100 ms |
384 KB |
Output is correct |
7 |
Correct |
105 ms |
400 KB |
Output is correct |
8 |
Correct |
125 ms |
384 KB |
Output is correct |
9 |
Correct |
113 ms |
384 KB |
Output is correct |
10 |
Correct |
113 ms |
384 KB |
Output is correct |
11 |
Correct |
161 ms |
384 KB |
Output is correct |
12 |
Correct |
93 ms |
384 KB |
Output is correct |
13 |
Correct |
100 ms |
384 KB |
Output is correct |
14 |
Correct |
92 ms |
384 KB |
Output is correct |
15 |
Correct |
97 ms |
396 KB |
Output is correct |
16 |
Correct |
121 ms |
384 KB |
Output is correct |
17 |
Correct |
133 ms |
384 KB |
Output is correct |
18 |
Correct |
104 ms |
384 KB |
Output is correct |
19 |
Correct |
129 ms |
384 KB |
Output is correct |
20 |
Incorrect |
58 ms |
512 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
46 ms |
3192 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |