#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll maxn = 1e5 + 10;
const ll maxl = 20;
ll T[maxn], fen[maxn], L[maxn], R[maxn], C[maxn], p[maxn];
ll dp[maxn*maxl];
vector<pair<ll,ll>> g[maxn*maxl];
ll newll;
void dijkstra(ll v){
memset(dp, -1, sizeof dp);
set<pair<ll,ll>> s;
dp[v] = 0;
s.insert({dp[v], v});
while (!s.empty()){
v = (*s.begin()).second;
s.erase(s.begin());
for (auto [u, w] : g[v]){
if (dp[u] == -1 or dp[u] > dp[v] + w){
s.erase({dp[u],u});
dp[u] = dp[v] + w;
s.insert({dp[u],u});
}
}
}
}
void add(ll idx, ll val){
for (; idx < maxn; idx += idx & -idx){
ll then = newll ++;
if (fen[idx] != 0)
g[then].push_back({fen[idx],0});
fen[idx] = then;
g[then].push_back({val,C[val]});
}
}
void get(ll idx, ll val){
for (; idx; idx -= idx & -idx)
if (fen[idx] != 0)
g[val].push_back({fen[idx],0});
}
int main(){
ios_base::sync_with_stdio(false);
ll n, m;
cin >> n >> m;
for (ll i = 1; i <= m; i++)
cin >> T[i] >> L[i] >> R[i] >> C[i];
for (ll i = 1; i <= m; i++)
p[i] = i;
sort(p+1, p+m+1, [](ll a, ll b){ return T[a] < T[b];});
newll = m+3;
for (ll iit = 1; iit <= m; iit++){
ll i = p[iit];
if (L[i] == 1)
g[0].push_back({i,C[i]});
if (R[i] == n)
g[i].push_back({m+1, 0});
}
vector<pair<ll,ll>> event;
for (ll iit = 1; iit <= m; iit++){
ll i = p[iit];
event.push_back({L[i]-T[i], -iit});
event.push_back({R[i]-T[i]+1, +iit});
}
sort(event.begin(), event.end());
for (auto [chert,iit] : event){
if (iit < 0)
add(-iit, p[-iit]);
else
get(iit, p[iit]);
}
event.clear();
memset(fen, 0, sizeof fen);
reverse(p+1, p+m+1);
for (ll iit = 1; iit <= m; iit++){
ll i = p[iit];
event.push_back({L[i]+T[i], -iit});
event.push_back({R[i]+T[i]+1, +iit});
}
sort(event.begin(), event.end());
for (auto [chert,iit] : event){
if (iit < 0)
add(-iit, p[-iit]);
else
get(iit, p[iit]);
}
dijkstra(0);
cout << dp[m+1] << endl;
}
Compilation message
treatment.cpp: In function 'void dijkstra(ll)':
treatment.cpp:20:13: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
for (auto [u, w] : g[v]){
^
treatment.cpp: In function 'int main()':
treatment.cpp:70:12: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
for (auto [chert,iit] : event){
^
treatment.cpp:70:22: warning: unused variable 'chert' [-Wunused-variable]
for (auto [chert,iit] : event){
^
treatment.cpp:85:12: warning: decomposition declaration only available with -std=c++1z or -std=gnu++1z
for (auto [chert,iit] : event){
^
treatment.cpp:85:22: warning: unused variable 'chert' [-Wunused-variable]
for (auto [chert,iit] : event){
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1128 ms |
188772 KB |
Output is correct |
2 |
Correct |
746 ms |
190944 KB |
Output is correct |
3 |
Correct |
1407 ms |
196576 KB |
Output is correct |
4 |
Correct |
1333 ms |
196432 KB |
Output is correct |
5 |
Correct |
1303 ms |
195340 KB |
Output is correct |
6 |
Correct |
1127 ms |
187784 KB |
Output is correct |
7 |
Correct |
870 ms |
185060 KB |
Output is correct |
8 |
Correct |
479 ms |
188380 KB |
Output is correct |
9 |
Correct |
461 ms |
186264 KB |
Output is correct |
10 |
Correct |
456 ms |
184112 KB |
Output is correct |
11 |
Correct |
1674 ms |
200540 KB |
Output is correct |
12 |
Correct |
1758 ms |
200416 KB |
Output is correct |
13 |
Correct |
1608 ms |
195252 KB |
Output is correct |
14 |
Correct |
1616 ms |
195296 KB |
Output is correct |
15 |
Correct |
1238 ms |
190892 KB |
Output is correct |
16 |
Correct |
1203 ms |
190820 KB |
Output is correct |
17 |
Correct |
1356 ms |
190052 KB |
Output is correct |
18 |
Correct |
1723 ms |
202844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
63736 KB |
Output is correct |
2 |
Correct |
46 ms |
63776 KB |
Output is correct |
3 |
Correct |
45 ms |
63736 KB |
Output is correct |
4 |
Correct |
46 ms |
63736 KB |
Output is correct |
5 |
Correct |
45 ms |
63736 KB |
Output is correct |
6 |
Correct |
44 ms |
63736 KB |
Output is correct |
7 |
Correct |
47 ms |
63736 KB |
Output is correct |
8 |
Correct |
44 ms |
63736 KB |
Output is correct |
9 |
Correct |
50 ms |
63736 KB |
Output is correct |
10 |
Correct |
47 ms |
63868 KB |
Output is correct |
11 |
Correct |
44 ms |
63736 KB |
Output is correct |
12 |
Correct |
53 ms |
63736 KB |
Output is correct |
13 |
Correct |
45 ms |
63736 KB |
Output is correct |
14 |
Correct |
46 ms |
63736 KB |
Output is correct |
15 |
Correct |
45 ms |
63736 KB |
Output is correct |
16 |
Correct |
46 ms |
63744 KB |
Output is correct |
17 |
Correct |
45 ms |
63736 KB |
Output is correct |
18 |
Correct |
45 ms |
63776 KB |
Output is correct |
19 |
Correct |
45 ms |
63744 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
63736 KB |
Output is correct |
2 |
Correct |
46 ms |
63776 KB |
Output is correct |
3 |
Correct |
45 ms |
63736 KB |
Output is correct |
4 |
Correct |
46 ms |
63736 KB |
Output is correct |
5 |
Correct |
45 ms |
63736 KB |
Output is correct |
6 |
Correct |
44 ms |
63736 KB |
Output is correct |
7 |
Correct |
47 ms |
63736 KB |
Output is correct |
8 |
Correct |
44 ms |
63736 KB |
Output is correct |
9 |
Correct |
50 ms |
63736 KB |
Output is correct |
10 |
Correct |
47 ms |
63868 KB |
Output is correct |
11 |
Correct |
44 ms |
63736 KB |
Output is correct |
12 |
Correct |
53 ms |
63736 KB |
Output is correct |
13 |
Correct |
45 ms |
63736 KB |
Output is correct |
14 |
Correct |
46 ms |
63736 KB |
Output is correct |
15 |
Correct |
45 ms |
63736 KB |
Output is correct |
16 |
Correct |
46 ms |
63744 KB |
Output is correct |
17 |
Correct |
45 ms |
63736 KB |
Output is correct |
18 |
Correct |
45 ms |
63776 KB |
Output is correct |
19 |
Correct |
45 ms |
63744 KB |
Output is correct |
20 |
Correct |
87 ms |
70900 KB |
Output is correct |
21 |
Correct |
84 ms |
70900 KB |
Output is correct |
22 |
Correct |
78 ms |
70136 KB |
Output is correct |
23 |
Correct |
73 ms |
70136 KB |
Output is correct |
24 |
Correct |
90 ms |
70900 KB |
Output is correct |
25 |
Correct |
91 ms |
70648 KB |
Output is correct |
26 |
Correct |
85 ms |
70520 KB |
Output is correct |
27 |
Correct |
80 ms |
70520 KB |
Output is correct |
28 |
Correct |
87 ms |
70896 KB |
Output is correct |
29 |
Correct |
83 ms |
70648 KB |
Output is correct |
30 |
Correct |
66 ms |
70520 KB |
Output is correct |
31 |
Correct |
68 ms |
70524 KB |
Output is correct |
32 |
Correct |
91 ms |
71028 KB |
Output is correct |
33 |
Correct |
94 ms |
71028 KB |
Output is correct |
34 |
Correct |
87 ms |
70776 KB |
Output is correct |
35 |
Correct |
96 ms |
71156 KB |
Output is correct |
36 |
Correct |
95 ms |
71156 KB |
Output is correct |
37 |
Correct |
89 ms |
70648 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1128 ms |
188772 KB |
Output is correct |
2 |
Correct |
746 ms |
190944 KB |
Output is correct |
3 |
Correct |
1407 ms |
196576 KB |
Output is correct |
4 |
Correct |
1333 ms |
196432 KB |
Output is correct |
5 |
Correct |
1303 ms |
195340 KB |
Output is correct |
6 |
Correct |
1127 ms |
187784 KB |
Output is correct |
7 |
Correct |
870 ms |
185060 KB |
Output is correct |
8 |
Correct |
479 ms |
188380 KB |
Output is correct |
9 |
Correct |
461 ms |
186264 KB |
Output is correct |
10 |
Correct |
456 ms |
184112 KB |
Output is correct |
11 |
Correct |
1674 ms |
200540 KB |
Output is correct |
12 |
Correct |
1758 ms |
200416 KB |
Output is correct |
13 |
Correct |
1608 ms |
195252 KB |
Output is correct |
14 |
Correct |
1616 ms |
195296 KB |
Output is correct |
15 |
Correct |
1238 ms |
190892 KB |
Output is correct |
16 |
Correct |
1203 ms |
190820 KB |
Output is correct |
17 |
Correct |
1356 ms |
190052 KB |
Output is correct |
18 |
Correct |
1723 ms |
202844 KB |
Output is correct |
19 |
Correct |
46 ms |
63736 KB |
Output is correct |
20 |
Correct |
46 ms |
63776 KB |
Output is correct |
21 |
Correct |
45 ms |
63736 KB |
Output is correct |
22 |
Correct |
46 ms |
63736 KB |
Output is correct |
23 |
Correct |
45 ms |
63736 KB |
Output is correct |
24 |
Correct |
44 ms |
63736 KB |
Output is correct |
25 |
Correct |
47 ms |
63736 KB |
Output is correct |
26 |
Correct |
44 ms |
63736 KB |
Output is correct |
27 |
Correct |
50 ms |
63736 KB |
Output is correct |
28 |
Correct |
47 ms |
63868 KB |
Output is correct |
29 |
Correct |
44 ms |
63736 KB |
Output is correct |
30 |
Correct |
53 ms |
63736 KB |
Output is correct |
31 |
Correct |
45 ms |
63736 KB |
Output is correct |
32 |
Correct |
46 ms |
63736 KB |
Output is correct |
33 |
Correct |
45 ms |
63736 KB |
Output is correct |
34 |
Correct |
46 ms |
63744 KB |
Output is correct |
35 |
Correct |
45 ms |
63736 KB |
Output is correct |
36 |
Correct |
45 ms |
63776 KB |
Output is correct |
37 |
Correct |
45 ms |
63744 KB |
Output is correct |
38 |
Correct |
87 ms |
70900 KB |
Output is correct |
39 |
Correct |
84 ms |
70900 KB |
Output is correct |
40 |
Correct |
78 ms |
70136 KB |
Output is correct |
41 |
Correct |
73 ms |
70136 KB |
Output is correct |
42 |
Correct |
90 ms |
70900 KB |
Output is correct |
43 |
Correct |
91 ms |
70648 KB |
Output is correct |
44 |
Correct |
85 ms |
70520 KB |
Output is correct |
45 |
Correct |
80 ms |
70520 KB |
Output is correct |
46 |
Correct |
87 ms |
70896 KB |
Output is correct |
47 |
Correct |
83 ms |
70648 KB |
Output is correct |
48 |
Correct |
66 ms |
70520 KB |
Output is correct |
49 |
Correct |
68 ms |
70524 KB |
Output is correct |
50 |
Correct |
91 ms |
71028 KB |
Output is correct |
51 |
Correct |
94 ms |
71028 KB |
Output is correct |
52 |
Correct |
87 ms |
70776 KB |
Output is correct |
53 |
Correct |
96 ms |
71156 KB |
Output is correct |
54 |
Correct |
95 ms |
71156 KB |
Output is correct |
55 |
Correct |
89 ms |
70648 KB |
Output is correct |
56 |
Correct |
1193 ms |
198016 KB |
Output is correct |
57 |
Correct |
1252 ms |
198368 KB |
Output is correct |
58 |
Correct |
1020 ms |
185184 KB |
Output is correct |
59 |
Correct |
1045 ms |
185556 KB |
Output is correct |
60 |
Correct |
967 ms |
170148 KB |
Output is correct |
61 |
Correct |
918 ms |
185232 KB |
Output is correct |
62 |
Correct |
1143 ms |
198112 KB |
Output is correct |
63 |
Correct |
548 ms |
161124 KB |
Output is correct |
64 |
Correct |
541 ms |
161120 KB |
Output is correct |
65 |
Correct |
1129 ms |
191200 KB |
Output is correct |
66 |
Correct |
747 ms |
170172 KB |
Output is correct |
67 |
Correct |
1649 ms |
190520 KB |
Output is correct |
68 |
Correct |
1365 ms |
188980 KB |
Output is correct |
69 |
Correct |
1158 ms |
189152 KB |
Output is correct |
70 |
Correct |
1563 ms |
191200 KB |
Output is correct |
71 |
Correct |
1355 ms |
189792 KB |
Output is correct |
72 |
Correct |
1119 ms |
189048 KB |
Output is correct |
73 |
Correct |
1489 ms |
191208 KB |
Output is correct |
74 |
Correct |
534 ms |
189664 KB |
Output is correct |
75 |
Correct |
521 ms |
188260 KB |
Output is correct |
76 |
Correct |
1826 ms |
200928 KB |
Output is correct |
77 |
Correct |
1902 ms |
201056 KB |
Output is correct |
78 |
Correct |
1826 ms |
195424 KB |
Output is correct |
79 |
Correct |
1528 ms |
190816 KB |
Output is correct |
80 |
Correct |
1282 ms |
191196 KB |
Output is correct |
81 |
Correct |
596 ms |
190432 KB |
Output is correct |
82 |
Correct |
1504 ms |
191072 KB |
Output is correct |
83 |
Correct |
1604 ms |
191204 KB |
Output is correct |
84 |
Correct |
1593 ms |
190048 KB |
Output is correct |
85 |
Correct |
964 ms |
190604 KB |
Output is correct |
86 |
Correct |
1030 ms |
190556 KB |
Output is correct |
87 |
Correct |
1132 ms |
190460 KB |
Output is correct |
88 |
Correct |
977 ms |
187744 KB |
Output is correct |
89 |
Correct |
1020 ms |
189536 KB |
Output is correct |
90 |
Correct |
1652 ms |
196968 KB |
Output is correct |
91 |
Correct |
1358 ms |
193572 KB |
Output is correct |
92 |
Correct |
1060 ms |
190540 KB |
Output is correct |
93 |
Correct |
1586 ms |
190720 KB |
Output is correct |
94 |
Correct |
1368 ms |
191460 KB |
Output is correct |
95 |
Correct |
1295 ms |
189152 KB |
Output is correct |
96 |
Correct |
1702 ms |
197212 KB |
Output is correct |
97 |
Correct |
1835 ms |
199132 KB |
Output is correct |
98 |
Correct |
1906 ms |
199220 KB |
Output is correct |
99 |
Correct |
2008 ms |
198876 KB |
Output is correct |
100 |
Correct |
1595 ms |
199656 KB |
Output is correct |
101 |
Correct |
1907 ms |
198804 KB |
Output is correct |
102 |
Correct |
1834 ms |
200656 KB |
Output is correct |
103 |
Correct |
1139 ms |
191504 KB |
Output is correct |