#define wiwihorz
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma loop-opt(on)
#define rep(i, a, b) for(int i = a; i <= b; i ++)
#define rrep(i, a, b) for(int i = b; i >= a; i --)
#define all(x) x.begin(), x.end()
#define ceil(a, b) ((a + b - 1) / (b))
#define INF 1000000000
using namespace std;
#define pii pair<int, int>
namespace solver {
const int P = 6000000;
const int K = 174;
int n, m, st, ed, ii;
vector<int> dis, s;
vector<pair<int, bool>> mp[P];
vector<int> a[K][K];
void init_(int _n, int _m) {
n = _n, m = _m, ii = n - 1;
s.clear();
dis.assign(P, INF);
}
void get_new() {
ii++;
if(ii >= P) while(1);
}
void add_node(int pos, int b) {
for(int i = pos % b; i < n; i += b) {
get_new();
if(i == pos) mp[i].push_back({ii, 0});
if(i != pos % b) {
mp[ii].push_back({ii - 1, 1});
mp[ii - 1].push_back({ii, 1});
}
mp[ii].push_back({i, 0});
}
}
int solve() {
rep(i, 1, K - 1) rep(j, 0, i - 1) {
if(!a[i][j].size()) continue;
sort(all(a[i][j]));
vector<int> &v = a[i][j];
int id = -1;
for(int k = j; k < n; k += i) {
get_new();
while(id + 1 < v.size() && v[id + 1] <= k) id ++;
if(id >= 0 && v[id] == k) mp[k].push_back({ii, 0});
if(k != j) {
mp[ii].push_back({ii - 1, 1});
mp[ii - 1].push_back({ii, 1});
}
mp[ii].push_back({k, 0});
}
}
dis[st] = 0;
deque<int> q;
q.push_back(st);
while(q.size()) {
int cur = q.front();
q.pop_front();
for(auto i : mp[cur]) if(dis[i.first] == INF) {
dis[i.first] = i.second + dis[cur];
if(i.second) q.push_back(i.first);
else q.push_front(i.first);
if(i.first == ed) return dis[ed];
}
}
return (dis[ed] == INF ? -1 : dis[ed]);
}
};
using namespace solver;
signed main() {
ios::sync_with_stdio(false), cin.tie(0);
int n, m, b, p;
cin >> n >> m;
init_(n, m);
rep(i, 0, m - 1) {
cin >> b >> p;
if(i == 0) st = b;
if(i == 1) ed = b;
if(p >= K) add_node(b, p);
else a[p][b % p].push_back(b);
}
cout << solve() << "\n";
return 0;
}
Compilation message
skyscraper.cpp:4: warning: ignoring '#pragma loop ' [-Wunknown-pragmas]
4 | #pragma loop-opt(on)
|
skyscraper.cpp: In function 'int solver::solve()':
skyscraper.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
49 | while(id + 1 < v.size() && v[id + 1] <= k) id ++;
| ~~~~~~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
91 ms |
165316 KB |
Output is correct |
2 |
Correct |
88 ms |
165308 KB |
Output is correct |
3 |
Correct |
90 ms |
165336 KB |
Output is correct |
4 |
Correct |
86 ms |
165316 KB |
Output is correct |
5 |
Correct |
87 ms |
165316 KB |
Output is correct |
6 |
Correct |
89 ms |
165316 KB |
Output is correct |
7 |
Correct |
94 ms |
165316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
90 ms |
165348 KB |
Output is correct |
2 |
Correct |
87 ms |
165316 KB |
Output is correct |
3 |
Correct |
87 ms |
165384 KB |
Output is correct |
4 |
Correct |
87 ms |
165396 KB |
Output is correct |
5 |
Correct |
91 ms |
165384 KB |
Output is correct |
6 |
Correct |
101 ms |
165320 KB |
Output is correct |
7 |
Correct |
87 ms |
165268 KB |
Output is correct |
8 |
Correct |
88 ms |
165376 KB |
Output is correct |
9 |
Correct |
89 ms |
165328 KB |
Output is correct |
10 |
Correct |
90 ms |
165420 KB |
Output is correct |
11 |
Correct |
89 ms |
165592 KB |
Output is correct |
12 |
Correct |
94 ms |
165372 KB |
Output is correct |
13 |
Correct |
87 ms |
165308 KB |
Output is correct |
14 |
Correct |
89 ms |
165704 KB |
Output is correct |
15 |
Correct |
103 ms |
165692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
88 ms |
165464 KB |
Output is correct |
2 |
Correct |
90 ms |
165300 KB |
Output is correct |
3 |
Correct |
89 ms |
165368 KB |
Output is correct |
4 |
Correct |
86 ms |
165392 KB |
Output is correct |
5 |
Correct |
85 ms |
165292 KB |
Output is correct |
6 |
Correct |
88 ms |
165320 KB |
Output is correct |
7 |
Correct |
87 ms |
165296 KB |
Output is correct |
8 |
Correct |
87 ms |
165444 KB |
Output is correct |
9 |
Correct |
97 ms |
165308 KB |
Output is correct |
10 |
Correct |
88 ms |
165480 KB |
Output is correct |
11 |
Correct |
91 ms |
165612 KB |
Output is correct |
12 |
Correct |
90 ms |
165384 KB |
Output is correct |
13 |
Correct |
87 ms |
165364 KB |
Output is correct |
14 |
Correct |
88 ms |
165672 KB |
Output is correct |
15 |
Correct |
89 ms |
165612 KB |
Output is correct |
16 |
Correct |
89 ms |
165560 KB |
Output is correct |
17 |
Correct |
91 ms |
165992 KB |
Output is correct |
18 |
Correct |
88 ms |
165708 KB |
Output is correct |
19 |
Correct |
88 ms |
165600 KB |
Output is correct |
20 |
Correct |
89 ms |
165464 KB |
Output is correct |
21 |
Correct |
89 ms |
165436 KB |
Output is correct |
22 |
Correct |
89 ms |
165660 KB |
Output is correct |
23 |
Correct |
92 ms |
165636 KB |
Output is correct |
24 |
Correct |
90 ms |
165948 KB |
Output is correct |
25 |
Correct |
103 ms |
165632 KB |
Output is correct |
26 |
Correct |
94 ms |
165708 KB |
Output is correct |
27 |
Correct |
90 ms |
165772 KB |
Output is correct |
28 |
Correct |
94 ms |
166432 KB |
Output is correct |
29 |
Correct |
126 ms |
168260 KB |
Output is correct |
30 |
Correct |
93 ms |
166132 KB |
Output is correct |
31 |
Correct |
94 ms |
166844 KB |
Output is correct |
32 |
Correct |
93 ms |
166484 KB |
Output is correct |
33 |
Correct |
131 ms |
170948 KB |
Output is correct |
34 |
Correct |
109 ms |
171000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
87 ms |
165324 KB |
Output is correct |
2 |
Correct |
92 ms |
165364 KB |
Output is correct |
3 |
Correct |
88 ms |
165264 KB |
Output is correct |
4 |
Correct |
88 ms |
165288 KB |
Output is correct |
5 |
Correct |
87 ms |
165348 KB |
Output is correct |
6 |
Correct |
88 ms |
165328 KB |
Output is correct |
7 |
Correct |
88 ms |
165328 KB |
Output is correct |
8 |
Correct |
88 ms |
165388 KB |
Output is correct |
9 |
Correct |
90 ms |
165348 KB |
Output is correct |
10 |
Correct |
88 ms |
165480 KB |
Output is correct |
11 |
Correct |
88 ms |
165572 KB |
Output is correct |
12 |
Correct |
91 ms |
165352 KB |
Output is correct |
13 |
Correct |
87 ms |
165316 KB |
Output is correct |
14 |
Correct |
89 ms |
165608 KB |
Output is correct |
15 |
Correct |
89 ms |
165700 KB |
Output is correct |
16 |
Correct |
95 ms |
165500 KB |
Output is correct |
17 |
Correct |
90 ms |
166044 KB |
Output is correct |
18 |
Correct |
97 ms |
165700 KB |
Output is correct |
19 |
Correct |
93 ms |
165528 KB |
Output is correct |
20 |
Correct |
88 ms |
165468 KB |
Output is correct |
21 |
Correct |
88 ms |
165436 KB |
Output is correct |
22 |
Correct |
90 ms |
165660 KB |
Output is correct |
23 |
Correct |
90 ms |
165804 KB |
Output is correct |
24 |
Correct |
93 ms |
165880 KB |
Output is correct |
25 |
Correct |
91 ms |
165700 KB |
Output is correct |
26 |
Correct |
110 ms |
165728 KB |
Output is correct |
27 |
Correct |
91 ms |
165612 KB |
Output is correct |
28 |
Correct |
93 ms |
166404 KB |
Output is correct |
29 |
Correct |
100 ms |
168200 KB |
Output is correct |
30 |
Correct |
95 ms |
166216 KB |
Output is correct |
31 |
Correct |
107 ms |
166896 KB |
Output is correct |
32 |
Correct |
92 ms |
166468 KB |
Output is correct |
33 |
Correct |
113 ms |
171068 KB |
Output is correct |
34 |
Correct |
111 ms |
170964 KB |
Output is correct |
35 |
Correct |
111 ms |
170052 KB |
Output is correct |
36 |
Correct |
97 ms |
166176 KB |
Output is correct |
37 |
Correct |
130 ms |
173392 KB |
Output is correct |
38 |
Correct |
122 ms |
172688 KB |
Output is correct |
39 |
Correct |
124 ms |
172604 KB |
Output is correct |
40 |
Correct |
118 ms |
172520 KB |
Output is correct |
41 |
Correct |
126 ms |
172608 KB |
Output is correct |
42 |
Correct |
97 ms |
165932 KB |
Output is correct |
43 |
Correct |
94 ms |
165828 KB |
Output is correct |
44 |
Correct |
97 ms |
165580 KB |
Output is correct |
45 |
Correct |
239 ms |
187924 KB |
Output is correct |
46 |
Correct |
231 ms |
188100 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
88 ms |
165388 KB |
Output is correct |
2 |
Correct |
91 ms |
165272 KB |
Output is correct |
3 |
Correct |
87 ms |
165300 KB |
Output is correct |
4 |
Correct |
88 ms |
165312 KB |
Output is correct |
5 |
Correct |
89 ms |
165328 KB |
Output is correct |
6 |
Correct |
90 ms |
165392 KB |
Output is correct |
7 |
Correct |
91 ms |
165348 KB |
Output is correct |
8 |
Correct |
102 ms |
165292 KB |
Output is correct |
9 |
Correct |
87 ms |
165328 KB |
Output is correct |
10 |
Correct |
89 ms |
165464 KB |
Output is correct |
11 |
Correct |
91 ms |
165572 KB |
Output is correct |
12 |
Correct |
91 ms |
165408 KB |
Output is correct |
13 |
Correct |
100 ms |
165316 KB |
Output is correct |
14 |
Correct |
88 ms |
165676 KB |
Output is correct |
15 |
Correct |
92 ms |
165620 KB |
Output is correct |
16 |
Correct |
103 ms |
165568 KB |
Output is correct |
17 |
Correct |
93 ms |
166048 KB |
Output is correct |
18 |
Correct |
90 ms |
165712 KB |
Output is correct |
19 |
Correct |
90 ms |
165564 KB |
Output is correct |
20 |
Correct |
94 ms |
165552 KB |
Output is correct |
21 |
Correct |
98 ms |
165512 KB |
Output is correct |
22 |
Correct |
88 ms |
165584 KB |
Output is correct |
23 |
Correct |
88 ms |
165704 KB |
Output is correct |
24 |
Correct |
91 ms |
165884 KB |
Output is correct |
25 |
Correct |
89 ms |
165736 KB |
Output is correct |
26 |
Correct |
95 ms |
165700 KB |
Output is correct |
27 |
Correct |
88 ms |
165652 KB |
Output is correct |
28 |
Correct |
91 ms |
166492 KB |
Output is correct |
29 |
Correct |
98 ms |
168240 KB |
Output is correct |
30 |
Correct |
90 ms |
166160 KB |
Output is correct |
31 |
Correct |
95 ms |
166852 KB |
Output is correct |
32 |
Correct |
103 ms |
166468 KB |
Output is correct |
33 |
Correct |
110 ms |
170964 KB |
Output is correct |
34 |
Correct |
108 ms |
171008 KB |
Output is correct |
35 |
Correct |
117 ms |
170052 KB |
Output is correct |
36 |
Correct |
104 ms |
166116 KB |
Output is correct |
37 |
Correct |
120 ms |
173296 KB |
Output is correct |
38 |
Correct |
123 ms |
172652 KB |
Output is correct |
39 |
Correct |
121 ms |
172640 KB |
Output is correct |
40 |
Correct |
119 ms |
172636 KB |
Output is correct |
41 |
Correct |
119 ms |
172732 KB |
Output is correct |
42 |
Correct |
95 ms |
165796 KB |
Output is correct |
43 |
Correct |
96 ms |
165752 KB |
Output is correct |
44 |
Correct |
97 ms |
165572 KB |
Output is correct |
45 |
Correct |
251 ms |
188084 KB |
Output is correct |
46 |
Correct |
210 ms |
187852 KB |
Output is correct |
47 |
Correct |
205 ms |
199904 KB |
Output is correct |
48 |
Correct |
130 ms |
176196 KB |
Output is correct |
49 |
Correct |
114 ms |
172076 KB |
Output is correct |
50 |
Correct |
128 ms |
172112 KB |
Output is correct |
51 |
Correct |
149 ms |
180072 KB |
Output is correct |
52 |
Correct |
187 ms |
181380 KB |
Output is correct |
53 |
Correct |
107 ms |
169708 KB |
Output is correct |
54 |
Correct |
95 ms |
166684 KB |
Output is correct |
55 |
Correct |
99 ms |
167948 KB |
Output is correct |
56 |
Correct |
106 ms |
167748 KB |
Output is correct |
57 |
Correct |
148 ms |
185736 KB |
Output is correct |
58 |
Correct |
107 ms |
168608 KB |
Output is correct |
59 |
Correct |
110 ms |
170044 KB |
Output is correct |
60 |
Correct |
113 ms |
171832 KB |
Output is correct |
61 |
Correct |
109 ms |
170496 KB |
Output is correct |
62 |
Correct |
183 ms |
188652 KB |
Output is correct |
63 |
Runtime error |
342 ms |
262148 KB |
Execution killed with signal 9 |
64 |
Halted |
0 ms |
0 KB |
- |