#include <bits/stdc++.h>
using namespace std;
#define int long long
vector<int> adj[30001];
vector<int> readj[30001];
int mini[30001];
int maxi[30001];
int K,N;
void init(int32_t n, int32_t k) {
N=n;K=k;
for(int i=0;i<k-1;i++) { adj[i].emplace_back(i + 1); readj[i+1].emplace_back(i);}
for(int i=0;i<k;i++)mini[i]=i;
for(int i=0;i<k;i++)maxi[i]=i;
for(int i=k;i<n;i++)mini[i]=k;
for(int i=k;i<n;i++)maxi[i]=-1;
}
bool ans;
void dfs(int x,int val){
if(maxi[x]>=val or x<K)return;
maxi[x] = val;
if(maxi[x]>=mini[x])ans=true;
for(int&i:adj[x])dfs(i,val);
}
void redfs(int x,int val){
if(mini[x]<=val or x<K)return;
mini[x] = val;
if(maxi[x]>=mini[x])ans=true;
for(int&i:readj[x])redfs(i,val);
}
int32_t add_teleporter(int32_t u, int32_t v) {
if(u==v)return u<K;
if(u<K and v<K){
return v<=u;
}
adj[u].emplace_back(v);
readj[v].emplace_back(u);
dfs(v,maxi[u]);
redfs(u,mini[v]);
return ans;
}
//namespace {
//
// int32_t read_int() {
// int32_t x;
// if (scanf("%d", &x) != 1) {
// fprintf(stderr, "Error while reading input\n");
// exit(1);
// }
// return x;
// }
//
//} // namespace
//
//int32_t main() {
// int32_t N = read_int();
// int32_t M = read_int();
// int32_t K = read_int();
// std::vector<int32_t> u(M), v(M);
// for (int32_t i = 0; i < M; ++i) {
// u[i] = read_int();
// v[i] = read_int();
// }
//
// init(N, K);
// int32_t i;
// for (i = 0; i < M; ++i) {
// int32_t answer = add_teleporter(u[i], v[i]);
// if (answer != 0 && answer != 1) {
// i = -1;
// break;
// } else if (answer == 1) {
// break;
// }
// }
// printf("%d\n", i);
// return 0;
//}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1624 KB |
Output is correct |
2 |
Correct |
1 ms |
1624 KB |
Output is correct |
3 |
Correct |
1 ms |
1624 KB |
Output is correct |
4 |
Correct |
1 ms |
1876 KB |
Output is correct |
5 |
Correct |
1 ms |
1624 KB |
Output is correct |
6 |
Correct |
1 ms |
1808 KB |
Output is correct |
7 |
Correct |
1 ms |
1624 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1624 KB |
Output is correct |
2 |
Correct |
1 ms |
1624 KB |
Output is correct |
3 |
Correct |
1 ms |
1624 KB |
Output is correct |
4 |
Correct |
1 ms |
1876 KB |
Output is correct |
5 |
Correct |
1 ms |
1624 KB |
Output is correct |
6 |
Correct |
1 ms |
1808 KB |
Output is correct |
7 |
Correct |
1 ms |
1624 KB |
Output is correct |
8 |
Correct |
5 ms |
1828 KB |
Output is correct |
9 |
Correct |
2 ms |
1624 KB |
Output is correct |
10 |
Correct |
1 ms |
1624 KB |
Output is correct |
11 |
Correct |
1 ms |
1780 KB |
Output is correct |
12 |
Correct |
1 ms |
1624 KB |
Output is correct |
13 |
Correct |
1 ms |
1624 KB |
Output is correct |
14 |
Correct |
1 ms |
1624 KB |
Output is correct |
15 |
Correct |
2 ms |
1880 KB |
Output is correct |
16 |
Correct |
2 ms |
1624 KB |
Output is correct |
17 |
Correct |
1 ms |
1624 KB |
Output is correct |
18 |
Correct |
1 ms |
1624 KB |
Output is correct |
19 |
Correct |
1 ms |
1620 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1624 KB |
Output is correct |
2 |
Correct |
1 ms |
1624 KB |
Output is correct |
3 |
Correct |
1 ms |
1624 KB |
Output is correct |
4 |
Correct |
1 ms |
1876 KB |
Output is correct |
5 |
Correct |
1 ms |
1624 KB |
Output is correct |
6 |
Correct |
1 ms |
1808 KB |
Output is correct |
7 |
Correct |
1 ms |
1624 KB |
Output is correct |
8 |
Correct |
5 ms |
1828 KB |
Output is correct |
9 |
Correct |
2 ms |
1624 KB |
Output is correct |
10 |
Correct |
1 ms |
1624 KB |
Output is correct |
11 |
Correct |
1 ms |
1780 KB |
Output is correct |
12 |
Correct |
1 ms |
1624 KB |
Output is correct |
13 |
Correct |
1 ms |
1624 KB |
Output is correct |
14 |
Correct |
1 ms |
1624 KB |
Output is correct |
15 |
Correct |
2 ms |
1880 KB |
Output is correct |
16 |
Correct |
2 ms |
1624 KB |
Output is correct |
17 |
Correct |
1 ms |
1624 KB |
Output is correct |
18 |
Correct |
1 ms |
1624 KB |
Output is correct |
19 |
Correct |
1 ms |
1620 KB |
Output is correct |
20 |
Correct |
2 ms |
1880 KB |
Output is correct |
21 |
Correct |
1 ms |
1624 KB |
Output is correct |
22 |
Correct |
2 ms |
1880 KB |
Output is correct |
23 |
Correct |
1 ms |
1888 KB |
Output is correct |
24 |
Correct |
4 ms |
1880 KB |
Output is correct |
25 |
Correct |
3 ms |
2136 KB |
Output is correct |
26 |
Correct |
2 ms |
1880 KB |
Output is correct |
27 |
Correct |
2 ms |
2136 KB |
Output is correct |
28 |
Correct |
2 ms |
1880 KB |
Output is correct |
29 |
Correct |
2 ms |
2136 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1624 KB |
Output is correct |
2 |
Correct |
1 ms |
1624 KB |
Output is correct |
3 |
Correct |
1 ms |
1624 KB |
Output is correct |
4 |
Correct |
1 ms |
1876 KB |
Output is correct |
5 |
Correct |
1 ms |
1624 KB |
Output is correct |
6 |
Correct |
1 ms |
1808 KB |
Output is correct |
7 |
Correct |
1 ms |
1624 KB |
Output is correct |
8 |
Correct |
5 ms |
1828 KB |
Output is correct |
9 |
Correct |
2 ms |
1624 KB |
Output is correct |
10 |
Correct |
1 ms |
1624 KB |
Output is correct |
11 |
Correct |
1 ms |
1780 KB |
Output is correct |
12 |
Correct |
1 ms |
1624 KB |
Output is correct |
13 |
Correct |
1 ms |
1624 KB |
Output is correct |
14 |
Correct |
1 ms |
1624 KB |
Output is correct |
15 |
Correct |
2 ms |
1880 KB |
Output is correct |
16 |
Correct |
2 ms |
1624 KB |
Output is correct |
17 |
Correct |
1 ms |
1624 KB |
Output is correct |
18 |
Correct |
1 ms |
1624 KB |
Output is correct |
19 |
Correct |
1 ms |
1620 KB |
Output is correct |
20 |
Correct |
2 ms |
1880 KB |
Output is correct |
21 |
Correct |
1 ms |
1624 KB |
Output is correct |
22 |
Correct |
2 ms |
1880 KB |
Output is correct |
23 |
Correct |
1 ms |
1888 KB |
Output is correct |
24 |
Correct |
4 ms |
1880 KB |
Output is correct |
25 |
Correct |
3 ms |
2136 KB |
Output is correct |
26 |
Correct |
2 ms |
1880 KB |
Output is correct |
27 |
Correct |
2 ms |
2136 KB |
Output is correct |
28 |
Correct |
2 ms |
1880 KB |
Output is correct |
29 |
Correct |
2 ms |
2136 KB |
Output is correct |
30 |
Correct |
18 ms |
3928 KB |
Output is correct |
31 |
Correct |
6 ms |
3160 KB |
Output is correct |
32 |
Correct |
22 ms |
4956 KB |
Output is correct |
33 |
Correct |
16 ms |
4696 KB |
Output is correct |
34 |
Correct |
964 ms |
6192 KB |
Output is correct |
35 |
Correct |
324 ms |
5200 KB |
Output is correct |
36 |
Correct |
27 ms |
4696 KB |
Output is correct |
37 |
Correct |
32 ms |
4724 KB |
Output is correct |
38 |
Correct |
27 ms |
4168 KB |
Output is correct |
39 |
Correct |
33 ms |
4840 KB |
Output is correct |
40 |
Correct |
784 ms |
6388 KB |
Output is correct |
41 |
Correct |
154 ms |
5244 KB |
Output is correct |
42 |
Correct |
97 ms |
4608 KB |
Output is correct |
43 |
Correct |
46 ms |
6816 KB |
Output is correct |
44 |
Correct |
688 ms |
6240 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1624 KB |
Output is correct |
2 |
Correct |
1 ms |
1624 KB |
Output is correct |
3 |
Correct |
1 ms |
1624 KB |
Output is correct |
4 |
Correct |
1 ms |
1876 KB |
Output is correct |
5 |
Correct |
1 ms |
1624 KB |
Output is correct |
6 |
Correct |
1 ms |
1808 KB |
Output is correct |
7 |
Correct |
1 ms |
1624 KB |
Output is correct |
8 |
Correct |
5 ms |
1828 KB |
Output is correct |
9 |
Correct |
2 ms |
1624 KB |
Output is correct |
10 |
Correct |
1 ms |
1624 KB |
Output is correct |
11 |
Correct |
1 ms |
1780 KB |
Output is correct |
12 |
Correct |
1 ms |
1624 KB |
Output is correct |
13 |
Correct |
1 ms |
1624 KB |
Output is correct |
14 |
Correct |
1 ms |
1624 KB |
Output is correct |
15 |
Correct |
2 ms |
1880 KB |
Output is correct |
16 |
Correct |
2 ms |
1624 KB |
Output is correct |
17 |
Correct |
1 ms |
1624 KB |
Output is correct |
18 |
Correct |
1 ms |
1624 KB |
Output is correct |
19 |
Correct |
1 ms |
1620 KB |
Output is correct |
20 |
Correct |
2 ms |
1880 KB |
Output is correct |
21 |
Correct |
1 ms |
1624 KB |
Output is correct |
22 |
Correct |
2 ms |
1880 KB |
Output is correct |
23 |
Correct |
1 ms |
1888 KB |
Output is correct |
24 |
Correct |
4 ms |
1880 KB |
Output is correct |
25 |
Correct |
3 ms |
2136 KB |
Output is correct |
26 |
Correct |
2 ms |
1880 KB |
Output is correct |
27 |
Correct |
2 ms |
2136 KB |
Output is correct |
28 |
Correct |
2 ms |
1880 KB |
Output is correct |
29 |
Correct |
2 ms |
2136 KB |
Output is correct |
30 |
Correct |
18 ms |
3928 KB |
Output is correct |
31 |
Correct |
6 ms |
3160 KB |
Output is correct |
32 |
Correct |
22 ms |
4956 KB |
Output is correct |
33 |
Correct |
16 ms |
4696 KB |
Output is correct |
34 |
Correct |
964 ms |
6192 KB |
Output is correct |
35 |
Correct |
324 ms |
5200 KB |
Output is correct |
36 |
Correct |
27 ms |
4696 KB |
Output is correct |
37 |
Correct |
32 ms |
4724 KB |
Output is correct |
38 |
Correct |
27 ms |
4168 KB |
Output is correct |
39 |
Correct |
33 ms |
4840 KB |
Output is correct |
40 |
Correct |
784 ms |
6388 KB |
Output is correct |
41 |
Correct |
154 ms |
5244 KB |
Output is correct |
42 |
Correct |
97 ms |
4608 KB |
Output is correct |
43 |
Correct |
46 ms |
6816 KB |
Output is correct |
44 |
Correct |
688 ms |
6240 KB |
Output is correct |
45 |
Runtime error |
2 ms |
3672 KB |
Execution killed with signal 11 |
46 |
Halted |
0 ms |
0 KB |
- |