oj.uz

Submission #320322

# Submission time Handle Problem Language Result Execution time Memory
320322 2020-11-08T10:00:00 Z nickmet2004 Stations (IOI20_stations) C++14
100 / 100
 1020 ms 1376 KB 
#include<bits/stdc++.h>
#include "stations.h"
using namespace std;
vector<int> adj[1005];
int dtime;
/// in-stvis unda vicode out-ebi , out-stvis in-ebi
void dfs(int u , int h , vector<int> &R ,int p ){
    if(!h) R[u]= dtime++;
    for(int v : adj[u])if(v != p)dfs(v ,h^1 , R , u);
    if(h) R[u] = dtime++;
}
vector<int> label(int n , int k ,vector<int> u , vector<int> v){
    for(int i = 0; i < n; ++i) adj[i].clear();
    for(int i = 0; i < n-1; ++i) adj[u[i]].emplace_back(v[i]) , adj[v[i]].emplace_back(u[i]);
    vector<int> R(n);
    dtime =0;
    dfs(0 , 0 , R ,-1);
    return R;
}
/// (in1 , out1) in = out0 + 1
/// (in0 , out0) out0 = in1 - 1;
int find_next_station(int s , int t , vector<int> c){
    /// s-in
    if(s < c[0]){
        int cur = s;
        for(int x: c){
            if(cur < t && t <= x) return x;
            cur = x;
        }
        return c.back(); /// parent
    } else {
        /// s out
        for(int i = 0; i < c.size(); ++i){
            if(i == c.size() - 1) {if(c[i] <= t && t <= s) return c[i]; continue;}
            if(c[i] <= t && t < c[i + 1]) return c[i];
        }
        /// parent
        return c[0];
    }
}
/*
int main (){
    cin >> n;
    for(int i =1; i < n; ++i){
        int u , v; cin >> u>> v;
        adj[u].emplace_back(v); adj[v].emplace_back(u);
    }
    vector<int> k = label(n , 1 , {3} , {3});
    cout << find_next_station(1 , 3 , {3 , 2 ,0}) << endl;
}
*/
//int main (){}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:33:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for(int i = 0; i < c.size(); ++i){
      |                        ~~^~~~~~~~~~
stations.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             if(i == c.size() - 1) {if(c[i] <= t && t <= s) return c[i]; continue;}
      |                ~~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 549 ms 1292 KB Output is correct
2 Correct 439 ms 1248 KB Output is correct
3 Correct 905 ms 864 KB Output is correct
4 Correct 692 ms 864 KB Output is correct
5 Correct 634 ms 1100 KB Output is correct
6 Correct 457 ms 1080 KB Output is correct
7 Correct 439 ms 1232 KB Output is correct
8 Correct 3 ms 988 KB Output is correct
9 Correct 6 ms 736 KB Output is correct
10 Correct 1 ms 864 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 487 ms 896 KB Output is correct
2 Correct 639 ms 904 KB Output is correct
3 Correct 895 ms 952 KB Output is correct
4 Correct 700 ms 952 KB Output is correct
5 Correct 656 ms 948 KB Output is correct
6 Correct 532 ms 1160 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 564 ms 1072 KB Output is correct
2 Correct 475 ms 1072 KB Output is correct
3 Correct 865 ms 864 KB Output is correct
4 Correct 637 ms 736 KB Output is correct
5 Correct 561 ms 1076 KB Output is correct
6 Correct 445 ms 864 KB Output is correct
7 Correct 451 ms 1376 KB Output is correct
8 Correct 3 ms 952 KB Output is correct
9 Correct 5 ms 736 KB Output is correct
10 Correct 2 ms 736 KB Output is correct
11 Correct 587 ms 864 KB Output is correct
12 Correct 490 ms 1192 KB Output is correct
13 Correct 445 ms 1076 KB Output is correct
14 Correct 453 ms 864 KB Output is correct
15 Correct 60 ms 948 KB Output is correct
16 Correct 57 ms 736 KB Output is correct
17 Correct 112 ms 884 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1011 ms 1024 KB Output is correct
2 Correct 771 ms 864 KB Output is correct
3 Correct 621 ms 948 KB Output is correct
4 Correct 3 ms 952 KB Output is correct
5 Correct 5 ms 736 KB Output is correct
6 Correct 2 ms 736 KB Output is correct
7 Correct 647 ms 736 KB Output is correct
8 Correct 978 ms 896 KB Output is correct
9 Correct 816 ms 952 KB Output is correct
10 Correct 631 ms 864 KB Output is correct
11 Correct 6 ms 948 KB Output is correct
12 Correct 5 ms 768 KB Output is correct
13 Correct 5 ms 776 KB Output is correct
14 Correct 4 ms 736 KB Output is correct
15 Correct 2 ms 960 KB Output is correct
16 Correct 519 ms 952 KB Output is correct
17 Correct 544 ms 864 KB Output is correct
18 Correct 634 ms 864 KB Output is correct
19 Correct 504 ms 864 KB Output is correct
20 Correct 639 ms 864 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 619 ms 1188 KB Output is correct
2 Correct 528 ms 992 KB Output is correct
3 Correct 875 ms 1008 KB Output is correct
4 Correct 645 ms 952 KB Output is correct
5 Correct 623 ms 864 KB Output is correct
6 Correct 493 ms 864 KB Output is correct
7 Correct 587 ms 992 KB Output is correct
8 Correct 3 ms 736 KB Output is correct
9 Correct 5 ms 864 KB Output is correct
10 Correct 2 ms 948 KB Output is correct
11 Correct 498 ms 864 KB Output is correct
12 Correct 570 ms 1164 KB Output is correct
13 Correct 1020 ms 864 KB Output is correct
14 Correct 887 ms 1104 KB Output is correct
15 Correct 553 ms 864 KB Output is correct
16 Correct 529 ms 860 KB Output is correct
17 Correct 731 ms 864 KB Output is correct
18 Correct 568 ms 1000 KB Output is correct
19 Correct 475 ms 864 KB Output is correct
20 Correct 529 ms 736 KB Output is correct
21 Correct 54 ms 736 KB Output is correct
22 Correct 68 ms 864 KB Output is correct
23 Correct 120 ms 904 KB Output is correct
24 Correct 6 ms 736 KB Output is correct
25 Correct 8 ms 864 KB Output is correct
26 Correct 7 ms 944 KB Output is correct
27 Correct 5 ms 736 KB Output is correct
28 Correct 2 ms 864 KB Output is correct
29 Correct 669 ms 864 KB Output is correct
30 Correct 541 ms 864 KB Output is correct
31 Correct 664 ms 864 KB Output is correct
32 Correct 514 ms 992 KB Output is correct
33 Correct 630 ms 876 KB Output is correct
34 Correct 413 ms 992 KB Output is correct
35 Correct 486 ms 1004 KB Output is correct
36 Correct 484 ms 1204 KB Output is correct
37 Correct 442 ms 1012 KB Output is correct
38 Correct 505 ms 988 KB Output is correct
39 Correct 516 ms 940 KB Output is correct
40 Correct 527 ms 1132 KB Output is correct
41 Correct 499 ms 1084 KB Output is correct
42 Correct 60 ms 864 KB Output is correct
43 Correct 139 ms 864 KB Output is correct
44 Correct 163 ms 864 KB Output is correct
45 Correct 157 ms 736 KB Output is correct
46 Correct 322 ms 864 KB Output is correct
47 Correct 334 ms 1112 KB Output is correct
48 Correct 55 ms 1100 KB Output is correct
49 Correct 56 ms 992 KB Output is correct