oj.uz

Submission #1064075

# Submission time Handle Problem Language Result Execution time Memory
1064075 2024-08-18T09:01:45 Z new_acc Stations (IOI20_stations) C++14
15 / 100
 620 ms 820 KB 
#include "stations.h"
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef vector<int> vi;
const int N=1e3+10;
vi graf[N];
int val[N],li,kol[N];
void dfs(int v,int o){
    li++;
    if(!kol[v]) val[v]=li;
    for(auto u:graf[v]){
        if(u==o) continue;
        kol[u]=kol[v]^1;
        dfs(u,v);
    }
    li++;
    if(kol[v]) val[v]=li;
}
vi label(int n, int k, vi u,vi v) {
    for(int i=0;i<n;i++) graf[i].clear(),kol[i]=0,val[i]=0;
    li=0;
    for(int i=0;i<n-1;i++)
        graf[u[i]].push_back(v[i]),graf[v[i]].push_back(u[i]);
    dfs(0,0);
    vector<pair<int,int>> pom;
    for(int i=0;i<n;i++) pom.push_back({val[i],i});
    sort(pom.begin(),pom.end());
    vi labels(n);
    for(int i=0;i<n;i++) labels[pom[i].se]=i;
    return labels;
}

int find_next_station(int s,int t,vi c) {
    if(c.size()==1) return c[0];
    if(c[0]>s){
        // pre
        if(s==0){
            for(auto u:c){
                if(u>=t) return u;
            }
            return 0;
        }
        if(t>=s and t<=c[c.size()-2]){
            for(auto u:c){
                if(u>=t) return u;
            }
            return 0;
        }return c[c.size()-1];
    }else{
        if(t>c[0] and t<=s){
            int ost=0;
            for(int i=1;i<(int)c.size();i++){
                if(t>=c[i]) ost=c[i];
            }
            return ost;
        }else return c[0];
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 377 ms 684 KB Output is correct
2 Correct 300 ms 684 KB Output is correct
3 Correct 616 ms 684 KB Output is correct
4 Correct 401 ms 684 KB Output is correct
5 Correct 390 ms 684 KB Output is correct
6 Correct 316 ms 684 KB Output is correct
7 Correct 296 ms 684 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 1 ms 764 KB Output is correct
10 Correct 0 ms 776 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 321 ms 684 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 373 ms 684 KB Output is correct
2 Correct 306 ms 684 KB Output is correct
3 Correct 616 ms 684 KB Output is correct
4 Correct 446 ms 684 KB Output is correct
5 Correct 407 ms 684 KB Output is correct
6 Correct 297 ms 684 KB Output is correct
7 Correct 311 ms 684 KB Output is correct
8 Correct 1 ms 768 KB Output is correct
9 Correct 1 ms 768 KB Output is correct
10 Correct 0 ms 764 KB Output is correct
11 Correct 413 ms 820 KB Output is correct
12 Incorrect 320 ms 784 KB Wrong query response.
13 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 600 ms 684 KB Output is correct
2 Correct 432 ms 684 KB Output is correct
3 Correct 402 ms 684 KB Output is correct
4 Correct 1 ms 768 KB Output is correct
5 Correct 1 ms 772 KB Output is correct
6 Correct 1 ms 768 KB Output is correct
7 Correct 391 ms 684 KB Output is correct
8 Correct 620 ms 684 KB Output is correct
9 Correct 421 ms 684 KB Output is correct
10 Correct 383 ms 684 KB Output is correct
11 Correct 4 ms 768 KB Output is correct
12 Correct 3 ms 776 KB Output is correct
13 Correct 2 ms 768 KB Output is correct
14 Correct 2 ms 768 KB Output is correct
15 Correct 1 ms 768 KB Output is correct
16 Correct 336 ms 684 KB Output is correct
17 Correct 318 ms 684 KB Output is correct
18 Correct 297 ms 800 KB Output is correct
19 Correct 297 ms 684 KB Output is correct
20 Correct 300 ms 804 KB Output is correct

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 376 ms 684 KB Output is correct
2 Correct 309 ms 684 KB Output is correct
3 Correct 606 ms 684 KB Output is correct
4 Correct 415 ms 684 KB Output is correct
5 Correct 408 ms 684 KB Output is correct
6 Correct 309 ms 684 KB Output is correct
7 Correct 277 ms 684 KB Output is correct
8 Correct 1 ms 776 KB Output is correct
9 Correct 1 ms 768 KB Output is correct
10 Correct 0 ms 776 KB Output is correct
11 Incorrect 328 ms 688 KB Wrong query response.
12 Halted 0 ms 0 KB -