oj.uz

Submission #1100486

# Submission time Handle Problem Language Result Execution time Memory
1100486 2024-10-14T05:12:16 Z azberjibiou Toy Train (IOI17_train) C++17
100 / 100
 353 ms 2044 KB 
#include "train.h"
#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define pb push_back
#define lb lower_bound
#define gibon ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define pii pair<int, int>
#define pll pair<ll, ll>
typedef long long ll;
using namespace std;
const int mxN=5005;
const int mxM=2200005;
const int mxK=61;
const int MOD=1e9+7;
const ll INF=1e18;
int N, M;
vector <int> adj[mxN];
vector <int> radj[mxN];
int AB[mxN];
bool imp[mxN];
int cnt;
void input(){
    cin >> N >> M;
    for(int i=0;i<N;i++) cin >> AB[i];
    for(int i=0;i<N;i++) cin >> imp[i];
    for(int i=0;i<M;i++){
        int a, b;
        cin >> a >> b;
        adj[a].push_back(b);
        radj[b].push_back(a);
    }
}
void init(vector <int> a, vector<int> r, vector<int> u, vector<int> v){
    N=a.size(), M=u.size();
    for(int i=0;i<N;i++) AB[i]=a[i];
    for(int i=0;i<N;i++) imp[i]=r[i];
    for(int i=0;i<M;i++){
        int t1=u[i], t2=v[i];
        adj[t1].push_back(t2);
        radj[t2].push_back(t1);
    }
}
bool Chk[mxN];
bool bor[mxN];
int deg[mxN];
queue <int> que;
void solv_reachable(){
    for(int i=0;i<N;i++) deg[i]=adj[i].size(), Chk[i]=false;
    for(int i=0;i<N;i++) if(imp[i]) que.push(i), Chk[i]=true;
    while(que.size()){
        int now=que.front();
        que.pop();
        for(int x : radj[now]) if(!Chk[x]){
            if(AB[x]==1){
                Chk[x]=true;
                que.push(x);
            }
            else{
                deg[x]--;
                if(deg[x]==0){
                    Chk[x]=true;
                    que.push(x);
                }
            }
        }
    }
    for(int i=0;i<N;i++) bor[i]=(!Chk[i]);
}
void destroy_charge(){
    for(int i=0;i<N;i++) deg[i]=adj[i].size(), Chk[i]=false;
    for(int i=0;i<N;i++) if(bor[i]) que.push(i), Chk[i]=true;
    while(que.size()){
        int now=que.front();
        que.pop();
        for(int x : radj[now]) if(!Chk[x]){
            if(AB[x]==0){
                Chk[x]=true;
                que.push(x);
            }
            else{
                deg[x]--;
                if(deg[x]==0){
                    Chk[x]=true;
                    que.push(x);
                }
            }
        }
    }
    for(int i=0;i<N;i++) if(Chk[i]) imp[i]=false;
}
void solv(){
    int pcnt=0;
    for(int i=0;i<N;i++) if(imp[i]) pcnt++;
    while(true){
        solv_reachable();
        destroy_charge();
        int ncnt=0;
        for(int i=0;i<N;i++) if(imp[i]) ncnt++;
        if(pcnt==ncnt) break;
        pcnt=ncnt;
    }
}
std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
    init(a, r, u, v);
    solv();
    vector <int> res(N);
    for(int i=0;i<N;i++) res[i]=(bor[i] ? 0 : 1);
    return res;
}
/*
int main(){
    input();
    solv();
    for(int i=0;i<N;i++) cout << (bor[i] ? 0 : 1) << " ";
}
*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1364 KB Output is correct
2 Correct 5 ms 1528 KB Output is correct
3 Correct 4 ms 1364 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 4 ms 1364 KB Output is correct
6 Correct 4 ms 1400 KB Output is correct
7 Correct 4 ms 1364 KB Output is correct
8 Correct 4 ms 1384 KB Output is correct
9 Correct 4 ms 1364 KB Output is correct
10 Correct 4 ms 1108 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 760 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 760 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 760 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 760 KB Output is correct
18 Correct 1 ms 760 KB Output is correct
19 Correct 1 ms 852 KB Output is correct
20 Correct 1 ms 596 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 1984 KB Output is correct
2 Correct 79 ms 1876 KB Output is correct
3 Correct 115 ms 1964 KB Output is correct
4 Correct 6 ms 1876 KB Output is correct
5 Correct 6 ms 1720 KB Output is correct
6 Correct 6 ms 1876 KB Output is correct
7 Correct 6 ms 2044 KB Output is correct
8 Correct 6 ms 1876 KB Output is correct
9 Correct 5 ms 1876 KB Output is correct
10 Correct 6 ms 1876 KB Output is correct
11 Correct 5 ms 1620 KB Output is correct
12 Correct 6 ms 1620 KB Output is correct
13 Correct 7 ms 1876 KB Output is correct
14 Correct 6 ms 1744 KB Output is correct
15 Correct 7 ms 1876 KB Output is correct
16 Correct 6 ms 1876 KB Output is correct
17 Correct 6 ms 1876 KB Output is correct
18 Correct 174 ms 1504 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1620 KB Output is correct
2 Correct 7 ms 1620 KB Output is correct
3 Correct 7 ms 1876 KB Output is correct
4 Correct 7 ms 1712 KB Output is correct
5 Correct 7 ms 1844 KB Output is correct
6 Correct 7 ms 1772 KB Output is correct
7 Correct 7 ms 1876 KB Output is correct
8 Correct 6 ms 1876 KB Output is correct
9 Correct 6 ms 1732 KB Output is correct
10 Correct 6 ms 1876 KB Output is correct
11 Correct 7 ms 1876 KB Output is correct
12 Correct 6 ms 1876 KB Output is correct
13 Correct 6 ms 1876 KB Output is correct
14 Correct 6 ms 1620 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1876 KB Output is correct
2 Correct 7 ms 1876 KB Output is correct
3 Correct 6 ms 1876 KB Output is correct
4 Correct 7 ms 1620 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 4 ms 1108 KB Output is correct
7 Correct 4 ms 1364 KB Output is correct
8 Correct 4 ms 1576 KB Output is correct
9 Correct 4 ms 1368 KB Output is correct
10 Correct 2 ms 864 KB Output is correct
11 Correct 3 ms 1476 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1364 KB Output is correct
2 Correct 5 ms 1528 KB Output is correct
3 Correct 4 ms 1364 KB Output is correct
4 Correct 7 ms 1364 KB Output is correct
5 Correct 4 ms 1364 KB Output is correct
6 Correct 4 ms 1400 KB Output is correct
7 Correct 4 ms 1364 KB Output is correct
8 Correct 4 ms 1384 KB Output is correct
9 Correct 4 ms 1364 KB Output is correct
10 Correct 4 ms 1108 KB Output is correct
11 Correct 3 ms 1108 KB Output is correct
12 Correct 1 ms 760 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 760 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 596 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 596 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 1 ms 760 KB Output is correct
26 Correct 1 ms 596 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 760 KB Output is correct
29 Correct 1 ms 760 KB Output is correct
30 Correct 1 ms 852 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 53 ms 1984 KB Output is correct
33 Correct 79 ms 1876 KB Output is correct
34 Correct 115 ms 1964 KB Output is correct
35 Correct 6 ms 1876 KB Output is correct
36 Correct 6 ms 1720 KB Output is correct
37 Correct 6 ms 1876 KB Output is correct
38 Correct 6 ms 2044 KB Output is correct
39 Correct 6 ms 1876 KB Output is correct
40 Correct 5 ms 1876 KB Output is correct
41 Correct 6 ms 1876 KB Output is correct
42 Correct 5 ms 1620 KB Output is correct
43 Correct 6 ms 1620 KB Output is correct
44 Correct 7 ms 1876 KB Output is correct
45 Correct 6 ms 1744 KB Output is correct
46 Correct 7 ms 1876 KB Output is correct
47 Correct 6 ms 1876 KB Output is correct
48 Correct 6 ms 1876 KB Output is correct
49 Correct 174 ms 1504 KB Output is correct
50 Correct 5 ms 1620 KB Output is correct
51 Correct 7 ms 1620 KB Output is correct
52 Correct 7 ms 1876 KB Output is correct
53 Correct 7 ms 1712 KB Output is correct
54 Correct 7 ms 1844 KB Output is correct
55 Correct 7 ms 1772 KB Output is correct
56 Correct 7 ms 1876 KB Output is correct
57 Correct 6 ms 1876 KB Output is correct
58 Correct 6 ms 1732 KB Output is correct
59 Correct 6 ms 1876 KB Output is correct
60 Correct 7 ms 1876 KB Output is correct
61 Correct 6 ms 1876 KB Output is correct
62 Correct 6 ms 1876 KB Output is correct
63 Correct 6 ms 1620 KB Output is correct
64 Correct 6 ms 1876 KB Output is correct
65 Correct 7 ms 1876 KB Output is correct
66 Correct 6 ms 1876 KB Output is correct
67 Correct 7 ms 1620 KB Output is correct
68 Correct 1 ms 596 KB Output is correct
69 Correct 4 ms 1108 KB Output is correct
70 Correct 4 ms 1364 KB Output is correct
71 Correct 4 ms 1576 KB Output is correct
72 Correct 4 ms 1368 KB Output is correct
73 Correct 2 ms 864 KB Output is correct
74 Correct 3 ms 1476 KB Output is correct
75 Correct 69 ms 2040 KB Output is correct
76 Correct 92 ms 1888 KB Output is correct
77 Correct 127 ms 1876 KB Output is correct
78 Correct 140 ms 1968 KB Output is correct
79 Correct 128 ms 1876 KB Output is correct
80 Correct 7 ms 1876 KB Output is correct
81 Correct 7 ms 1856 KB Output is correct
82 Correct 6 ms 1888 KB Output is correct
83 Correct 7 ms 1876 KB Output is correct
84 Correct 7 ms 1876 KB Output is correct
85 Correct 6 ms 1876 KB Output is correct
86 Correct 6 ms 1876 KB Output is correct
87 Correct 7 ms 2044 KB Output is correct
88 Correct 11 ms 1876 KB Output is correct
89 Correct 6 ms 1876 KB Output is correct
90 Correct 11 ms 1876 KB Output is correct
91 Correct 10 ms 1876 KB Output is correct
92 Correct 17 ms 2040 KB Output is correct
93 Correct 16 ms 1876 KB Output is correct
94 Correct 17 ms 1936 KB Output is correct
95 Correct 20 ms 1944 KB Output is correct
96 Correct 42 ms 1620 KB Output is correct
97 Correct 226 ms 1876 KB Output is correct
98 Correct 353 ms 1876 KB Output is correct
99 Correct 350 ms 1876 KB Output is correct
100 Correct 168 ms 1364 KB Output is correct