oj.uz

Submission #911800

# Submission time Handle Problem Language Result Execution time Memory
911800 2024-01-19T05:25:40 Z Sir_Ahmed_Imran Parachute rings (IOI12_rings) C++17
37 / 100
 4000 ms 148824 KB 
                              ///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define ll long long 
#define append push_back
#define all(x) (x).begin(),(x).end()
#define pii pair<int,int>
#define MAXN 1000001
int n,x;
int e[MAXN];
int f[MAXN];
int par[MAXN];
int vis[MAXN];
vector<int> a[MAXN];
void dfs(int v,int u,vector<int>& vec){
    vis[v]=1;
    vec.append(v);
    for(auto& i:a[v])
        if(!vis[i])
            dfs(i,u,vec);
    if(vec.back()!=u) vec.pop_back();
}
int root(int v){
    if(par[v]==v) return v;
    par[v]=root(par[v]);
    return par[v];
}
void join(int v,int u){
    v=root(v);
    u=root(u);
    par[u]=v;
    f[v]+=f[u];
}
bool same(int v,int u){
    return (root(v)==root(u));
}
void Init(int u){
    n=x=u;
    for(int i=0;i<n;i++){
        par[i]=i; 
        e[i]=1;
    }
}
void Link(int v, int u){
    if(!x) return;
    if(!f[root(v)] && same(v,u)){
        vector<int> vec;
        for(int i=0;i<n;i++) vis[i]=0;
        dfs(v,u,vec);
        map<int,int> z;
        for(auto& i:vec) z[i]=1;
        for(int i=x=0;i<n;i++){
            if(!z[i]) e[i]=0;
            x+=e[i];
        }
    }
    a[v].append(u);
    a[u].append(v);
    join(v,u);
    if(a[v].size()>3){
        for(int i=0;i<n;i++)
            if(i!=v) e[i]=0;
        x=e[v];
    }
    if(a[u].size()>3){
        for(int i=0;i<n;i++)
            if(i!=u) e[i]=0;
        x=e[u];
    }
    if(a[v].size()==3){
        map<int,int> z;
        z[v]=1;
        for(auto& i:a[v]) z[i]=1;
        for(int i=x=0;i<n;i++){
            if(!z[i]) e[i]=0;
            x+=e[i];
        }
    }
    if(a[u].size()==3){
        map<int,int> z;
        z[u]=1;
        for(auto& i:a[u]) z[i]=1;
        for(int i=x=0;i<n;i++){
            if(!z[i]) e[i]=0;
            x+=e[i];
        }
    }
}
int CountCritical(){
    return x;;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31320 KB Output is correct
2 Correct 12 ms 31576 KB Output is correct
3 Correct 10 ms 31768 KB Output is correct
4 Correct 11 ms 31320 KB Output is correct
5 Correct 12 ms 31744 KB Output is correct
6 Correct 11 ms 31836 KB Output is correct
7 Correct 9 ms 31580 KB Output is correct
8 Correct 10 ms 31576 KB Output is correct
9 Correct 11 ms 31576 KB Output is correct
10 Correct 14 ms 31832 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 51788 KB Output is correct
2 Correct 804 ms 88112 KB Output is correct
3 Correct 518 ms 84964 KB Output is correct
4 Correct 1053 ms 117816 KB Output is correct
5 Correct 1026 ms 119280 KB Output is correct
6 Correct 1503 ms 148824 KB Output is correct
7 Correct 530 ms 85100 KB Output is correct
8 Correct 1285 ms 108796 KB Output is correct
9 Correct 1391 ms 115520 KB Output is correct
10 Correct 886 ms 116340 KB Output is correct

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31320 KB Output is correct
2 Correct 12 ms 31576 KB Output is correct
3 Correct 10 ms 31768 KB Output is correct
4 Correct 11 ms 31320 KB Output is correct
5 Correct 12 ms 31744 KB Output is correct
6 Correct 11 ms 31836 KB Output is correct
7 Correct 9 ms 31580 KB Output is correct
8 Correct 10 ms 31576 KB Output is correct
9 Correct 11 ms 31576 KB Output is correct
10 Correct 14 ms 31832 KB Output is correct
11 Correct 13 ms 31836 KB Output is correct
12 Correct 17 ms 32140 KB Output is correct
13 Correct 18 ms 32092 KB Output is correct
14 Correct 2027 ms 32144 KB Output is correct
15 Execution timed out 4019 ms 32612 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31320 KB Output is correct
2 Correct 12 ms 31576 KB Output is correct
3 Correct 10 ms 31768 KB Output is correct
4 Correct 11 ms 31320 KB Output is correct
5 Correct 12 ms 31744 KB Output is correct
6 Correct 11 ms 31836 KB Output is correct
7 Correct 9 ms 31580 KB Output is correct
8 Correct 10 ms 31576 KB Output is correct
9 Correct 11 ms 31576 KB Output is correct
10 Correct 14 ms 31832 KB Output is correct
11 Correct 13 ms 31836 KB Output is correct
12 Correct 17 ms 32140 KB Output is correct
13 Correct 18 ms 32092 KB Output is correct
14 Correct 2027 ms 32144 KB Output is correct
15 Execution timed out 4019 ms 32612 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #5
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 31320 KB Output is correct
2 Correct 12 ms 31576 KB Output is correct
3 Correct 10 ms 31768 KB Output is correct
4 Correct 11 ms 31320 KB Output is correct
5 Correct 12 ms 31744 KB Output is correct
6 Correct 11 ms 31836 KB Output is correct
7 Correct 9 ms 31580 KB Output is correct
8 Correct 10 ms 31576 KB Output is correct
9 Correct 11 ms 31576 KB Output is correct
10 Correct 14 ms 31832 KB Output is correct
11 Correct 278 ms 51788 KB Output is correct
12 Correct 804 ms 88112 KB Output is correct
13 Correct 518 ms 84964 KB Output is correct
14 Correct 1053 ms 117816 KB Output is correct
15 Correct 1026 ms 119280 KB Output is correct
16 Correct 1503 ms 148824 KB Output is correct
17 Correct 530 ms 85100 KB Output is correct
18 Correct 1285 ms 108796 KB Output is correct
19 Correct 1391 ms 115520 KB Output is correct
20 Correct 886 ms 116340 KB Output is correct
21 Correct 13 ms 31836 KB Output is correct
22 Correct 17 ms 32140 KB Output is correct
23 Correct 18 ms 32092 KB Output is correct
24 Correct 2027 ms 32144 KB Output is correct
25 Execution timed out 4019 ms 32612 KB Time limit exceeded
26 Halted 0 ms 0 KB -