oj.uz

Submission #412277

# Submission time Handle Problem Language Result Execution time Memory
412277 2021-05-26T16:30:52 Z Carmel_Ab1 Swapping Cities (APIO20_swap) C++17
7 / 100
 193 ms 21124 KB 
#include<bits/stdc++.h>
#include "swap.h"

//#include "grader.cpp"

using namespace std;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int>vi;
typedef vector<vector<int>>vvi;
typedef vector<ll>vl;
typedef vector<vl> vvl;
typedef pair<int,int>pi;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld,ld> pld;
//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T> ostream& operator<<(ostream& os, vector<T>& a){os<<"[";for(int i=0; i<ll(a.size()); i++){os << a[i] << ((i!=ll(a.size()-1)?" ":""));}os << "]\n"; return os;}

#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map


vector<vector<pi>> g;
vector<bool>vis;
int mx=-1;

bool cyc=1;
vvi E;

void init(int n, int M,vi U,vi V,vi W){
    g.resize(n);
    vis.resize(n);
    mx=*max_element(all(W))+1;

    for(int i=0; i<M; i++){
        g[U[i]].pb({V[i],W[i]});
        g[V[i]].pb({U[i],W[i]});
        E.pb({W[i],min(U[i],V[i]),max(U[i],V[i])});
    }
    sort(all(E));
    for(int i=0; i<n; i++)
        cyc&=g[i].size()==2;
}

bool ans;
void dfs(int src,int par,int w){
    vis[src]=1;
    int cnt=0;
    for(pi nbr:g[src])
        if(nbr.second<=w)
            cnt++;
    if(cnt>2)
        ans=1;
    for(pi nbr:g[src]) {
        if(nbr.first==par || nbr.second>w)continue;
        if(vis[nbr.first])ans=1;
        else dfs(nbr.first,src,w);
    }
}
bool ok(int x,int y,int w){
    int n=g.size();
    for(int i=0; i<n; i++)
        vis[i]=false;
    ans=0;
    dfs(x,-1,w);
    if(!vis[y])return 0;
    return ans;

}

int getMinimumFuelCapacity(int X, int Y){
    if(X>Y)swap(X,Y);
    int n=g.size();
    if(n<=3)return -1;

    if(X==0){
        if(E[0][2]==Y || E[1][2]==Y)
            return E[2][0];
        else return g[Y][0].second;
    }
    else{
        if(E[0][2]==X && E[1][2]==Y)
            return E[2][0];
        else if(E[0][2]==Y && E[1][2]==X)
            return E[2][0];
        else
            return max(g[X][0].second,g[Y][0].second);
    }
    return -1;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 145 ms 16588 KB Output is correct
4 Correct 159 ms 17188 KB Output is correct
5 Correct 152 ms 16976 KB Output is correct
6 Correct 154 ms 20956 KB Output is correct
7 Correct 154 ms 21124 KB Output is correct
8 Correct 150 ms 20408 KB Output is correct
9 Correct 193 ms 20816 KB Output is correct
10 Correct 150 ms 20272 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 332 KB Output isn't correct
5 Halted 0 ms 0 KB -