Submission #412263

# Submission time Handle Problem Language Result Execution time Memory
412263 2021-05-26T16:16:09 Z Carmel_Ab1 Swapping Cities (APIO20_swap) C++17
6 / 100
129 ms 15660 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;

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]});
        
    }
    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(!cyc)return -1;
    else return mx-1;
}
# 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 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 41 ms 6416 KB Output is correct
10 Correct 49 ms 7804 KB Output is correct
11 Correct 55 ms 7640 KB Output is correct
12 Correct 75 ms 8124 KB Output is correct
13 Correct 66 ms 8124 KB Output is correct
14 Correct 47 ms 6472 KB Output is correct
15 Correct 112 ms 14000 KB Output is correct
16 Correct 118 ms 13724 KB Output is correct
17 Correct 121 ms 14252 KB Output is correct
18 Correct 115 ms 14216 KB Output is correct
19 Correct 64 ms 6980 KB Output is correct
20 Correct 112 ms 14916 KB Output is correct
21 Correct 126 ms 15036 KB Output is correct
22 Correct 129 ms 15660 KB Output is correct
23 Correct 127 ms 15644 KB Output is correct
# 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 Incorrect 102 ms 10140 KB Output isn't correct
4 Halted 0 ms 0 KB -
# 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 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Incorrect 1 ms 204 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
# 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 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 41 ms 6416 KB Output is correct
10 Correct 49 ms 7804 KB Output is correct
11 Correct 55 ms 7640 KB Output is correct
12 Correct 75 ms 8124 KB Output is correct
13 Correct 66 ms 8124 KB Output is correct
14 Correct 47 ms 6472 KB Output is correct
15 Correct 112 ms 14000 KB Output is correct
16 Correct 118 ms 13724 KB Output is correct
17 Correct 121 ms 14252 KB Output is correct
18 Correct 115 ms 14216 KB Output is correct
19 Incorrect 102 ms 10140 KB Output isn't correct
20 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct