oj.uz

Submission #224406

# Submission time Handle Problem Language Result Execution time Memory
224406 2020-04-17T19:05:52 Z PedroBigMan Birmingham (COCI20_birmingham) C++14
70 / 70
 197 ms 28388 KB 
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <queue>
#include <deque>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=a; i<b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define INF 100000000000000000LL
#define dd double
ll insig;
#define In(vecBRO, LENBRO) REP(IBRO,0,LENBRO) {cin>>insig; vecBRO.pb(insig);}
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}

ll sqr(ll x)
{
    ll hi=x; ll lo=0LL;
    while(hi>lo) 
    {
        ll mid=(lo+hi+1)/2LL;
        if(mid*mid<=x) {lo=mid;}
        else {hi=mid-1LL;}
    }
    return hi;
}

class Graph
{
    public:
    ll N;
    vector<vector<ll> > adj; 
    vector<bool> visited; //for DFS/BFS
    
    Graph(vector<vector<ll> > ad)
    {
        adj=ad; N=adj.size(); REP(i,0,N) {visited.pb(false);}
    }
    
    vector<ll> BFS(ll s)
    {
        vector<ll> distance; REP(i,0,N) {distance.pb(INF);}
        REP(i,0,N) {visited[i]=false;}
        distance[s]=0; visited[s]=true;
        deque<ll> d; d.pb(s); ll cur;
        while(!d.empty())
        {
            cur=d.front(); d.pop_front();
            REP(i,0,adj[cur].size())
            {
                if(!visited[adj[cur][i]]) 
                {
                    visited[adj[cur][i]]=true; 
                    d.pb(adj[cur][i]); 
                    distance[adj[cur][i]]=distance[cur]+1;
                }
            }
        }
        return distance;
    }
};

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    ll N,M,Q,K; cin>>N>>M>>Q>>K;
    vector<ll> q; In(q,Q); REP(i,0,Q) {q[i]--;}
    vector<ll> xx; vector<vector<ll> > adj; REP(i,0,N) {adj.pb(xx);}
    pl cur;
    REP(i,0,M)
    {
        cin>>cur.ff>>cur.ss; cur.ff--; cur.ss--;
        adj[cur.ff].pb(cur.ss); adj[cur.ss].pb(cur.ff);
    }
    REP(i,1,q.size())
    {
        REP(j,0,adj[q[i]].size()) {adj[q[0]].pb(adj[q[i]][j]);}
    }
    Graph G(adj);
    vector<ll> d=G.BFS(q[0]);
    vector<ll> ans; REP(i,0,N) {ans.pb(0LL);}
    REP(i,0,N)
    {
        ans[i]= ceil((- (dd) K + (dd) sqrt((dd) (K*K+8*K*d[i])))/(dd) (2LL*K));
    }
    REP(i,0,q.size()) {ans[q[i]]=0LL;}
    REP(i,0,N) {cout<<ans[i]<<" ";}
    cout<<endl;
    return 0;
}

Compilation message

birmingham.cpp: In function 'void Out(std::vector<long long int>)':
birmingham.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
birmingham.cpp:24:29:
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                             ~~~~~~~~~~~~
birmingham.cpp:24:25: note: in expansion of macro 'REP'
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                         ^~~
birmingham.cpp: In member function 'std::vector<long long int> Graph::BFS(ll)':
birmingham.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
birmingham.cpp:59:17:
             REP(i,0,adj[cur].size())
                 ~~~~~~~~~~~~~~~~~~~
birmingham.cpp:59:13: note: in expansion of macro 'REP'
             REP(i,0,adj[cur].size())
             ^~~
birmingham.cpp: In function 'int main()':
birmingham.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
birmingham.cpp:86:9:
     REP(i,1,q.size())
         ~~~~~~~~~~~~             
birmingham.cpp:86:5: note: in expansion of macro 'REP'
     REP(i,1,q.size())
     ^~~
birmingham.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
birmingham.cpp:88:13:
         REP(j,0,adj[q[i]].size()) {adj[q[0]].pb(adj[q[i]][j]);}
             ~~~~~~~~~~~~~~~~~~~~ 
birmingham.cpp:88:9: note: in expansion of macro 'REP'
         REP(j,0,adj[q[i]].size()) {adj[q[0]].pb(adj[q[i]][j]);}
         ^~~
birmingham.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
birmingham.cpp:97:9:
     REP(i,0,q.size()) {ans[q[i]]=0LL;}
         ~~~~~~~~~~~~             
birmingham.cpp:97:5: note: in expansion of macro 'REP'
     REP(i,0,q.size()) {ans[q[i]]=0LL;}
     ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 384 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 20868 KB Output is correct
2 Correct 150 ms 21728 KB Output is correct
3 Correct 150 ms 26472 KB Output is correct
4 Correct 120 ms 19904 KB Output is correct
5 Correct 122 ms 20320 KB Output is correct
6 Correct 150 ms 28388 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 138 ms 21732 KB Output is correct
2 Correct 138 ms 21348 KB Output is correct
3 Correct 142 ms 24616 KB Output is correct
4 Correct 153 ms 21916 KB Output is correct
5 Correct 132 ms 21348 KB Output is correct
6 Correct 170 ms 26216 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 139 ms 20964 KB Output is correct
2 Correct 155 ms 21856 KB Output is correct
3 Correct 148 ms 25828 KB Output is correct
4 Correct 187 ms 21856 KB Output is correct
5 Correct 129 ms 20580 KB Output is correct
6 Correct 197 ms 26216 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 181 ms 20196 KB Output is correct
2 Correct 133 ms 21220 KB Output is correct
3 Correct 148 ms 24588 KB Output is correct
4 Correct 127 ms 20704 KB Output is correct
5 Correct 117 ms 20068 KB Output is correct
6 Correct 130 ms 26088 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 126 ms 20236 KB Output is correct
2 Correct 139 ms 20836 KB Output is correct
3 Correct 138 ms 23020 KB Output is correct
4 Correct 126 ms 20580 KB Output is correct
5 Correct 137 ms 20836 KB Output is correct
6 Correct 129 ms 25568 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 20320 KB Output is correct
2 Correct 134 ms 20964 KB Output is correct
3 Correct 132 ms 24116 KB Output is correct
4 Correct 140 ms 21344 KB Output is correct
5 Correct 139 ms 20580 KB Output is correct
6 Correct 160 ms 26428 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 165 ms 20584 KB Output is correct
2 Correct 117 ms 19936 KB Output is correct
3 Correct 151 ms 25448 KB Output is correct
4 Correct 126 ms 20560 KB Output is correct
5 Correct 129 ms 20964 KB Output is correct
6 Correct 147 ms 28252 KB Output is correct