# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
573186 | 2022-06-06T08:34:33 Z | Sho10 | Saveit (IOI10_saveit) | C++17 | 0 ms | 0 KB |
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho #include "grader.h" #include "encoder.h" using ll=long long; using ld=long double; int const INF=1000000005; ll const LINF=1000000000000000005; ll const mod=6700417; ld const PI=3.14159265359; ll const MAX_N=3e5+5; ld const EPS=0.00000001; #pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #define f first #define s second #define pb push_back #define mp make_pair #define endl '\n' #define sz(a) (int)a.size() #define CODE_START ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); using namespace std; vector<ll>g[1005]; ll d[1005],ans[1005][1005]; string calc(ll x){ string res=""; for(ll i=0;i<30;i++) { if((1ll<<i)&x){ res+='1'; }else res+='0'; } reverse(res.begin(),res.end()); return res; } void encode(int n, int h, int m, int *v1, int *v2){ for(ll i=0;i<m;i++) { g[v1[i]].pb(v2[i]); g[v2[i]].pb(v1[i]); } for(ll i=0;i<h;i++) { for(ll j=0;j<=n;j++) { d[j]=LINF; } queue<ll>q; q.push(i); d[i]=0; while(!q.empty()){ ll x=q.front(); ans[i][x]=d[x]; q.pop(); for(auto it : g[x]){ if(d[it]==LINF){ d[it]=d[x]+1; q.push(it); } } } } for(ll i=0;i<h;i++) { for(ll j=0;j<n;j++) { string s=calc(j); string s1=calc(ans[i][j]); while(s.size()<10){ s=" "+s; } while(s1.size()<10){ s1=" "+s1; } for(auto it : s){ encode_bit(it-'0'); } for(auto it : s1){ encode_bit(it-'0'); } } } }